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JOURNAL PAPERS (2014 - now)
Preprints (7 papers) 819. N. Casilli, S. Kim, H. M. E. Hussein, R. Tetro, L. Colombo, M. Rinaldi, P. X. L. Feng, A. Alù, and C. Cassella, “Ising Dynamics for Programmable Threshold Sensing in Wireless Devices,” under review, since June 2024. (R2) 818. A. Momeni, B. Rahmani, C. Zhang, L. G. Wright, F. Morichetti, R. Fleury, A. Sebastian, P. L. Mc Mahon, C. Moser, S. Gigan, A. Ozcan, D. Psaltis, D. A. B. Miller, A. Alù, and S. Fan, “In-Hardware Training,” under review, since June 2024. (arxiv) 817. L. Qu, W. Wu, D. Zhang, C. Wang, L. Bai, C. Li, W. Cai, M. Ren, A. Alù, and J. Xu, “Beam Shaping by Nonlinear Moiré Metasurfaces,” under review, since May 2024. (arxiv) 816. L. Chen, A. Li, J. Wang, and A. Alù, “Multi-State Chiral Switching Through Adiabaticity Control in Encircling Exceptional Points,” under review, since January 2024. (arxiv) 815. M. Cotrufo, S. Esfahani, D. Korobkin, A. Alù, “Temporal Signal Processing with Nonlocal Optical Metasurfaces,” under review, since March 2024. (arxiv) 814. A. Overvig, Y. Kasahara, G. Xu, and A. Alù, “Demonstration of a Polarization-Agnostic Geometric Phase in Nonlocal Metasurfaces,” under review, since February 2023. (arxiv) 813. O. Hemmatyar, S. Abdollahra Mezani, A. Krasnok, S. Lepeshov, T. Brown, A. Alù, and A. Adibi, “Advanced Phase-Change Materials for Enhanced Meta-Displays,” under review, since May 2021. (arxiv, arxiv2) In press (9 papers) 812. S. Esfahani, M. Cotrufo, and A. Alù, “Space-Time Nonlocal Metasurfaces for Event-Based Image Processing,” Physical Review Letters, in press. (arxiv) 811. H. Goh, A. Krasnok, and A. Alù, “Nonreciprocal Scattering and Unidirectional Cloaking in Nonlinear Nanoantennas,” Nanophotonics, Special Issue on Nonlinear Nanophotonics, in press, (invited paper). 810. J. R. Nolen, A. C. Overvig, M. Cotrufo, and A. Alù, “Arbitrarily Polarized and Unidirectional Emission from Thermal Metasurfaces,” Nature Nanotechnology, in press. (arxiv) 809. K. Wang, S. Zhao, C. Shen, L. Shi, H. Zou, J. Lu, and A. Alù, “Broadband Acoustic Absorbers Beyond the Causality LimitDevice, in press. 808. K. Chen-Hu, R. J. Williams, A. Alù, and P. Popovski, “Frequency Shifter-RIS Assisted Standalone Mm-Wave Cellular Networks,” IEEE Transactions on Wireless Communications, in press. (web) 807. Y. Radi, N. Nefedkin, P. Popovski, and A. Alù, “Active, Nonlinear, Time-Varying Metasurfaces for 6G Wireless Communications,” IEEE Antennas and Propagation Magazine, in press. (web) 806. T. J. Cui, S. Zhang, A. Alù, M. Wegener, and J. Pendry, “Introduction to Roadmap on Electromagnetic Metamaterials and Metasurfaces,” in T. J. Cui, S. Zhang, A. Alù, M. Wegener, J. Pendry, J. Luo, Y. Lai, Z. Wang, X. Lin, H. Chen, P. Chen, R. X. Wu, Y. Yin, P. Zhao, H. Chen, Y. Li, Z. Zhou, N. Engheta, V. Asadchy, C. Simovski, S. Tretyakov, B. Yang, S. D. Campbell, Y. Hao, D. H. Werner, S. Sun, L. Zhou, S. Xu, H. B. Sun, Z. Zhou, Z. Li, G. Zheng, X. Chen, T. Li, S. Zhu, J. Zhou, J. Zhao, Z. Liu, Y. Zhang, Q. Zhang, M. Gu, S. Xiao, Y. Liu, X. Zhang, Y. Tang, G Li, T. Zentgraf, K. Koshelev, Y. Kivshar, X. Li, T. Badloe, L. Huang, J. Rho, S. Wang, D. P. Tsai, A. Y. Bykov, A. V. Krasavin, A. V. Zayats, C. McDonnell, T. Ellenbogen, X. Luo, M. Pu, F. J. Garcia-Vidal, L. Liu, Z. Li, W. Tang, H. F. Ma, J. Zhang, Y. Luo, X. Zhang, H. C. Zhang, P. H. He, L. P. Zhang, X. Wan, H. Wu, S. Liu, W. X. Jiang, X. G. Zhang, C. W. Qiu, Q. Ma, C. Liu, L. Li, J. Han, L. Li, M. Cotrufo, C. Caloz, Z. L. Deck-Léger, A. Bahrami, O. Céspedes, E. Galiffi, P. A. Huidobro, Q. Cheng, J. Y. Dai, J. C. Ke, L. Zhang, V. Galdi, and M. Di Renzo, “Roadmap on Electromagnetic Metamaterials and Metasurfaces,” Journal of Physics: Photonics, in press, (invited paper). (web) 805. E. Galiffi, A. Alù., J. B. Pendry, and P. A. Huidobro, “Time-Modulated Metamaterials,” in T. J. Cui, S. Zhang, A. Alù, M. Wegener, J. Pendry, J. Luo, Y. Lai, Z. Wang, X. Lin, H. Chen, P. Chen, R. X. Wu, Y. Yin, P. Zhao, H. Chen, Y. Li, Z. Zhou, N. Engheta, V. Asadchy, C. Simovski, S. Tretyakov, B. Yang, S. D. Campbell, Y. Hao, D. H. Werner, S. Sun, L. Zhou, S. Xu, H. B. Sun, Z. Zhou, Z. Li, G. Zheng, X. Chen, T. Li, S. Zhu, J. Zhou, J. Zhao, Z. Liu, Y. Zhang, Q. Zhang, M. Gu, S. Xiao, Y. Liu, X. Zhang, Y. Tang, G Li, T. Zentgraf, K. Koshelev, Y. Kivshar, X. Li, T. Badloe, L. Huang, J. Rho, S. Wang, D. P. Tsai, A. Y. Bykov, A. V. Krasavin, A. V. Zayats, C. McDonnell, T. Ellenbogen, X. Luo, M. Pu, F. J. Garcia- Vidal, L. Liu, Z. Li, W. Tang, H. F. Ma, J. Zhang, Y. Luo, X. Zhang, H. C. Zhang, P. H. He, L. P. Zhang, X. Wan, H. Wu, S. Liu, W. X. Jiang, X. G. Zhang, C. W. Qiu, Q. Ma, C. Liu, L. Li, J. Han, L. Li, M. Cotrufo, C. Caloz, Z. L. Deck-Léger, A. Bahrami, O. Céspedes, E. Galiffi, P. A. Huidobro, Q. Cheng, J. Y. Dai, J. C. Ke, L. Zhang, V. Galdi, and M. Di Renzo, “Roadmap on Electromagnetic Metamaterials and Metasurfaces,” Journal of Physics: Photonics, in press, (invited paper). (web) 804. M. Cotrufo, and A. Alù, “Nonlinearity-Induced Nonreciprocal Metamaterials,” in T. J. Cui, S. Zhang, A. Alù, M. Wegener, J. Pendry, J. Luo, Y. Lai, Z. Wang, X. Lin, H. Chen, P. Chen, R. X. Wu, Y. Yin, P. Zhao, H. Chen, Y. Li, Z. Zhou, N. Engheta, V. Asadchy, C. Simovski, S. Tretyakov, B. Yang, S. D. Campbell, Y. Hao, D. H. Werner, S. Sun, L. Zhou, S. Xu, H. B. Sun, Z. Zhou, Z. Li, G. Zheng, X. Chen, T. Li, S. Zhu, J. Zhou, J. Zhao, Z. Liu, Y. Zhang, Q. Zhang, M. Gu, S. Xiao, Y. Liu, X. Zhang, Y. Tang, G Li, T. Zentgraf, K. Koshelev, Y. Kivshar, X. Li, T. Badloe, L. Huang, J. Rho, S. Wang, D. P. Tsai, A. Y. Bykov, A. V. Krasavin, A. V. Zayats, C. McDonnell, T. Ellenbogen, X. Luo, M. Pu, F. J. Garcia- Vidal, L. Liu, Z. Li, W. Tang, H. F. Ma, J. Zhang, Y. Luo, X. Zhang, H. C. Zhang, P. H. He, L. P. Zhang, X. Wan, H. Wu, S. Liu, W. X. Jiang, X. G. Zhang, C. W. Qiu, Q. Ma, C. Liu, L. Li, J. Han, L. Li, M. Cotrufo, C. Caloz, Z. L. Deck-Léger, A. Bahrami, O. Céspedes, E. Galiffi, P. A. Huidobro, Q. Cheng, J. Y. Dai, J. C. Ke, L. Zhang, V. Galdi, and M. Di Renzo, “Roadmap on Electromagnetic Metamaterials and Metasurfaces,” Journal of Physics: Photonics, in press, (invited paper). (web) 2024 (34 papers) 803. M. Cotrufo, J. H. Krakofsky, S. A. Mann, G. Boehm, M. A. Belkin, and A. Alù, “Intersubband Polaritonic Metasurfaces for High-Contrast Ultra-Fast Power Limiting and Optical Switching,” NPJ Nanophotonics, Vol. 1, No. 14 (10 pages), July 1, 2024, (invited paper). (web, arxiv) 802. E. M. Renzi, E. Galiffi, X. Ni, and A. Alù, “Hyperbolic Shear Metasurfaces,” Physical Review Letters, Vol. 132, No. 26, 263803 (6 pages), June 28, 2024. (web, arxiv) [Editor’s Suggestion] 801. A. Alù, “Perspective on Photonic Metasurfaces,” in S. A. Schulz, R. F. Oulton, M. Kenney, A. Alù, I. Staude, A. Bashiri, Z. Fedorova, R. Kolkowski, A. F. Koenderink, X. Xiao, J. Yang, W. J. Peveler, A. W. Clark, G. Perrakis, A. C. Tasolamprou, M. Kafesaki, A. Zaleska, W. Dickson, D. Richards, A. Zayats, H. Ren, Y. Kivshar, S. Maier, X. Chen, M. A. Ansari, Y. Gan, A. Alexeev, T. F. Krauss, A. Di Falco, S. D. Gennaro, T. Santiago-Cruz, I. Brener, M. V. Chekhova, R. M. Ma, V. V. Vogler-Neuling, H. C. Weigand, Ü. L. Talts, I. Occhiodori, R. Grange, M. Rahmani, L. Xu, S. M. Kamali; E. Arababi; A. Faraon, A. C. Harwood, S. Vezzoli, R. Sapienza, P. Lalanne, A. Dmitriev, C. Rockstuhl, A. Sprafke, K. Vynck, J. Upham, M. Z. Alam, I. De Leon, R. W. Boyd, W. J. Padilla, J. M. Malof, A. Jana, Z. Yang, R. Colom, Q. Song, P. Genevet, K. Achouri, A. B. Evlyukhin, U. Lemmer, I. Fernandez-Corbaton, “Roadmap on Photonic Metasurfaces,” Applied Physics Letters, Vol. 124, No. 26, 260701 (4 pages), June 24, 2024 (invited paper). [Cover] (web) 800. F. Gao, Y. G. Peng, X. Xiang, X. Ni, C. Zheng, S. Yves, X. F. Zhu, and A. Alù, “Acoustic Higher-Order Topological Insulators Induced by Orbital- Interactions,” Advanced Materials, Vol. 36, No. 23, 2312421 (8 pages), June 6, 2024. (web) 799. M. Cotrufo, S. B. Sulejman, L. Wesemann, M. A. Rahman, M. Bhaskaran, A. Roberts, and A. Alù, “Reconfigurable Image Processing Metasurfaces with Phase-Change Materials,” Nature Communications, Vol. 15, No. 4483 (10 pages), May 27, 2024. (web, arxiv) [Press release, Photonics Spectra] 798. S. Yves, E. Galiffi, X. Ni, E. M. Renzi, and A. Alù, “Twist-Induced Hyperbolic Shear Metasurfaces,” Physical Review X, Vol. 14, No. 2, 021031 (13 pages), May 24, 2024. (web, arxiv) 797. X. Yang, Z. Zhang, M. Xu, S. Li, Y. Zhang, X. F. Zhu, X. Ouyang, and A. Alù, “Digital Non-Foster-Inspired Electronics for Broadband Impedance Matching,” Nature Communications, Vol. 15, No. 4346 (9 pages), May 21, 2024. (web) 796. M. Cotrufo, and A. Alù, “Metamaterials for Analog All-Optical Computation,” Progress in Optics, Vol. 69, Ch. 5, pp. 211-245, April 25, 2024 (published online on April 9, 2024), (invited paper). (web) 795. A. Farhi, W. Dai, S. Kim, A. Alù, and