Andrea Alù, Ph.D.

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. Nat Commun 13, 2123 (2022).

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)

J. Soric,  Y. Ra’di, D. Farfan,  and  A. Alù, Radio-Transparent Dipole Antenna Based on a Metasurface Cloak, Nature Communications, 2022, 13 (1114).

R. Duggan, H. Moussa, Y. Ra’di, D. Sounas,  and A. Alù, Stability Bounds on Superluminal Propagation in Active Structures. Nature Communications, 2022, 13 (1115).

H. Goh, and A. Alù, Nonlocal Scatterer for Compact Wave-Based Analog Computing, Physical Review Letters, 2022, 128 (7), 073201.

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, 2022, 4 (1), 016002.

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, 2022, 9 (2), 503-510.

Z. Deng, T. Shi, A. Krasnok, X. Li,  and A. Alù. Observation of Localized Magnetic Plasmon Skyrmions. Nature Communications, 2022, 13 (8).

J. Li, Y. Li, P. Cao, X. Zheng, Y. Peng, B. Li, X. Zhu, A. Alù, and C. Qiu, Reciprocity of Thermal Diffusion in Time-Modulated Systems. Nature Communications, 2022, 3 (167).

A. Krasnok, and A. Alù, Low-Symmetry Nanophotonics, ACS Photonics, 2022, 9 ( 1), 2-24.

Y. Radi, and A. Alù, “Metagratings for Efficient Wavefront Manipulation,” IEEE Photonics Journal, Vol. 14, No. 1, No. 2207513  (2021), (invited paper) 

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 (2021) 

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, (2021).  

A. Hofstrand, M. Cotrufo, A. Alù. Nonreciprocal Pulse Shaping and Chaotic Modulation with Asymmetric Noninstantaneous Nonlinear Resonators. Physical Review A, Vol. 104, No. 5, 053529 (2021)

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 (2021) 

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 (2021) 

M. Pascale, S.A. Mann, C. Forestiere, A. Alù. Bandwidth of Singular Plasmonic Resonators in Relation to the Chu Limit. ACS Photonics, (2021)

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, (2021). 

H. Li, S. Yin, E. Galiffi, and A. Alù, “Temporal Parity-Time Symmetry for Extreme Energy Transformations,” Physical Review Letters, Vol. 127, 153903 (2021). 

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, (2021) (invited paper). 

S. A. Mann, and A. Alù, “Broadband Topological Slow Light through Brillouin-Zone Winding,” Physical Review Letters, Vol. 127, No. 12, 123601 (2021).

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, (2021). 

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 (2021). 

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 (2021).

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 (2021). 

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, (2021). 

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 (2021). 

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,  (2021), (invited paper). 

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 (2021). 

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 (2021). 

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 (2021). 

Y. Mazor, M. Cotrufo, and A. Alù, “Unitary Excitation Transfer Between Coupled Cavities Using Temporal Switching,” Physical Review Letters, Vol. 127, 013902 (2021). 

H. Li, A. Mekawy, and A. Alù, “Gain-Free Parity-Time Symmetry for Evanescent Fields,” Physical Review Letters, Vol. 127, 014301 (2021). 

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 (2021). 

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 (2021). 

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 (2021) (invited paper). 

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 (2021). 

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 (2021), (invited paper) 

C. Rasmussen, L. Quan, and A. Alù, “Acoustic Nonreciprocity,” Journal of Applied Physics, Special Issue on Acoustics 2021, Vol. 129, 210903 (2021) (invited paper). [Editor’s Pick]  

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 ( 2021), (invited paper). 

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, (2021) 

N. Nefedkin, A. Alù, and A. Krasnok, “Quantum Embedded Superstates,” Advanced Quantum Technologies, Vol. 4, No. 6, 2000121 (2021). 

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 (2021). 

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 (2021) (invited paper). 

A. Mekawy, H. Li, Y. Ra’di, and A. Alù, “Parametric Enhancement of Radiation from Electrically Small Antennas,” Physical Review Applied, Vol. 15, 054063 (2021). 

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 (2021) (invited paper). [Featured Article] 

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 (2021). 

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 (2021). 

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 (2021) (invited paper). 

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 (2021), (invited paper). 

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, (2021). 

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, (2021), (invited paper). 