A. D. Stone, “Efficient General Waveform Catching by a cavity at an Absorbing Exceptional Point,” Physical Review A, Letter, Vol. 109, No. 4, L041502 (7 pages), April 17, 2024. (web, arxiv) [Letter] 794. Y. Paudel, D. J. Chachayma-Farfan, A. Alù, and M. Y. Sfeir, “Metasurface-Enhanced Photochemical Activity in Visible Light Absorbing Semiconductors,” The Journal of Chemical Physics, Special Collection ‘Festschrift in honor of Louis E. Brus’, Vol. 160, No. 14, 144710 (9 pages), April 15, 2024, (invited paper). (web) 793. Y. Kawaguchi, D. Smirnova, F. Komissarenko, S. Kiriushechkina, A. Vakulenko, M. Li, A. Alù, and A. B. Khanikaev, “Pseudo-Spin Switches and Aharonov-Bohm Effect for Topological Boundary Modes,” Science Advances, Vol. 10, No. 15, eadn6095 (9 pages), April 12, 2024. (web) 792. P. A. Deymier, J. O. Vasseur, K. Runge, A. Khanikaev, and A. Alù, “Immunity to Backscattering of Bulk Waves in Topological Acoustic Superlattices,” Crystals, Vol. 14, No. 4, 344 (12 pages), April 3, 2024. (web) 791. H. M. E. Hussein, S. Kim, M. Rinaldi, A. Alù, and C. Cassella, “Passive Frequency Comb Generation at Radiofrequency for Ranging Applications,” Nature Communications, Vol. 15, No. 2844 (9 pages), April 2, 2024. (web) 790. J. Li, W. Liu, H. Xu, Z. Huang, J. Wang, J. Wen, J. Yang, J. Guan, S. Wang, A. Alù, Z. K. Zhou, S. Chen, and L. Chen, “An RGB-Achromatic Aplanatic Metalens,” Laser and Photonics Reviews, Vol. 18, No. 4, 2300729 (8 pages), April 2024 (published online on March 7, 2024). (web) 789. N. Nefedkin, and A. Alù, “Theory and Analysis of Nonreciprocity for Superconducting Qubits Coupled to a Waveguide,” IEEE Transactions on Microwave Theory and TechniquesSpecial Issue on Microwave Quantum Engineering, Vol. 72, No. 4, pp. 2130-2142, April 2024 (published online on February 7, 2024), (invited paper). (web) 788. H. Kwon, and A. Alù, “Actively Mie-Like Resonance for Noninvasive Glucose Detection,” Physical Review Applied, Vol. 21, No. 3, 034060 (8 pages), March 28, 2024. (web) [Physics] 787. J. Hinney, S. Kim, G. J. K. Flatt, I. Datta, A. Alù, and M. Lipson, “Efficient Excitation and Control of Integrated Photonic Circuits with Virtual Critical Coupling,” Nature Communications, Vol. 15, No. 2741 (8 pages), March 28, 2024. (web) 786. A. Alù, “Emerging Concepts: Topological, Non-local, Non-Hermitian, and Spatio-Temporal Metasurfaces,” in A. I. Kuznetsov, M. L. Brongersma, J. Yao, M. K. Chen, U. Levy, D. P. Tsai, N. I. Zheludev, A. Faraon, A. Arbabi, N. Yu, D. Chanda, K. B. Crozier, A. V. Kildishev, H. Wang, J. K. W. Yang, J. G. Valentine, P. Genevet, J. A. Fan, O. D. Miller, A. Majumdar, J. E. Fröch, D. Brady, F. Heide, A. Veeraraghavan, N. Engheta, A. Alù, A. Polman, H. A. Atwater, P. Thureja, R. Paniagua-Dominguez, S. T. Ha, A. I. Barreda, J. A. Schuller, I. Staude, G. Grinblat, Y. Kivshar, S. Peana, S. F. Yelin, A. Senichev, V. M. Shalaev, S. Saha, A. Boltasseva, J. Rho, D. K. Oh, J. Kim, J. Park, R. Devlin, and R. A. Pala, “Roadmap for Optical Metasurfaces,” ACS Photonics, Vol. 11, No. 3, pp. 816-865, March 20, 2024 (published online on February 27, 2024), (invited paper). (web) [Editor’s Choice], 785. N. Engheta, A. Alù, and A. Polman, “Optical Computing with Metasurfaces,” in A. I. Kuznetsov, M. L. Brongersma, J. Yao, M. K. Chen, U. Levy, D. P. Tsai, N. I. Zheludev, A. Faraon, A. Arbabi, N. Yu, D. Chanda, K. B. Crozier, A. V. Kildishev, H. Wang, J. K. W. Yang, J. G. Valentine, P. Genevet, J. A. Fan, O. D. Miller, A. Majumdar, J. E. Fröch, D. Brady, F. Heide, A. Veeraraghavan, N. Engheta, A. Alù, A. Polman, H. A. Atwater, P. Thureja, R. Paniagua-Dominguez, S. T. Ha, A. I. Barreda, J. A. Schuller, I. Staude, G. Grinblat, Y. Kivshar, S. Peana, S. F. Yelin, A. Senichev, V. M. Shalaev, S. Saha, A. Boltasseva, J. Rho, D. K. Oh, J. Kim, J. Park, R. Devlin, and R. A. Pala, “Roadmap for Optical Metasurfaces,” ACS Photonics, Vol. 11, No. 3, pp. 816-865, March 20, 2024 (published online on February 27, 2024), (invited paper). (web) [Editor’s Choice], 784. Z. L. Deng, M. X. Hu, S. Qiu, X. Wu, A. Overvig, X. Li, and A. Alù, “Poincaré Sphere Trajectory Encoding Metasurfaces Based on Generalized Malus’ Law,” Nature Communications, Vol. 15, No. 2380 (8 pages), March 16, 2024. (web) 783. M. Deng, M. Cotrufo, J. Wang, J. Dong, Z. Ruan, A. Alù, and L. Chen, “Broadband Angular Spectrum Differentiation Using Dielectric Metasurfaces,” Nature Communications, Vol. 15, No. 2237 (10 pages), March 12, 2024. (web) 782. X. Shu, Q. Zhong, K. Hong, O. You, J. Wang, G. Hu, A. Alú, S. Zhang, D. N. Christodoulides, and L. Chen, “Chiral Transmission by an Open Evolution Trajectory in a Non- Hermitian System,” Light Science and Applications, Vol. 13, No. 65 (9 pages), March 5, 2024. (web) [Press release] 781. M. Moccia, G. Castaldi, A. Alù, and V. Galdi, “Leaky Waves in Flatland,” Advanced Optical Materials, Special Section: Optical Metamaterials and Information Metamaterials, Vol. 12, No. 6, 2203121 (10 pages), February 23, 2024 (published online on March 30, 2023), (invited paper). (web) 780. W. Liu, Q. Liu, X. Ni, Y. Jia, K. Ziegler, A. Alù, and F. Chen, “Floquet Parity-Time Symmetry in Integrated Photonics,” Nature Communications, Vol. 15, No. 946 (7 pages), January 31, 2024. (web) 779. A. B. Khanikaev, and A. Alù, “Topological Photonics: Robustness and Beyond,” Nature Communications, Vol. 15, No. 931 (3 pages), January 31, 2024, (invited paper). (web) 778. A. Overvig, S. A. Mann, and A. Alù, “Spatio-Temporal Coupled Mode Theory for Nonlocal Metasurfaces,” Light: Science and Applications, Vol. 13, No. 28 (16 pages), January 24, 2024. (web, arxiv) 777. P. A. Deymier, K. Runge, A. Khanikaev, and A. Alù, “Pseudo-Spin Polarized One-Way Elastic Wave Eigenstates in One-Dimensional Phononic Superlattices,” Crystals, Special Issue on Advances and Application of Phononic Crystals, Vol. 14, No. 1, 92 (13 pages), January 19, 2024, (invited paper). (web) 776. H. He, Z. Chen, H. Li, C. H. Tu, J. Xu, and A. Alù, “Evanescent Wave Spectral Singularities in Non-Hermitian Photonics,” Physical Review B (Letter), Vol. 109, No. 4, L041205 (6 pages), January 16, 2024. (web) 775. J. Y. Lee, A. Alù, and L. F. Deravi, “Enabling Rotation Over Electrophoretic Motion in Janus Particles Under Applied Electric Field,” Applied Physics Letters, Vol. 124, No. 2, 024101 (5 pages), January 9, 2024. (web) 774. X. Jiang, S. Yin, H. Li, J. Quan, H. Goh, M. Cotrufo, J. Kullig, J. Wiersig, and A. Alù, “Coherent Control of Chaotic Optical Microcavity with Reflectionless Scattering Modes,” Nature Physics, Vol. 20, No. 1, pp. 109-115, January 2024 (published online on November 2, 2023). (web, arxiv) [Cover, Press release, News and Views, Nature Blog] 773. L. Huang, S. Huang, C. Shen, S. Yves, A. S. Pilipchuk, X. Ni, S. Kim, Y. K. Chiang, D. A. Powell, J. Zhu, Y. Cheng, Y. Li, A. F. Sadreev, A. Alù, and A. E. Miroshnichenko, “Acoustic Resonances in Non-Hermitian Open Systems,” Nature Reviews Physics, Vol. 6, No. 1, pp. 11-27, January 2024  (published online on November 21, 2023). (web) 772. M. Cotrufo, A. Cordaro, D. L. Sounas, A. Polman, and A. Alù, “Passive Bias-Free Nonreciprocal Metasurfaces Based on Thermally Nonlinear Quasi-Bound States in the Continuum,” Nature Photonics, Vol. 18, No. 1, pp. 81-90, January 2024 (published online on November 30, 2023). (web, arxiv) [Press release, News and Views] 771. E. Galiffi, G. Carini, X. Ni, G. Álvarez-Pérez, S. Yves, E. M. Renzi, R. Nolen, S. Waßerroth, M. Wolf, P. Alonso-Gonzalez, A. Paarman, and A. Alù, “Extreme Light Confinement and Control in Low-Symmetry Phonon-Polaritonic Crystals,” Nature Reviews Materials, Vol. 9, No. 1, pp. 9-28, January 2024 (published online on December 13, 2023). (web, arxiv) [Cover] 770. D. De Ceglia, A. Alù, D. Neshev, and C. De Angelis, “Analog Image Processing with Nonlinear Nonlocal Flat Optics,” Optical Materials Express, Vol. 14, No. 1, pp. 92-100, January 2024 (published online on December 7, 2023). (web) [Spotlight in Optics] 2023 (57 papers) 769. Z. Zhou, R. Song, J. Xu, X. Ni, Z. Dang, Z. Zhao, J. Quan, S. Dong, W. Hu, D. Huang, K. Chen, Z. Wang, X. Cheng, M. B. Raschke, A. Alù, and T. Jiang, “Gate-Tuning Hybrid Polaritons in Twisted α-MoO3/Graphene Heterostructures,” Nano Letters, Vol. 23, No. 23, pp. 11252-11259, December 13, 2023 (published online on November 10, 2023). (web) 768. F. Gao, X. Xiang, Y. G. Peng, X. Ni, Q. L. Sun, S. Yves, X. F. Zhu, and A. Alù, “Orbital Topological Edge States and Phase Transitions in One- Dimensional Acoustic Resonator Chains,” Nature Communications, Vol. 14, No. 8162 (8 pages), December 9, 2023. (web) 767. J. Fang, K. Yao, M. Wang, Z. Yu, T. Zhang, T. Jiang, S. Huang, B. A. Korgel, M. Terrones, A. Alù, and Y. Zheng, “Observation of Room- Temperature Exciton-Polariton Emission from Wide-Ranging 2D Semiconductors Coupled with a Broadband Mie Resonator,” Nano Letters, Vol. 23, No. 21, pp. 9803-9810, November 8, 2023 (published online on October 25, 2023). (web) 766. M. Cotrufo, A. Arora, S. Singh, and A. Alù, “Dispersion Engineered Metasurfaces for Broadband, High-NA, High-Efficiency, Dual-Polarization Analog Image Processing,” Nature Communications, Vol. 14, No. 7078 (9 pages), November 4, 2023. (web, arxiv) 765. S. Kim, Y. G. Peng, S. Yves, and A. Alù, “Loss Compensation and Superresolution in Metamaterials with Excitations at Complex Frequencies,” Physical Review X, Vol. 13, No. 4, 041024 (9 pages), November 3, 2023. (web, arxiv) [Physics] 764. E. Galiffi, G. Xu, S. Yin, H. Moussa, Y. Ra’di, and A. Alù, “Broadband Coherent Wave Control Through Photonic Collisions at Time Interfaces,” Nature Physics, Vol. 19, No. 11, pp. 1703-1708, November 2023 (published online on August 14, 2023). (web, SharedIt, arxiv) [Press release, News and Views, IEEE Spectrum] 763. N. Perchikov, Đ. Vujić, B. Bajac, A. Alù, V. Bengin, and N. Janković, “Asymmetric Spoof-Fluid-Spoof Acoustic Waveguide and its Application as a CO¬2 Sensor,” Physical Review Applied, Vol. 20, No. 4, 044047 (16 pages), October 18, 2023. (web, arxiv) 762. Y. T. Wang, H. Goh, S. A. Mann, and A. Alù, “Strong Nonreciprocal Acoustic Extinction and Asymmetric Audibility from Spinning Objects,” Physical Review B, Vol. 108, No. 16, 165129 (5 pages), October 17, 2023. (web) 761 Z. Chen, Z. Li, J. Weng, B. Liang, Y. Lu, J. Cheng, and A. Alù, “Sound Non-Reciprocity Based on Synthetic Magnetism,” Science Bulletin, Vol. 68, No. 19, pp. 2164-2169, October 15, 2023. (web) 760. M. Cotrufo, S. Singh, A. Arora, A. Majewski, and A. Alù, “Polarization Imaging and Edge Detection with Image-Processing Metasurfaces,” Optica, Vol. 10, No. 10, pp. 1331-1338, October 6, 2023. (web, arxiv) 759. M. Barbuto, A. Alù, F. Bilotti, and A. Toscano, “Composite Vortex Manipulation as a Design Tool for Reflective Intelligent Surfaces,” IEEE Antennas and Wireless Propagation Letters, Vol. 22, No. 10, pp. 2392-2396, October 2023 (published online on June 23, 2023). (web) 758. E. Mikheeva, R. Colom, K. Achouri, A. Overvig, F. Binkowski, J. Y. Duboz, S. Cueff, S. Fan, S. Burger, A. Alù, and P. Genevet, “Asymmetric Phase Modulation of Light with Parity-Symmetry Broken Metasurfaces,” Optica, Vol. 10, No. 10, pp. 1287-1294, October 2023 (published online on September 27, 2023). (web, arxiv) 757. A. Khanikaev, and A. Alù, “Acoustic Pseudospins for Wave Control and Topological Protection,” in K. Y. Bliokh, E. Karimi, M. J. Padgett, M. A. Alonso, M. R. Dennis, A. Dudley, A. Forbes, S. Zahedpour, S. W. Hancock, H. M. Milchberg, S. Rotter, F. Nori, S. K. Özdemir, N. Bender, H. Cao, P. B. Corkum, C. Hernández-García, H. Ren, Y. Kivshar, M. G. Silveirinha, N. Engheta, A. Rauschenbeutel, P. Schneeweiss, J. Volz, D. Leykam, D. A. Smirnova, K. Rong, B. Wang, E. Hasman, M. F. Picardi, A. V. Zayats, F. J. Rodríguez- Fortuno, C. Yang, J. Ren, A. B. Khanikaev, A. Alù, E. Brasselet, M. Shats, J. Verbeeck, P. Schattschneider, D. Sarenac, D. G. Cory, D. Pushin, M. Birk, A. Gorlach, I. Kaminer, F. Cardano, L. Marrucci, M. Krenn, and F. Marquardt, “Roadmap on Structured Waves,” Journal of Optics, Vol. 25, No. 10, 103001 (79 pages), August 30, 3023. (web, arxiv) 756. J. Matson, S. Wasserroth, X. Ni, M. Obst, K. Diaz-Granados, G. Carini, E. M. Renzi, E. Galiffi, T. Folland, L. M. Eng, J. M. Klopf, S. Mastel, S. Armster, V. Gambin, M. Wolf, S. C. Kehr, A. Alù, A. Paarmann, and J. D. Caldwell, “Controlling the Propagation Asymmetry of Hyperbolic Shear Polaritons in Beta-Gallium Oxide,” Nature Communications, Vol. 14, No. 5240 (8 pages), August 28, 2023. (web) 755. N. Nefedkin, A. Mekawy, J. Krakofsky, Y. Wang, A. Belyanin, M. Belkin, and A. Alù, “Overcoming Intensity Saturation in Nonlinear Multiple-Quantum-Well Metasurfaces for High-Efficiency Frequency Upconversion,” Advanced Materials, Special Issue on Photonic Nanomaterials, Vol. 35, No. 34, 2106902 (11 pages), August 24, 2023 (published online on November 13, 2021), (invited paper). (web) 754. F. Dirnberger, J. Quan, R. Bushati, G. M. Diederich, M. Florian, J. Klein, K. Mosina, Z. Sofer, X. Xu, A. Kamra, F. J. García-Vidal, A. Alù, and V. M. Menon, “Magneto-Optics in a Van der Waals Magnet Tuned by Self-Hybridized Polaritons,” Nature, Vol. 620, pp. 533-537, August 16, 2023 (erratum published on May 14, 2024). (web, erratum, SharedIt, arxiv, Physics World) 753. A. Vakulenko, S. Kiriushechkina, D. Smirnova, S. Guddala, F. Komissarenko, A. Alù, M. Allen, J. Allen, and A. B. Khanikaev, “Adiabatic Photonic Topological Interfaces,” Nature Communications, Vol. 14, No. 4629 (7 pages), August 2, 2023. (web) 752. V. Chistyakov, V. S. Asadchy, S. Fan, A. Alù, and A. Krasnok, “Tunable Magnetless Optical Isolation with Twisted Weyl Semimetals,” Nanophotonics, Vol. 12, No. 16, pp. 3333- 3340, August 2023 (published online on July 12, 2023). (web, arxiv) 751. T. J. Cui, A. Alù, and J. B. Pendry, “Guest Editorial Special Issue on Metamaterials, Metadevices and Applications,” IEEE Transactions on Microwave Theory and Techniques, Special Issue on Metamaterials, Metadevices and Applications, Vol. 71, No. 8, pp. 3229-3234, August 2023 (published online on August 8, 2023)., (invited paper) (web) 750. S. Yin, E. Galiffi, G. Xu, and A. Alù, “Scattering at Temporal Interfaces: An Overview From an Antennas and Propagation Engineering Perspective,” IEEE Antennas and Propagation Magazine, Special Issue on Time Metamaterials, Vol. 65, No. 4, pp. 21-28, August  2023 (published online on April 10, 2023, (invited paper). (web) 749. A. Alù, “Metamaterials Embrace the Temporal Dimension,” IEEE Antennas and Propagation Magazine, Special Issue on Time Metamaterials, Vol. 65, No. 4, pp. 6-8, August 2023 (published online on August 10, 2023), (invited paper). (web) 748. Y. Ra’di, N. Nefedkin, P. Popovski, and A. Alù, “Metasurfaces for Next-Generation Wireless Communication Systems,” National Science Review, Vol. 10, No. 8, nwad140 (2 pages), August 1, 2023 (published online on May 15, 2023), (invited paper). (web) 747. Y. Zhou, S. Guo, A. Overvig, and A. Alù, “Multi-Resonant Nonlocal Metasurfaces,” Nano Letters, Vol. 23, No. 14, pp. 6768-6775, July 26, 2023 (published online on June 12, 2023). (web) [Cover] 746. J. Liu, Z. Li, B. Liang, J. C. Cheng, and A. Alù, “Remote Water-to-Air Eavesdropping with a Phase-Engineered Impedance Matching Metasurface,” Advanced Materials, Vol. 35, No. 29, 2301799 (7 pages), July 20, 2023 (published online on April 12, 2023). (web, arxiv) 745. G. Xu, A. Overvig, Y. Kasahara, E. Martini, S. Maci and A. Alù, “Arbitrary Aperture Synthesis with Nonlocal Leaky-Wave Metasurface Antennas,” Nature Communications, Vol. 14, No. 4380 (11 pages), July 20, 2023. (web) 744. J. Zhang, M. Xiao, L. Gao, R. Lakes, A. Alù, and F. Wang, “Self-Bridging Metamaterials Surpassing the Theoretical Limit of Poisson’s Ratios,” Nature Communications, Vol. 14, No. 4041 (8 pages), July 7, 2023. (web) 743. A. Li, H. Wei, M. Cotrufo, W. Chen, S. Mann, X. Ni, B. Xu, J. Chen, J. Wang, S. Fan, C. W. Qiu, A. Alù, and L. Chen, “Exceptional Points and Non-Hermitian Photonics at the Nanoscale,” Nature Nanotechnology, Vol. 18, No. 7, pp. 706-720, July 2023 (published online on June 29, 2023). (web) 742. S. Yin, and A. Alù, “Dispersion Braiding and Band Knots in Plasmonic Arrays with Broken Symmetries,” Nanophotonics, Special Issue on Nanophotonics in Support of Ukrainian Scientists, Vol. 12, No. 14, pp. 2963–2971, July 2023 (published online on March 30, 2023), (invited paper). (web) 741. X. Ni, S. Yves, A. Krasnok, and A. Alù, “Topological Metamaterials,” Chemical Reviews, Special Issue on Chemistry of Metamaterials, Vol. 123, No. 12, pp. 7585-7654, June 28, 2023 (published online on May 24, 2023), (invited paper). (web, arxiv) 740. N. C. Passler, X. Ni, G. Carini, D. N. Chigrin, A. Alù, and A. Paarmann, “Layer-Resolved Resonance Intensity of Evanescent Polariton Modes in Anisotropic Multilayers,” Physical Review B, Vol. 107, No. 23, 235426 (8 pages), June 27, 2023. (web) 739. J. Ferdous, C. Yuce, A. Alù, and H. Ramezani, “Observation of Robust Zero Energy Extended States,” Physical Review Applied, Vol. 19, No. 6, L061002, June 23, 2023. (web, arxiv) [Letter] 738. S. B. Chand, J. M. Woods, J. Quan, E. Mejia, T. Taniguchi, K. Watanabe, A. Alù, and G. Grosso, “Interaction-Driven Transport of Dark Excitons in 2D Semiconductors with Phonon-Mediated Readout,” Nature Communications, Vol. 14, No. 3712 (9 pages), June 22, 2023. (web, arxiv) 737. M. Moccia, G. Castaldi, A. Alù, and V. Galdi, “Ghost Line Waves,” ACS Photonics, Vol. 10, No. 6, pp. 1866-1872, June 21, 2023 (published online on June 1, 2023). (web, arxiv) 736. A. C. Overvig, M. Cotrufo, M. Markowitz, Y. Zhou, B. Hao, K. Stensvad, C. Schardt, and A. Alù, “Zone-Folded Quasi-bound State Metasurfaces with Customized, Symmetry-Protected Energy-Momentum Relations,” ACS Photonics, Vol. 10, No. 6, pp. 1832-1840, June 21, 2023 (published online on May 9, 2023). [Cover] (web) 735. H. Moussa, G. Xu, S. Yin, E. Galiffi, Y. Ra’di, and A. 