G. Hu, C. W. Qiu, and A. Alù, “Twistronics for Photons: Opinion,” Optical Materials Express, Vol. 11, No. 5, pp. 1377-1382, (2021), (invited paper). [Editor’s Pick] 

R. Duggan, J. del Pino, E. Verhagen, D. Sounas, and A. Alù, “Nonlinearity-Driven Broken Degeneracy and Nonreciprocity,” FERMAT, Vol. 44, 4 (2021). 

A. Cordaro, H. Kwon, D. Sounas, A. F. Koenderink, A. Polman, and A. Alù, “Mathematics at the Speed of Light,” FERMAT, Vol. 44, 2 (2021). 

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, (2021). 

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 (2021). [Editors’Suggestion] 

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 (2021). 

A. Overvig, and A. Alù, “Wavefront-Selective Fano Resonant Metasurfaces,” Advanced Photonics, Vol. 3, No. 2, 026002 (2021), (invited paper).  

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 (2021), (invited paper). 

H. Esfahlani, Y. Mazor, and A. Alù, “Homogenization and Design of Acoustic Willis Metasurfaces,” Physical Review B, Vol. 103, 054306 (2021).  

A. Overvig, N. Yu, and A. Alù, “Chiral Quasi-Bound States in the Continuum,” Physical Review Letters, Vol. 126, No. 7, 073001 (2021). 

C. Rasmussen, and A. Alù, Compressibility-Near-Zero Acoustic Radiation, Physical Review Applied, 2021, 15 (2), 024022. 

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, 2021, 118 (5), 053302. 

N. Jankovic, and A. Alù, Glide-Symmetric Acoustic Waveguides for Extreme Sensing and Isolation, Physical Review Applied, 2021, 15 (2), 024004. 

A. Bergman, R. Duggan, K. Sharma, M. Tur, A. Zadok, A. Alù. Observation of Anti-Parity-Time-Symmetry, Phase  Transitions and Exceptional Points in an Optical Fibre. Nature Communications, 2021, 12 (1), 1-9.

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, 2021, 103 (5), 045416.

J. Li, M. Wang, Z. Wu, H. Li, G. Hu, T. Jiang, J. Guo, Y. Liu, K. Yao, Z. Chen, J. Fang, D. Fan, B.A. Korgel, A. Alù, Y. Zheng. Tunable Chiral Optics in All-Solid-Phase Reconfigurable Dielectric Nanostructures. Nano Letters, 2020, 21, 2, 973-979. DOI: dx.doi.org/10.1021/acs.nanolett.0c03957.s001

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, (2020), (invited paper). 

H. Li, and A. Alù, “Temporal Switching to Extend the Bandwidth of Thin Absorbers,” Optica, Vol. 8, No. 1, pp. 24-29 (2020). 

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 (2020). 

F. Zangeneh-Nejad, A. Alù, and R. Fleury, “Topological Wave Insulators: A Review,” Comptes Rendus Physique, Vol. 21, No. 4-5, pp. 467-499, (2020) (invited paper). 

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 (2020).  

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 (2020) 

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, (2020). 

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 (2020) 

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 (2020). 

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 (2020). 

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, (2020). 

A. Alù, “Metamaterials for Next-Generation Communication Systems,” IEEE ComSoc Technology News, (2020). 

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 (2020). 

A. Alù, “Magnet-Free Nonreciprocity,” Proceedings of IEEE, Vol. 108, No. 10, pp. 1682-1683, (2020), (invited paper) 

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), (2020). 

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 (2020). 

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 (2020) 

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, (2020). 

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 (2020). 

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,  (2020) (invited paper). 

H. Li, H. Moussa, D. Sounas, and A. Alù, “Parity-Time Symmetry Based on Time Modulation,” Physical Review Applied, Vol. 14, No. 3, 031002 (2020). 

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, ( 2020), (invited paper).

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, (2020). 

T. E. Rimpiläinen, A. Alù, and A. H. Sihvola, “Implementing Radial Anisotropy with Self-Similar Structures,” Physical Review B, Vol. 102, No. 8, 085141 (2020). 

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 (2020).  

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(2020). 

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 (2020). 

Y. Mazor, and A. Alù, “Routing Optical Spin and Pseudospin with Metasurfaces,” Physical Review Applied, Vol. 14, No. 1, 014029 (2020). 

M. Moccia, G. Castaldi, A. Alù, and V. Galdi, “Line Waves in Non-Hermitian Metasurfaces,” ACS Photonics, Vol. 7, No. 8, pp. 2064-2072, (2020). 

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 (2020). 

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 (2020).  