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Jankovic, “Observation of Topological Features Around Scattering Matrix Singularities,” Laser and Photonics Reviews, Vol. 17, No. 6, 2200308 (11 pages), June 1, 2023 (published online on March 17, 2023). (web, arxiv) 731. G. Labate, F. Monticone, and A. Alù, “Generalized Surface Admittance Equivalence Principle for Super-Scattering in Dielectric Particles,” Opticsl Letters, Vol. 48, No. 11, pp. 3115-3118, June 1, 2023 (published online on May 15, 2023). (web) 730. H. Moussa, M. Cotrufo, and A. Alù, “Controllable Transmission Switch Based on Asymmetric Coupled Nonlinear Resonances,” Physical Review Applied, Vol. 19, No. 6, 064002 (7 pages), June 1, 2023. (web) 729. X. Ni, G. Carini, W. Ma, E. M. Renzi, E. Galiffi, S. Wasserroth, M. Wolf, P. Li, A. Paarmann, and A. Alù, “Observation of Directional Leaky Polaritons at Anisotropic Crystal Interfaces,” Nature Communications, Vol. 14, No. 2845 (9 pages), May 18, 2023. (web) 728. A. Alù, and A. Salandrino,“2022 Optical Materials Express Emerging Researcher Best Paper Prize: Editorial,” Optical Materials Express, Vol. 13, No. 6, pp. 1596-1597, May 11, 2023, (invited paper). (web) 727. S. K. Esfahani, A. Abdipour, G. Moradi, A. N. Askarpour, and A. Alù, “Displacement Current Sources as Nonlinear Interactions in Optical Nanocircuits,” Journal of Optics, Vol. 25, No. 6, 065502 (10 pages), May 11, 2023 (published online on May 3,2023). (web) 726. M. Pascale, S. A. Mann, D. C. Tzarouchis, G. Miano, A. Alù, and C. Forestiere, “Lower Bounds to the Q Factor of Electrically Small Radiators through Quasistatic Modal Expansion,”IEEE Transactions on Antennas and Propagation, Vol. 71, No. 5, pp. 4350-4361, May 2023 (published online on February 28, 2023). (web, arxiv) 725. S. A. Mann, H. Goh, and A. Alù, “Inverse Design of Nonlinear Polaritonic Metasurfaces for Second Harmonic Generation,” ACS Photonics, Special Issue on Optimized Photonics and Inverse Design, Vol. 10, No. 4, pp. 993-1000, April 19, 2023 (published online on January 23, 2023), (invited paper). (web) [Cover] 724. A. Cordaro, B. Edwards, V. Nikkhah, A. Alù, N. Engheta, and A. Polman, “Solving Integral Equations in Free-Space with Inverse-Designed Ultrathin Optical Metagratings,” Nature Nanotechnology, Vol. 18, pp. 365-372, April 1, 2023 (published online on January 12, 2023). (web, arxiv) {Cover] 723. J. Klein, B. Pingault, M. Florian, M. C. Heißenbüttel, A. Steinhoff, Z. Song, K. Torres, F. Dirnberger, J. B. Curtis, M. Welle, A. Penn, T. Deilmann, R. Dana, R. Bushati, J. Quan, J. Luxa, Z. Sofer, A. Alù, V. M. Menon, U. Wurstbauer, M. Rohlfing, P. Narang, M. Lončar, and F. M. 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Alù, “Tarnkappen für Licht und Schall,” Spektrum der Wissenschaft, Vol. 3.23, March 1, 2023, (invited paper). (web) 718. N. Nefedkin, M. Cotrufo, and A. Alù, “Nonreciprocal Total Cross Section of Quantum Metasurfaces,” Nanophotonics, Special Issue on Quantum Nanophotonics, Vol. 12, No. 3, pp. 589-606, February 10, 2023 (published online on January 9, 2023), (invited paper). (web, arxiv) 717. A. Alù, “Ces Matériaux Qui Domptent les Ondes,” Pour la Science, Vol. 544, pp. 54-63, February 1, 2023 (published online on January 23, 2023), (invited paper). (web) 716. A. Alù, “New Topic Categories for Optical Materials Express: Editorial,” Optical Materials Express, Vol. 13, No. 2, pp. 434-435, January 17, 2023. (web) 715. J. Klein, Z. Song, B. Pingault, F. Dirnberger, H. Chi, J. B. Curtis, R. Dana, R. Bushati, J. Quan, L. Dekanovsky, Z. Sofer, A. Alù, V. M. Menon, J. S. Moodera, M. Loncar, P. Narang, and F. M. 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Gu, “Graphene Absorption Enhanced by Quasi-Bound- State-in-Continuum in Long-Wavelength Plasmonic-Photonic System,” Advanced Optical Materials, Vol. 10, No. 23, 2201193 (6 pages), December 5, 2022 (published online on September 7, 2022). (web) 710. R. Tirole, E. Galiffi, J. Dranczewski, T. Attavar, B. Tilmann, Y. T. Wang, P. Arroyo-Huidobro, A. Alù, J. B. Pendry, S. A. Maier, S. Vezzoli, and R. Sapienza, “Saturable Time-Varying Mirror Based on an Epsilon-Near-Zero Material,Physical Review Applied, Vol. 18, No. 05, 054067 (7 pages), November 21, 2022. (web, arxiv) 709. S. Yves, X. Ni, and A. Alù, “Topological Sound in Two Dimensions,” Annals of the New York Academy of Sciences, Vol. 1517, No. 1, pp. 63-77, November 17, 2022 (published online on September 7, 2022), (invited paper). (web) 708. S. Y. Cho, J. Sun, A. Overvig, A. Alù, and W. 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Abate, Reconfigurable Hyperbolic Polaritonics with Correlated Oxide Metasurfaces,” Nature Communications, Vol. 13, No. 4511 (9 pages), August 3, 2022. (web, arxiv) 692. S. C. Malek, A. C. Overvig, A. Alù, and N. Yu, “Multifunctional Resonant Wavefront-Shaping Meta-Optics Based on Multilayer and Multi- Perturbation Nonlocal Metasurfaces,” Light, Vol. 11, No, 246 (13 pages), August 3, 2022. (web, arxiv) 691. A. Overvig, and A. Alù, “Diffractive Nonlocal Metasurfaces,” Laser and Photonics Reviews, Special Issue 15th Anniversary Laser and Photonics  Reviews, Vol. 16, No. 8, 2100633 (16 pages), August 1, 2022 (published online on July 3, 2022), (invited paper). (web) [Cover] [Top Cited Article] 690. Q. Zhang, Q. Ou, G. Si, G. Hu, S. Dong, Y. Chen, J. Ni, C. Zhao, M. S. Fuhrer, Y. Yang, A. Alù, R. Hillenbrand, and C. W. Qiu, Unidirectional Excited Phonon Polaritons in High-Symmetry Orthorhombic Crystals,” Science Advances, Vol. 8, No. 30, eabn9774 (8 pages), July 29, 2022. (web) 689. M. Wang, G. Hu, S. Chand, M. Cotrufo, Y. Abate, K. Watanabe, T. Taniguchi, G. Grosso, C. W. Qiu, and A. Alù, “Spin-Orbit-Locked Hyperbolic Polariton Vortices Carrying Reconfigurable Topological Charges,” E-Light, Vol. 2, No. 12 (11 pages), July 18, 2022. (web) [Cover, Press release] 688. T. Shi, Z. L. Deng, G. Geng, X. Zeng, Y. Zeng, G. Hu, A. Overvig, J. Li, C. W. Qiu, A. Alù, Y. S. Kivshar, and X. Li, “Planar Chiral Metasurfaces With Maximal Tunable Chiroptical Response Driven by Bound States in the Continuum,” Nature Communications, Vol. 13, No. 4111 (8 pages), July 15, 2022. (web, arxiv) 687. J. Shin, Y. Ryu, M. A. Miri, S. B. Shim, H. Choi, A. Alù, J. Suh, and J. Cha, “On-Chip Microwave Frequency Combs in a Superconducting Nanoelectromechanical Device,Nano Letters, Vol. 22, No. 13, pp. 5459-5465, July 13, 2022 (published online on June 16, 2022). (web) 686. Y. W. Tsai, Y. T. Wang, E. Galiffi, A. Alù, and T. J. Yen, “Surface-Wave Coupling in Double Floquet Sheets Supporting Phased Temporal Wood Anomalies,” Nanophotonics, Vol. 11, No. 15, pp. 3509-3517, July 11, 2022. (web, arxiv 685. A. Alù, “Nonlinear Topological Photonics,” Journal of Physics: Photonics, in H. Price, Y. Chong, A. Khanikaev, H. Schomerus, L. J. Maczewsky, M. Kremer, M. Heinrich, A. Szameit, O. Zilberberg, Y. Yang, B. Zhang, A. Alù, R. Thomale, I. Carusotto, P. St-Jean, A. Amo, A. Dutt, L. Yuan, S. Fan, X. Yin, C. Peng, T. Ozawa, and A. Blanco-Redondo, “Roadmap on Topological Photonics,” Vol. 4, No. 3, 032501 (45 pages), July 1, 2022 (published online on January 25, 2022), (invited paper). (web, arxiv) 684. I. Liberal, A. Alù, and N. Engheta, “Zero-Index Metamaterials for Classical and Quantum Light,” Applied Physics Letters, Speical Cluster on Zero-Index Metamaterials, Vol. 120, 260401 (2 pages), July 1, 2022, (invited paper). (web) 683. F. B. Arango, F. Alpeggiani, D. Conteduca, A. Opheij, A. Chen, M. I. Abdelrahman, T. Krauss, A. Alù, F. Monticone, and L. Kuipers, “Cloaked Near-Field Probe for Non-Invasive Near-Field Optical Microscopy,” Optica, Vol. 9, No. 7, pp. 684-691, June 21, 2022. (web, arxiv). 682. R. E. Jacobsen, A. Krasnok, S. Arslanagić, A. V. Lavrinenko, and A. Alù, “Boundary-Induced Embedded Eigenstates in a Single Resonator for  Advanced Sensing,” ACS Photonics, Vol. 9, No. 6, pp. 1936-1943, June 15, 2022 (published online on April 8, 2022). (web, arxiv) [Cover 681. Z. L. Deng, F. J. LI, H. Li, X. Li, and A. Alù, “Extreme Diffraction Control in Metagratings Leveraging Bound States in the Continuum and Exceptional Points,” Laser and Photonics Reviews, Special Issue for the 15th Anniversary, Vol. 16, No. 6, 2100617 (6 pages), June 2022  (published online on March 6, 2022). (web, arxiv) 680. A. Nagulu, X. Ni, A. Kord, M. Tymchenko, S. Garikapati, A. Alù, and H. Krishnaswamy, “Chip-Scale Floquet Topological Insulators for 5G Wireless Systems,” Nature Electronics, Vol. 5, pp. 300-309, May 24, 2022 (published online on May 2, 2022). (web, RedCube) [Press Release, IEEE Spectrum, Phys.org] 679. M. Markowitz, M. Cotrufo, Y. Zhou, K. Stensvad, C. Schardt, A. Overvig, and A. Alù, “Tailored Resonant Waveguide Gratings for Augmented Reality,” Optics Express, Vol. 30, No. 12, pp. 20469-20481, May 24, 2022. (web) 678. Y. G. Peng, Y. Mazor, and A. Alù, “Fundamentals of Acoustic Willis Media,” Wave Motion, Special Issue on Willis Materials, Vol. 112, 102930 (10 pages), May 24, 2022 (published online on May 6, 2022), (invited paper). (web, ShareLink) 677. C. L. Holloway, N. Prajapati, A. B. Artusio-Glimpse, S. Breweger, M. T. Simons, Y. Kasahara, A. Alù, and R. W. Ziolkowski, “Rydberg Atom- Based Field Sensing Enhancement Using a Split-Ring Resonator,” Applied Physics Letters, Vol. 120, 204001 (6 pages), May 20, 2022. (arxiv) [Press release] 676. S. Yin, E. Galiffi, and A. Alù, “Floquet Metamaterials,” E-Light, Vol. 2, No. 8 (13 pages), May 19, 2022, (invited paper). (web, RedCube) [Nanowerk, News and Views, Annual Award of E-Light] 675. R. Duggan, S. Mann, and A. Alù, “Limitations of Sensing at an Exceptional Point,” ACS Photonics, Vol. 9, No. 5, pp. 1554–1566, May 18, 2022 (published online on April 22, 2022). (web) 674. S. Yves, M. I. N. Rosa, Y. Guo, M. Gupta, M. Ruzzene, and A. Alù, “Moiré-Driven Topological Transitions and Extreme Anisotropy in Elastic Metasurfaces,” Advanced Science, Vol. 9, No. 13, 2200181 (8 pages), May 5, 2022 (published online on March 6, 2022). (web) [Wired] 673. H. Li, S. Yin, and A. Alù, “Nonreciprocity and Faraday Rotation at Time Interfaces,” Physical Review Letters, Vol. 128, No. 17, 173901 (7 pages), April 29, 2022. (web) 672. A. Alù, and J. Hu, “2021 Optical Materials Express Emerging Researcher Best Paper Prize: Editorial,” Optical Materials Express, Vol. 12, No. 5, p. 1946, April 19, 2022. 671. X. Shu, A. Li, G. Hu, J. Wang, A. Alù, and L. Chen, “Fast Encirclement of an Exceptional Point for Highly Efficient and Compact Chiral Mode Converters,” Nature Communications, Vol. 13, 2123 (6 pages), April 19, 2022. (web) 670. J. Fang, K. Yao, T. Zhang, M. Wang, T. Jiang, S. Huang, B. A. Korgel, M. Terrones, A. Alù, and Y. Zheng, “Room-Temperature Observation of Near-Intrinsic Exciton Linewidth in Monolayer WS 2 ,” Advanced Materials, Vol. 34, No. 15, 2108721 (6 pages), April 14, 2022 (published online on March 10, 2022). (web) 669. G. Xu, Y. Yang, X. Zhou, H. Chen, A. Alù, and C. W. Qiu, “Diffusive Topological Transport in Spatiotemporal Thermal Lattices,” Nature Physics, Vol. 18, pp. 450-456, April 1, 2022  (published online on February 3, 2022).  (web, arxiv) 668. S. Abdollahramezani, O. Hemmatyar, M. Taghinejad, H. Taghinejad, A. Krasnok, A. A. Eftekhar, C. Teichrib, S. Deshmukh, M. El-Sayed, E. Pop, M. Wuttig, A. Alù, W. Cai, and A. Adibi, “Electrically Driven Reprogrammable Phase-Change Metasurface Reaching 80% Efficiency,” Nature Communications, Vol. 13, No. 1696 (11 pages), March 30, 2022. (web, arxiv) [Phys.org] 667. S. Yin, and A. Alù, “Efficient Phase Conjugation in a Space-Time Leaky Waveguide,” ACS Photonics, Vol. 9, No. 3, pp. 979-984, March 16, 2022 (published online on February 10, 2022). (web) 666. Y. Kawaguchi, A. Alù, and A. B. Khanikaev, “Non-Reciprocal Parity-Time Symmetry Breaking Based on Magneto-Optical and Gain/Loss Double Ring Resonators,” Optical Materials Express, Vol. 12, No. 4, pp. 1453-1460, March 16, 2022. (web) [Spotlight] 665. L. Huang, A. Krasnok, A. Alù, Y. Yu, D. Neshev, and A. E Miroshnichenko, “Enhanced Light-Matter Interaction in Two-Dimensional Transition Metal Dichalcogenides,” Reviews on Progress in Physics, Vol. 85, No. 4, 046401 (75 pages), March 8, 2022 (published online on December 23, 2021). (web, arxiv) 664. R. Duggan, D. L. Sounas, and A. Alù, “Stability Bounds on Superluminal Propagation in Active Structures,” Nature Communications, Vol. 13, No. 1115 (10 pages), March 2, 2022. (web) 663. J. Soric, Y. Ra’di, D. Farfan, and A. Alù, “Radio-Transparent Dipole Antenna Based on a Metasurface Cloak,” Nature Communications, Vol. 13, No. 1114 (8 pages), March 2, 2022. (web, arxiv) 662. N. Nefedkin, M. Cotrufo, A. Krasnok, and A. Alù, “Dark-State Induced Quantum Nonreciprocity,” Advanced Quantum Technologies, Vol. 5, No. 3, 2100112 (17 pages), March 2022 (published online on January 28, 2022), (invited paper). (web) 661. N. C. Passler, X. Ni, G. Hu, J. R. Matson, G. Carini, M. Wolf, M. Schubert, A. Alù, J. D. Caldwell, T. G. Folland, and A. Paarmann, “Hyperbolic Shear Polaritons in Low-Symmetry Crystals,” Nature, Vol. 602, pp. 599-602, February 23, 2022. (web, RedCube) 660. H. Goh, and A. Alù, “Nonlocal Scatterer for Compact Wave-Based Analog Computing,” Physical Review Letters, Vol. 128, No. 7, 073201 (6 pages), February 18, 2022. (web) [Physics, Laser Physics World] 659. C. Qin, A. Alù, and Z. J. Wong, “Pseudo-Spin Orbit Coupling for Chiral Light Routings in Gauge-Flux-Biased Coupled Microring Resonators,” ACS Photonics, Vol. 9, No. 2, pp. 586-596, February 16, 2022 (published online on January 19, 2022). (web) 658. M. Khatoniar, R. Bushati, A. Mekawy, F. Dirnberger, A. Alù, and V. M. Menon, “Relaxing Symmetry Rules for Nonlinear Optical Interactions in Van der Waals Materials via Strong Light–Matter Coupling,” ACS Photonics, Vol. 9, No. 2, pp. 503-510, February 16, 2022 (published online on January 26, 2022). (web) 657. E. Galiffi, R. Tirole, S. Yin, H. Li, S. Vezzoli, P. A. Huidobro, M. G. Silveirinha, R. Sapienza, A. Alù, and J. B. Pendry, “Photonics of Time-Varying Media,” Advanced Photonics, Vol. 4, No. 1, 014002 (32 pages), February 14, 2022, (invited paper). (web, arxiv) [SPIE Newsroom] 656. F. Capolino, M. Khajavikhan, and A. Alù, “Metastructures: From Physics to Application,” Applied Physics Letters, Vol. 120, No. 6, 060401 (3 pages), February 7, 2022, (invited paper). (web) 655. Q. Xu, X. Su, X. Zhang, L. Dong, L. Liu, Y. Shi, Q. Wang, M. Kang, A. Alù, S. Zhang, J. Han, and W. Zhang, “Mechanically Reprogrammable  Pancharatnam-Berry Metasurface for Microwaves,” Advanced Photonics, Vol. 4, No. 1, 016002 (11 pages), February 1, 2022. (web) [Cover, Physics World, SPIE Newsroom] 654. A. Krasnok, and A. Alù, “Low-Symmetry Nanophotonics,” ACS Photonics, Vol. 9, No. 1, pp. 2-24, January 19, 2022 (published online on January 6, 2022), (invited paper). (web, arxiv) 653. J. Li, Y. Li, P. C. Cao, M. Qi, X. Zheng, Y. G. Peng, B. Li, X. F. Zhu, A. Alù., H. Chen, and C. W. Qiu, “Reciprocity of Thermal Diffusion in Time- Modulated Systems,” Nature Communications, Vol. 13, No. 167  (8 pages), January 10, 2022. (web, arxiv) 652. Z. L. Deng, T. Shi, A. Krasnok, X. Li, and A. Alù, “Observation of Localized Magnetic Plasmon Skyrmions,” Nature Communications, Vol. 13, No. 8 (7 pages), January 10, 2022. (web, arxiv) 651. Y. Radi, and A. Alù, “Metagratings for Efficient Wavefront Manipulation,” IEEE Photonics Journal, Vol. 14, No. 1, No. 2207513 (13 pages), January 2022 (published online on December 17, 2021), (invited paper). (web) 2021 (76 papers) 650. A. Alù, “Message from the Incoming Editor-In-Chief,” Optical Materials Express, Vol. 12, No. 1, p. 374, December 24, 2021. (web) 649. A. Alù, “Space-Time Metasurfaces,” in M. Piccardo, V. Ginis, A. Forbes, S. Mahler, A. A. Friesem, N. Davidson, H. Ren, A. H. Dorrah, F. Capasso, F. T. Dullo, B. S. Ahluwalia, A. Ambrosio, S. Gigan, N. Treps, M. Hiekkamäki, R. Fickler, M. Kues, D. Moss, R. Morandotti, J. Riemensberger, T. J. Kippenberg, J. Faist, G. Scalari, N. Picqué, T. W. Hänsch, G. Cerullo, C. Manzoni, L. A. Lugiato, M. Brambilla, L. Columbo, A. Gatti, F. Prati, A. Shiri, A. F. Abouraddy, A. Alù, E. Galiffi, J. B. Pendry, and P. A. Huidobro, “Roadmap on Multimode Light Shaping,” Journal of Optics, Vol. 24, No. 1, 013001 (53 pages), December 16, 2021 (published online on November 17, 2021), (invited paper). (web, arxiv) 648. A. Krasnok, N. Nefedkin, and A. Alù, “Parity-Time Symmetry and Exceptional Points,IEEE Antennas and Propagation Magazine, Vol. 63, No. 3, pp. 110-121, December 6, 2021, (invited paper). (web, arxiv) 647. A. Kord, and A. Alù, “Magnetless Circulators Based on Synthetic Angular-Momentum Bias,” IEEE Antennas and Propagation Magazine, Vol. 63, No. 6, pp. 51-61, December 6, 2021 (published online on January 1, 2021), (invited paper). (web, arxiv) 646. Y. K. Chiang, L. Quan, Y. Peng, S. Sepehrirahnama, S. Oberst, A. Alù, and D. A. Powell, “Scalable Metagrating for Efficient Ultrasonic Focusing,” Physical Review Applied, Vol. 16, No. 6, 064014 (9 pages), December 6, 2021. (web, arxiv) 645. J. Zhang, B. Peng, S. Kim, F. Monifi, X. Jiang, Y. Li, P. Yu, L. Liu, Y. X. Liu, A. Alù, and L. Yang, “Optomechanical Dissipative Solitons,” Nature, Vol. 600, pp. 75-80, December 1, 2021. (web) [News & Views] 644. A. Hofstrand, M. Cotrufo, and A. Alù, “Nonreciprocal Pulse Shaping and Chaotic Modulation with Asymmetric Noninstantaneous Nonlinear Resonators,” Physical Review A, Vol. 104, No. 5, 053529 (8 pages), November 29, 2021. (web) 643. G. Hu, C. W. Qiu, W. Ma, R. Chen, X. Zhang, P. Li, D. Hu, Q. Dai, and A. Alù, “Polaritonics on Viking Sunstones,” Opics and Photonics  News, Year in Optics, Special Issue Optics in 2021, Vol. 32, No. 12, p. 49, November 28, 2021. [Cover] (web) 642. M. Pascale, S. A. Mann, C. Forestiere, and A. Alù, “Bandwidth of Singular Plasmonic Resonators in Relation to the Chu Limit,” ACS Photonics, Vol. 8, No. 11, pp. 3249-3260, November 17, 2021 (published online on October 25, 2021). (web, arxiv) 641. Z. X. Chen, Y. G. Peng, H. X. Li, J. J. Liu, Y. J. Ding, B. Liang, X. F. Zhu, Y. Q. Lu, J. C. Cheng, and A. Alù, “Efficient Nonreciprocal Mode Transitions in Spatiotemporally Modulated Acoustic Metamaterials,” Science Advances, Vol. 7, No. 45, eabj1198 (8 pages), November 3, 2021. (web, arxiv 640. S. Ramezanpour, A. Bogdanov, A. Alù, and Y. Radi, “Generalization of Exceptional Point Conditions in Perturbed Coupled Resonators,” Physical Review B, Vol. 104, No. 20, 205405 (8 pages), November 3, 2021. (web) 639. Z. Xiao, and A. Alù, “Tailoring Exceptional Points in a Hybrid PT-Symmetric and Anti-PT-Symmetric Scattering System,” Nanophotonics, Special Issue in Honor of Mark Stockman, Vol. 10, No. 14, pp. 3723-3733, October 28, 2021 (published online on July 26, 2021), (invited paper). (web) 638. C. Valagiannopoulos, A. Sarsen, and A. Alù, “Angular Memory of Photonic Metasurfaces,” IEEE Transactions on Antennas and Propagation, Vol. 69, No. 11, pp. 7720-7728, October 28, 2021 (published online on June 2, 2021). (web) 637. A. Alù, C. Daraio, P. Deymier, and M. Ruzzene, “Topological Acoustics,” Acoustics Today, Vol. 17, No. 3, pp. 13-21, October 26, 2021, (invited paper).  (web) 636. S. Guddala, F. Komissarenko, S. Kiriushechkina, A. Vakulenko, M. Li, V. M. Menon, A. Alù, and A. B. Khanikaev, “Topological Phonon-Polariton Funneling in Midinfrared Metasurfaces,” Science, Vol 374, No. 6564, pp. 225-227, October 8, 2021. (web) 635. H. Li, S. Yin, E. Galiffi, and A. Alù, “Temporal Parity-Time Symmetry for Extreme Energy Transformations,” Physical Review Letters, Vol. 127, 153903 (7 pages), October 7, 2021. (web, arxiv) 634. S. Yves, and A. Alù, “Extreme Anisotropy and Dispersion Engineering in Locally Resonant Acoustic Metamaterials,” Journal of the Acoustic Society of America, Special Issue on Additive Manufacturing, Vol. 150, pp. 2040-2045, September 21, 2021, (invited paper). (web) 633. S. A. Mann, and A. Alù, “Broadband Topological Slow Light through Brillouin-Zone Winding,” Physical Review Letters, Vol. 127, No. 12, 123601 (6 pages), September 13, 2021. (web) 632. Q. Zhang, G. Hu, W. Ma, P. Li, A. Krasnok, R. Hillebrand, A. Alù, and C. W. Qiu, “Interface Nano-Optics with Van der Waals Polaritons,” Nature, Vol. 597, pp. 187-195, September 8, 2021. (web, SharedIt) 631. M. Miscuglio, Y. Gui, X. Ma, Z. Ma, S. Sun, T. El Ghazawi, T. Itoh, A. Alù, and V. J. Sorger, “Approximate Analog Computing with Metatronic Circuits,” Communications Physics, Vol. 4, 196 (11 pages), August 26, 2021. (web, arxiv) 630. K. Chen, M. Weiner, M. Li, X. Ni, A. Alù, and A. B. Khanikaev, “Nonlocal Topological Insulators:Deterministic Aperiodic Arrays Supporting Localized Topological States Protected by Nonlocal Symmetries,” Proceedings of the National Academy of Sciences, Vol. 118, No. 34, e2100691118 (8 pages), August 24, 2021 (published online on August 19, 2021). (web, arxiv) 629. M. Farhat, P. Y. Chen, M. Amin, A. Alù, and Y. Wu, “Transverse Acoustic Spin and Torque from Pure Spinning of Objects,” Physical Review B (Letter), (Letter), Vol. 104, L060104 (6 pages), August 20, 2021. (web) 628. W. Ma, G. Hu, D. Hu, R. Chen, T. Sun, X. Zhang, Q. Dai, Y. Zeng, A. Alù, C. W. Qiu, and P. Li, “Ghost Hyperbolic Surface Polaritons in Bulk Anisotropic Crystals,” Nature, Vol. 596, pp. 362-366, August 19, 2021. (SharedIt, web) [Phys.org] 627. F. Shafiei, T. Orzali, A. Vert, M. A. Miri, P. Y. Hung, M. H. Wong, A. Alù, G. Bersuker, and M. C. Downer, “Detection of Subsurface, Nanometer-Scale Crystallographic Defects by Nonlinear Light Scattering and Localization,” Advanced Optical Materials, Vol. 9, No. 16, 2002252 (8 pages), August 18, 2021 (published online on June 6, 2021). (web, arxiv) 626. N. Janković, S. Ilić, V. Bengin, S. Birgermajer, V. Radonić, and A. Alù, “Acoustic Spoof Surface Plasmon Polaritons for Filtering, Isolation and Sensing,” Reports in Physics, iVol. 28, 104645 (7 pages), August 18, 2021 (published online on August 11, 2021).   (web) 625. M. Cotrufo, S. A. Mann, H. Moussa, and A. Alù, “Nonlinearity-Induced Nonreciprocity – Part II,” IEEE Transactions on Microwave Theory and Techniques, Vol. 69, No. 8, pp. 3584- 3597, August 7, 2021 (published online on June 2, 2021), (invited paper). (web) 624. M. Cotrufo, S. A. Mann, H. Moussa, and A. Alù, “Nonlinearity-Induced Nonreciprocity – Part I,” IEEE Transactions on Microwave Theory and Techniques, Vol. 69, No. 8, pp. 3569- 3583, August 7, 2021 (published online on June 3, 2021), (invited paper). (web) 623. A. Monti, A. Alù, A. Toscano, and F. Bilotti, “Design of High-Q Passband Filters Implemented Through Multipolar All-Dielectric Metasurfaces,” IEEE Transactions on Antennas and Propagation, Vol. 69, No. 8, pp. 5142-5147, August 5, 2021 (published online on December 24, 2020). (web) 622. X. Ni, S. Kim, and A. Alù, “Topological Insulator in Two Synthetic Dimensions Based on an Optomechanical Resonator,” Optica, Vol. 8, No. 8, pp. 1024-1032, July 23, 2021. (web) 621. C. Rasmussen, and A. Alù, “Non-Foster Acoustic Radiation From an Active Piezoelectric Transducer,” Proceedings of the National Academy of Sciences, Vol. 118, No. 30, e2024984118 (7 pages), July 27, 2021 (published online on July 19, 2021). (web) 620. M. Li, I. Sinev, F. Benimetskiy, T. Ivanova, E. Khestanova, S. Kiriushechkina, A. Vakulenko, S. Guddala, M. Skolnick, V. Menon, D. Krizhanovskii, A. Alù, A. Samusev, and A. B. Khanikaev, “Experimental Observation of Topological Z2 Exciton-Polaritons in Transition Metal Dichalcogenide Monolayers,” Nature Communications, Vol. 12, 4425 (10 pages), July 20, 2021. (web, arxiv) 619. Y. Mazor, M. Cotrufo, and A. Alù, “Unitary Excitation Transfer Between Coupled Cavities Using Temporal Switching,” Physical Review Letters, Vol. 127, 013902 (6 pages), July 2, 2021. (web) 618. H. Li, A. Mekawy, and A. Alù, “Gain-Free Parity-Time Symmetry for Evanescent Fields,” Physical Review Letters, Vol. 127, 014301 (7 pages), July 1, 2021. (web) 617. Z. Sakotic, A. Krasnok, A. Alù, and N. Jankovic, “Topological Scattering Singularities and Embedded Eigenstates for Polarization Control and Sensing Applications,” Photonics Research, Vol. 9, No. 7, pp. 1310-1323, July 2021 (published online on June 28, 2021). (web, arxiv) 616. S. Guddala, Y. Kawaguchi, F. Komissarenko, S. Kiriushechkina, A. Vakulenko, K. Chen, A. Alù, V. M. Menon, and A. B. Khanikaev, “All- Optical Nonreciprocity Due to Valley Polarization Pumping in Transition Metal Dichalcogenides,” Nature Communications, Vol. 12, 3746 (9 pages), June 18, 2021. (web, arxiv) 615. Y. Kawaguchi, M. Li, K. Chen, V. Menon, A. Alù, and A. B. Khanikaev, “Optical Isolator Based on Chiral Light-Matter Interactions in a Ring Resonator Integrating a Dichroic Magneto-Optical Material,” Applied Physics Letters, Special Topic Collection on Metastructures: From Physics to Application, Vol. 118, No. 24, 241104 (5 pages), June 15, 2021, (invited paper). (web) 614. A. Overvig, S. A. Mann, and A. Alù, “Thermal Metasurfaces: Complete Emission Control by Combining Local and Nonlocal Light-Matter Interactions,” Physical Review X, Vol. 11, 021050 (29 pages), June 4, 2021. (web) [APS Physics Focus, Press release, Nature Physics N&V] 613. C. Rasmussen, L. Quan, and A. Alù, “Acoustic Nonreciprocity,” Journal of Applied Physics, Special Issue on Acoustics 2021, Vol. 129, 210903 (12 pages), June 2, 2021, (invited paper). [Editor’s Pick, AIP SciLight] (web) 612. N. Nefedkin, A. Alù, and A. Krasnok, “Quantum Embedded Superstates,” Advanced Quantum Technologies, Vol. 4, No. 6, 2000121 (11 pages), June 2021 (published online on May 5, 2021). (web, arxiv) 611. M. Farhat, S. Guenneau, P. Y. Chen, A. Alù, and K. N. Salama, “Reply to “Comment on ‘Scattering Cancellation-Based Cloaking for the Maxwell-Cattaneo Heat Waves’”,” Physical Review Applied, Vol. 15, No. 5, 058002 (2 pages), May 28, 2021. (web) 610. A. Mekkawy, and A. Alù, “Hyperbolic Surface Wave Propagation in Mid-Infrared Metasurfaces with Extreme Anisotropy,” Journal of Physics: Photonics, Special Issue ‘Focus on Metaphotonics and Metaoptics', Vol. 3, No. 3, 034006 (9 pages), May 28, 2021, (invited paper). (web) 609. A. Mekawy, H. Li, Y. Ra’di, and A. Alù, “Parametric Enhancement of Radiation from Electrically Small Antennas,” Physical Review Applied, Vol. 15, 054063 (11 pages), May 27, 2021. (web) 608. G. Hu, C. Zheng, J. Ni, C. W. Qiu, and A. Alù, “Enhanced Light-Matter Interactions at Photonic Magic-Angle Topological Transitions,” Applied Physics Letters, Special Issue on Twisted 2D Electronic and Photonic Materials and Devices, Vol. 118, 211101 (6 pages), May 24, 2021, (invited paper). [Featured Article] (web) 607. J. Fang, M. Wang, K. Yao, T. Zhang, A. Krasnok, T. Jiang, J. Choi, E. Kahn, B. A. Korgel, M. Terrones, X. Li, A. Alù, and Y. Zheng, Directional Modulation of Exciton Emission Using Dielectric Nanospheres,” Advanced Materials, Vol. 33, No. 20, 2007236 (8 pages), May 20, 2021 (published online on April 9, 2021). (web, arxiv) [Cover] 606. L. Quan, S. Yves, Y. Peng, H. Esfahlani, and A. Alù, “Odd Willis Coupling Induced by Broken Time-Reversal Symmetry,” Nature Communications, Vol. 12, 2615 (9 pages), May 10, 2021. (web, SharedIt) 605. A. Vakulenko, S. Kiriushechkina, M. Wang, M. Li, D. Zhirihin, X. Ni, S. Guddala, D. Korobkin, A. Alù, and A. B. Khanikaev, “Near‐Field Characterization of Higher‐Order Topological Photonic States at Optical Frequencies,” Advanced Materials, Vol. 33, No. 18, 2004376 (5 pages), May 6, 2021 (published online on March 18, 2021). (web, arxiv) [Cover] 604. X. Ni, and A. Alù, “Higher-Order Topolectrical Semimetal Realized via Synthetic Gauge Fields,” APL Photonics, Special Collection on Synthetic Gauge Field Photonics, Vol. 6, No. 5, 050802 (9 pages), May 3, 2021, (invited paper). (web) 603. P. Abdipour, A. N. Askarpour, and A. Alù, “Efficient Analysis of Wave Propagation in Metasurface Arrays Based on Eigenvalue Perturbation,” IEEE Transactions on Antennas and Propagation, Vol. 69, No. 5, pp. 2706-2714, May 2021 (published online on October 20, 2020). (web) 602. A. Nagulu, A. Mekkawy, M. Tymchenko, D. Sounas, A. Alù, and H. Krishnaswamy, “Ultra-Wideband Switched-Capacitor Delays and Circulators – Theory and Implementation,” IEEE Journal of Solid State Circuits, Vol. 56, No. 5, pp. 1412-1424, May 2021 (published online on February 12, 2021), (invited paper). (web) 601. G. Hu, M. Wang, Y. Mazor, C. W. Qiu, and A. Alù, “Tailoring Light with Layered and Moiré Metasurfaces,” Trends in Chemistry, Vol. 3, No. 5, pp. 342-358, May 1, 2021  (published online on March 9, 2021), (invited paper). [Cover] (web) 600. S. A. Mann, N. Nookala, S. C. Johnson, M. Cotrufo, A. Mekkawy, J. F. Klem, I. Brener, M. B. Raschke, A. Alù, and M. A. Belkin, “Ultrafast Optical Switching and Power Limiting in Intersubband Polaritonic Metasurfaces,” Optica, Vol. 8, No. 5, pp. 606-613, April 29, 2021. (web) 599. D. Chachayma-Farfan, Y. Ra’di, and A. Alù, “Dual-Layer Radio-Transparent Dielectric Core Metasurface Antenna,” IEEE Open Journal of Antennas and Propagation, Special Issue on Direct and Inverse Electromagnetic Scattering Methods, Vol. 2, pp. 585-590, April 26, 2021, (invited paper). (web) 598. A. Makkawy, D. L. Sounas, and A. Alù, “Free-Space Nonreciprocal Transmission Based on Nonlinear Coupled Fano Metasurfaces,” Photonics, Special Issue on Advances in Complex Media Electromagnetics, Vol. 8, No. 5, 139 (24 pages), April 23, 2021, (invited paper). (web) 597. G. Hu, C. W. Qiu, and A. Alù, “Twistronics for Photons: Opinion,” Optical Materials Express, Vol. 11, No. 5, pp. 1377-1382, April 8, 2021, (invited paper). (web) [Editor’s Pick] 596. R. Duggan, J. del Pino, E. Verhagen, D. Sounas, and A. Alù, “Nonlinearity-Driven Broken Degeneracy and Nonreciprocity,” FERMAT, Vol. 44, 4 (2 pages), April 4, 2021. (web) 595. M. Barbuto, A. Alù, F. Bilotti, and A. Toscano, “Dual-Circularly Polarized Topological Patch Antenna with Pattern Diversity,” IEEE ACCESS, Vol. 9, pp. 48769-48776, April 2, 2021 (published online on March 24, 2021). (web) 594. M. Coppolaro, M. Moccia, G. Castaldi, A. Alù, and V. Galdi, “Surface-Wave Propagation on Non-Hermitian Metasurfaces with Extreme Anisotropy,” IEEE Transactions on Microwave Theory and Techniques, Special Cluster on Metamaterials, Vol. 69, No. 4, pp. 2060-2071, April 1, 2021 (published online on March 3, 2021), (invited paper). (web, arxiv) 593. A. Cordaro, H. Kwon, D. Sounas, A. F. Koenderink, A. Polman, and A. Alù, “Mathematics at the Speed of Light,” FERMAT, Vol. 44, 2 (2 pages), April 1, 2021. (web) 592. G. Hu, A. Krasnok, Y. Mazor, C. W. Qiu, and A. Alù, “Topological Transitions and Polariton Canalization in Twisted Hyperbolic Surfaces,” FERMAT, Vol. 44, 1 (2 pages), April 1, 2021. (web) 591. S. A. Mann, A. Mekkawy, and A. Alù, “Broadband Field Localization, Density of States, and Nonlinearity Enhancement in Nonreciprocal and Topological Hotspots,” Physical Review Applied, Vol. 15, No. 3, 034064 (18 pages), March 22, 2021. (web) [Editors’Suggestion] 590. A. Overvig, and A. Alù, “Wavefront-Selective Fano Resonant Metasurfaces,” Advanced Photonics, Vol. 3, No. 2, 026002 (11 pages), March 18, 2021, (invited paper). (web) [Press release] [Cover] 589. F. Zangeneh-Nejad, D. L. Sounas, A. Alù, and R. Fleury, “Analogue Computing with Metamaterials,” Nature Reviews Materials, Vol. 6, No. 3, pp. 207-225, March 10, 2021 (published online on October 19, 2020). (web) [Cover] 588. H. Kwon, G. D’Aguanno, and A. Alù, “Optically Transparent Microwave Absorber Based on Water-Based Moth-Eye Structures,” Optics Express, Vol. 29, No. 6, pp. 9190-9198, March 9, 2021. (web) 587. D. Ramaccia, A. Alù, A. Toscano, and F. Bilotti, “Temporal Multilayer Structures for Designing Higher-Order Transfer Functions Using Time-Varying Metamaterials,” Applied Physics Letters, Special Collectionon Metamaterials, Vol. 118, No. 10, 101901 (7 pages), March 8, 2021, (invited paper). (web) 586. H. Esfahlani, Y. Mazor, and A. Alù, “Homogenization and design of Acoustic Willis Metasurfaces,” Physical Review B, Vol. 103, 054306 (11 pages), February 26, 2021. (web) 585. A. Overvig, N. Yu, and A. Alù, “Chiral Quasi-Bound States in the Continuum,”Physical Review Letters, Vol. 126, No. 7, 073001 (6 pages), February 17, 2021. (web, arxiv) 584. A. Prakash, T. Wang, A. Bucsek, T. Truttmann, A. Fali, M. Cotrufo, H. Yun, J. W. Kim, P. J. Ryan, K. A. Mkhoyan, A. Alù, Y. Abate, R. D. James, and B. Jalan, “Self-Assembled Periodic Nanostructures Using Martensitic Phase Transformations,” Nano Letters, Vol. 21, No. 3, pp. 1246-1252, February 10, 2021 (published online on December 2, 2020). (web, arxiv) [Cover] 583. C. Rasmussen, and A. Alù, “Compressibility-Near-Zero Acoustic Radiation,” Physical Review Applied, Vol. 15, No. 2, 024022 (8 pages), February 10, 2021. (web) 582. N. Jankovic, and A. Alù, “Glide-Symmetric Acoustic Waveguides for Extreme Sensing and Isolation,” Physical Review Applied, Vol. 15, No. 2, 024004 (13 pages), February 1, 2021. (web, arxiv)   581. X. Xu, H. Kwon, S. Finch, J. Y. Lee, L. Nordin, D. Wasserman, A. Alù, and A. Dodabalapur, “Reflecting Metagrating-Enhanced Thin-Film Organic Light Emitting Devices,” Applied Physics Letters, Vol. 118, No. 5, 053302 (5 pages), February 1, 2021. (web) 580. J. Li, M. Wang, Z. Wu, H. Li, G. Hu, T. Jiang, J. Guo, Y. Liu, K. Yao, Z. Chen, G. Hu, J. Fang, D. Fan, B. A. Korgel, A. Alù, and Y. Zheng,  Tunable Chiral Coupling in All-Solid-Phase Reconfigurable Dielectric Nanostructures,” Nano Letters, Vol. 21, No. 2, pp. 973-979, January 27, 2021 (published online on December 29, 2020). [Front Cover] (web) 579. A. Bergman, R. Duggan, K. Sharma, M. Tur, A. Zadok, and A. Alù, “Observation of Anti-Parity-Time-Symmetry, Phase Transitions and Exceptional Points in an Optical Fiber,” Nature Communications, Vol. 12, No. 486 (9 pages), January 20, 2021,  (web, arxiv) 578. M. Tymchenko, A. Nagulu, H. Krishnaswamy, and A. Alù, “Universal Frequency-Domain Analysis of N-Path Networks,” IEEE Transactions on on Circuits and Systems, Vol. 68, No. 2, pp. 569-580, February 2021  (published online on December 7, 2020). (web) [Highlight of the Feb. 2021 Issue] 577. S. Sun, Y. Ding, H. Li, P. Hu, C. W. Cheng, Y. Sang, F. Cao, Y. Hu, A. Alù, D. Liu, Z. Wang, S. Gwo, D. Han, and J. Shi, “Tunable Plasmonic Bound States in the Continuum in the Visible Range,” Physical Review B, Vol. 103, No. 5, 045416 (9 pages), January 15, 2021. (web) 576. A. Alù, L. Pilozzi, H Xu, and J. Fan, “Introduction to the Topological Photonics and Beyond Feature Issue,” Photonics Research, Feature Issue on Topological Photonics and Beyond, Vol. 9, No. 1, pp. TPB1-TPB2, January 1, 2021 (published online on Deember 24, 2020), (invited paper). (web) 575. A. Mekawy, and A. Alù, “Giant Midinfrared Nonlinearity Based on Multiple Quantum Well Polaritonic Metasurfaces,” Nanophotonics, Special Issue Frontiers of Optics and Photonics, Vol. 10, No. 1, pp. 667-678, January 1, 2021 (published online September 14, 2020) , (invited paper). (web) 2020 (65 papers) 574. H. Li, and A. Alù, “Temporal Switching to Extend the Bandwidth of Thin Absorbers,” Optica, Vol. 8, No. 1, pp. 24-29, December 24, 2020. (web, arxiv) 573. F. Zangeneh-Nejad, A. Alù, and R. Fleury, “Topological Wave Insulators: A Review,” Comptes Rendus Physique, Vol. 21, No. 4-5, pp. 467- 499, Deember 16, 2020 (published online on November 3, 2020), (invited paper). (web) 572. S. Dong, G. Hu, Q. Wang, Y. Jia, Q. Zhang, G. Cao, J. Wang, S. Chen, D. Fan, W. Jiang, Y. Li, A. Alù, and C. W. Qiu, “Loss-Assisted Metasurface at an Exceptional Point,” ACS Photonics, Vol. 7, No. 12, pp. pp. 3321-3327, December 16, 2020 (published online on December 7, 2020). (web) 571. Z. Dai, G. Hu, G. Si, Q. Ou, Q. Zhang, S. Balendhran, F. Rahman, B. Y. Zhang, J. Z. Ou, G. Li, A. Alù, P. Alonso-González, C. W. Qiu, and Q. Bao, “Edge-Oriented and Steerable Hyperbolic Polaritons in Anisotropic Van der Waals Nanocavities,” Nature Communications, Vol. 11, No. 6086 (8 pages), November 30, 2020. (web) 570. K. Y. Yang, J. Skarda, A. Dutt, G. H. Ahn, M. Sawaby, D. Vercruysse, A. Arbabian, S. Fan, J. Vučković, M. Cotrufo, and A. Alù, “Nonreciprocal Devices in Silicon Photonics,” Optics and Photonics News, Special Issue Year in Optics 2020, Vol. 31, No. 12, p. 38, December 1, 2020 (published online November 23, 2020). (web, pdf) 569. P. Rocca, A. Alù, C. Caloz, and S. Yang, “Guest Editorial: Special Cluster on Space-Time Modulated Antennas and Materials,” IEEE Antennas and Wireless Propagation Letters, Vol. 19, No. 11, pp. 1838-1841, November 24, 2020. (web) 568. A. Li, J. Dong, J. Wang, Z. Cheng, J. S. Ho, D. Zhang, J. Wen, X. L. Zhang, C. T. Chan, A. Alù, C. W. Qiu, and L. Chen, “Hamiltonian Hopping for Efficient Chiral Mode Switching in Encircling Exceptional Points,” Physical Review Letters, Vol. 125, No. 18, 187403 (6 pages), October 30, 2020. (web) 567. Z. L. Deng, X. Ye., H. Y. Qiu, Q. A. Tu, T. Shi, Z. P. Zhuang, Y. Cao, B. O. Guan, N. Feng, G. P. Wang, P. Kapitanova, A. Alù, J. W. Dong, and X. Li, “Full-visible Transmissive Metagratings with Large Angle/Wavelength/Polarization Tolerance,” Nanoscale, Vol. 12, No. 40, pp. 20604-20609, October 28, 2020  (first published on September 19, 2020). (web, arxiv) 566. A. Alù, “Metamaterials for Next-Generation Communication Systems,” IEEE ComSoc Technology News, October 19, 2020. (web) 565. M. Wang, A. Krasnok, S. Lepeshov, G. Hu, T. Jiang, T. Jiang, J. Fang, B. A. Korgel, A. Alù, and Y. Zheng, “Suppressing Material Loss in the Visible and Near-Infrared Range for Functional Nanophotonics Using Bandgap Engineering,” Nature Communications, Vol. 11, No. 5055 (9 pages), October 7, 2020. (RedCube, web, arxiv) 564. A. Kord, D. Sounas, and A. Alù, “Magnet-Free Microwave Nonreciprocity,” Proceedings of IEEE, Vol. 108, No. 10, pp. 1728-1758, October 1, 2020 (published online on July 17, 2020), (invited paper). [Cover] (web) 563. A. Alù, “Magnet-Free Nonreciprocity,” Proceedings of IEEE, Vol. 108, No. 10, pp. 1682-1683, October 1, 2020 (published online on September 28, 2020), (invited paper). [Cover] (web) 562. R. Duggan, S. A. Mann, and A. Alù, “Non-Reciprocal Photonic Topological Order Driven by Uniform Optical Pumping,” Physical Review B, Rapid Communications, Vol. 102, No. 10, 100303(R), September 25, 2020. (web) 561. A. Alù, C. Daraio, P. Deymier, S. Chavarria, and M. Ruzzene, “New Frontiers of Sound: A Quiet Revolution,” Scientia, Vol. 132, pp. 144-147, September 24, 2020  (published online on June 3, 2020). (web, podcast) 560. Y Luo, P Li, D. Li, Y. Peng, Z. Geng, S. Xie, Y. Li, A. Alù, J. Zhu, X. Zhu, “Probability-Density-Based Deep Learning Paradigm for the Fuzzy Design of Functional Meta-Structures,” Research, Vol. 2020, 8757403 (11 pages), September 22, 2020. (web) 559. E. Galiffi, Y. T. Wang, Z. Lim, J. B. Pendry, A. Alù, and P. A. Huidobro, “Wood Anomalies and Surface-Wave Excitation with a Time Grating,” Physical Review Letters, Vol. 125, No. 12, 127403 (6 pages), September 17, 2020. (web, arxiv) 558. H. Li, H. Moussa, D. Sounas, and A. Alù, “Parity-Time Symmetry Based on Time Modulation,” Physical Review Applied, Vol. 14, No. 3, 031002 (6 pages), September 11, 2020. (web) [Editor’s Pick, Letter] 557. Z. Zhang, M. Kang, X. Zhang, X. Feng, Y. Xu, X. Chen, H. Zhang, Q. Xu, Z. Tian, W. Zhang, A. Krasnok, J. Han, and A. Alù, “Coherent Perfect Diffraction in Controlled Metagratings,” Advanced Materials, Vol. 32, No. 36, 2002341 (6 pages), September 10, 2020 (published online on July 23, 2020). (web) [Cover, SUM] 556. A. Monti, A. Alù, A. Toscano, and F. Bilotti, “Optical Metasurfaces Based on Spheroidal Nanoparticles: Theory and Applications,” Radio Science Bulletin, Vol. 2020, No. 374, pp. 28-38, September 2020. 555. H. Nassar, B. Yousefzadeh, R. Fleury, M. Ruzzene, A. Alù, C. Daraio, A. N. Norris, G. Huang, and M. R. Haberman, “Nonreciprocity in Acoustic and Elastic Materials,” Nature Reviews Materials, Vol. 5, pp. 667-685, September 1, 2020 (published online on July 6, 2020), (invited paper). (web) 554. S. A. Mann, D. L. Sounas, and A. Alù, “Nonreciprocal Cavities and the Time-Bandwidth Limit: Reply,” Optica, Vol. 7, No. 9, pp. 1102- 1107, August 28, 2020. (web) 553. T. E. Rimpiläinen, A. Alù, and A. H. Sihvola, “Implementing Radial Anisotropy with Self-Similar Structures,” Physical Review B, Vol. 102, No. 8, 085141 (11 pages), August 20, 2020. (web) 552. H. Esfahlani, M. S. Byrne, and A. Alù, “Acoustic Power Divider Based on Compressibility-Near-Zero Propagation,” Physical Review Applied, Vol. 14, No. 2, 024057 (11 pages), August 20, 2020. (web) 551. M. Moccia, G. Castaldi, A. Alù, and V. Galdi, “Line Waves in Non-Hermitian Metasurfaces,” ACS Photonics, Vol. 7, No. 8, pp. 2064- 2072, August 19, 2020 (published online on Julne 30, 2020). (web) 550. P. Li, G. Hu, I. Dolado, M. Tymchenko, C. W. Qiu, F. J. Alfaro-Mozaz, F. Casanova, L. E. Hueso, S. Liu, J. H. Edgar, S. Vélez, A. Alù, and R. Hillenbrand, “Collective Near-Field Coupling and Nonlocal Phenomena in Infrared-Phononic Metasurfaces for Nano-Light Canalization,” Nature Communications, Vol. 11, No. 3663 (8 pages), July 21, 2020. (web, arxiv) 549. H. Kwon, A. Cordaro, D. Sounas, A. Polman and A. Alù, “Dual-Polarization Analog 2D Image Processing with Nonlocal Metasurfaces,” ACS Photonics, Vol. 7, No. 7, pp. 1799-1805, July 17, 2020 (pubblished online on June 9, 2020). (web) 548. A. Darabi, X. Ni, M. Leamy, and A. Alù, “Reconfigurable Floquet Elastodynamic Topological Insulator Based on Synthetic Angular Momentum Bias,” Science Advances, Vol. 6, No. 19, eaba8656 (5 pages), July 17, 2020. (web) [Press release, Physics World, UPI, SUM] 547. Y. Mazor, and A. Alù, “Routing Optical Spin and Pseudospin with Metasurfaces,” Physical Review Applied, Vol. 14, No. 1, 014029 (11 pages), July 10,  2020. (web) 546. Z. Sakotic, A. Krasnok, N. Cselyuszka, N. Jankovic, and A. Alù, “Berreman Embedded Eigenstates for Narrow-Band Absorption and Thermal Emission,” Physical Review Applied, Vol. 13, 064073 (15 pages), June 30, 2020. (web, arxiv) 545. S. Abdollahramezani, O. Hemmatyar, H. Taghinejad, A. Krasnok, Y. Kiarashinejad, M. Zandehshahvar, A. Alù, and A. Adibi, “Tunable Nanophotonics Based on Chalcogenide Phase-Change Materials,” Nanophotonics, Vol. 9, No. 5, pp. 1189–1241, June 29, 2020 (published online on June 6, 2020), (invited paper). (web, arxiv) 544. Y. K. Chiang, S. Oberst, A. Melnikov, L. Quan, S. Marburg, A. Alù, and D. A. Powell, “Reconfigurable Acoustic Metagrating for High-Efficiency Anomalous Reflection,” Physical Review Applied, Vol. 13, No. 6, 064067 (8 pages), June 29, 2020. (web) 543. Y. J. Zhang, P. Li, V. Galdi, M. S. Tong, and A. Alù, “Manipulating the Scattering Pattern with Non-Hermitian Particle Arrays,” Optics Express, Vol. 28, No. 13, pp. 19492-19507, June 17, 2020. (web) 542. Y. Radi, A. Krasnok and A. Alù, “Virtual Critical Coupling,” ACS Photonics, Vol. 7, No. 6, pp. 1468-1475, June 17, 2020 (published online on May 7, 2020). (web, arxiv) [Cover] 541. Z. Xiao, D. L. Sounas, M. Tymchenko, A. Nagulu, M. Tymchenko, T. Dinc, H. Krishnaswamy, and A. Alù, “Role of Synchronization in Magnetless Nonreciprocal Devices Based on Commutated Transmission Lines,” Physical Review Applied, Vol. 13, No. 6, 064033 (29 pages), June 15, 2020. (web) 540. X. Ni, Z. Xiao, A. B. Khanikaev, and A. Alù, “Robust Multiplexing with Topolectrical Higher-Order Chern Insulators,” Physical Review Applied, Vol. 13, No. 6, 064031 (8 pages), June 12, 2020. (web) 539. G. Hu, Q. Ou, G. Si, Y. Wu, J. Wu, Z. Dai, A. Krasnok, Y. Mazor, Q. Zhang, Q. Bao, C. W. Qiu, and A. Alù, “Topological Polaritons and Photonic Magic Angles in Twisted α-MoO3 Bilayers,” Nature, Vol. 582, pp. 209-213, June 11, 2020. [Selected as Top 10 Breakthrough of the Year by Physics World] (SharedIt, web, arxiv, Physics World, Phys.org, Independent, Chemistry & Industry) 538. H. M. Bernety, A. B. Yakovlev, H. G. Skinner, S. Y. Suh, and A. Alù, “Decoupling and Cloaking of Interleaved Phased Antenna Arrays Using Elliptical Metasurfaces,” IEEE Transactions on Antennas and Propagation, Vol. 68, No. 6, pp. 4997-5002, June 2020 (published online on December 9, 2019). (web) 537. K. Y. Yang, J. Skarda, M. Cotrufo, A. Dutt, G. H. Ahn, M. Sawaby, D. Vercruysse, .A. Arbabian, S. Fan, A. Alù, and J. Vuckovic, “Inverse- Designed Non-Reciprocal Pulse Router for Chip-Based LiDAR,” Nature Photonics, Vol. 14, No. 6, pp. 369-374, May 29, 2020, published online on March 23, 2020. (