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 (2020).  

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 (2020).  

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 (2020). 

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 (2020).

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, (2020). 

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, 2020, 9(5), 1189-1241., (invited paper). 

H. Li, A. Mekawy, A. Krasnok, and A. Alù, “Virtual Parity-Time Symmetry,” Physical Review Letters, Vol. 124, No. 19, 193901 (2020). 

Y. Radi, A. Krasnok and A. Alù, “Virtual Critical Coupling,” ACS Photonics, Vol. 7, No. 6, pp. 1468-1475, (2020). 

X.. Ni, M. Li, M. Weiner, A. Alù, and A. B. Khanikaev, “Demonstration of a Quantized Acoustic Octupole Topological Insulator,” Nature Communications, Vol. 11, No. 2108 (2020). 

A. Alù, J. Chennupati, and H. V. Demir “Active Nanophotonics[Scanning Issues],” Proceedings of IEEE, Vol. 108, No. 5, pp. 625-627, 2020, (invited paper).  

A. Alù, J. Chennupati, and H. V. Demir Active Nanophotonics, Proceedings of IEEE, 2020, 108 (5),  625-627, (invited paper).  

Y. Ra'di, and A. Alù., “Nonreciprocal Wavefront Manipulation in Synthetically Moving Metagratings,” Photonics, Special Issue for Metamaterials 2019, Vol. 7, No. 2, 28 (2020) (invited paper).  

G. Hu, A. Krasnok, Y. Mazor, C. W. Qiu, and A. Alù,  Moiré hyperbolic metasurfaces. Nano letters, Vol. 20, No. 5, pp. 3217-3224, (2020).

X. Wang, A. Diaz-Rubio, H. Li, S. A. Tretyakov, and A. Alù, “Theory and Design of Multifunctional Space-Time Metasurfaces,” Physical Review Applied, Vol. 13, No. 4, 044040 (2020).

M. Kang, Y. Radi, D. Farfan, and A. Alù, “Efficient Focusing with Large Numerical Aperture Using a Hybrid Metalens,” Physical Review Applied, Vol. 13, 04416 (2020).

X. Hong, G. Hu, W. Zhao, K. Wang, S. Sun, R. Zhu, J. Wu, W. Liu, L. K. P. Loh, A. T. S. Wee, B. Wang, A. Alù, C. W. Qiu, and P. Lu, “Structuring Nonlinear Wavefront Emitted from Monolayer Transition-Metal Dichalcogenides,” Research, Vol. 2020, 9085782 (2020). 

F. Uleman, V. Neder, A. Cordaro, A. Alù, and A. Polman, “Resonant Metagratings for Spectral and Angular Control of Light for Colored Rooftop Photovoltaics,” ACS Applied Energy Materials, Vol. 3, No. 4, pp. 3150-3156, (2020).  

P. Osewski, A. Belardini, M. Centini, C. Valagiannopoulos, G. Leahu, R. Li Voti, M. Tomczyk, A. Alù, D. A. Pawlak, and C. Sibilia, “New Self-Organization Route to Tunable Narrowband Optical Filters and Polarizers Demonstrated with ZnO-ZnWO4 Eutectic Composite,” Advanced Optical Materials, Vol. 8, No. 7, 1901617 (2020).

L. J. Fernández-Alcázar, H. Li, F. Ellis, A. Alù, and T. Kottos, “Robust Scattered Fields from Adiabatically Driven Targets around Exceptional Points,” Physical Review Letters, Vol. 124, No. 13, 133905 (2020). 

M. Weiner, X. Ni, M. Li, A. Alù, and A. Khanikaev, “Demonstration of a Third-Order Hierarchy of Topological States in a Three-Dimensional Acoustic Metamaterial,” Science Advances, Vol. 6, No. 13, 4166 (2020). 

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, (2020).  

Z. L. Deng, M. Jin, X. Ye, S. Wang, T. Shi, J. Deng, N. Mao, Y. Cao, B. O. Guan, A. Alù, G. Li, and X. Li, “Full-Color Complex-Amplitude Vectorial Holograms Based on Multi-Freedom Metasurfaces,” Advanced Functional Materials, Vol. 30, No. 21, 1910610  (2020). 

G. Hu, J. Shen, C. W. Qiu, A. Alù, and S. Dai, “Phonon Polaritons and Hyperbolic Response in Van Der Waals Materials,” Advanced Optical Materials, Special Issue on Polaritons in Nanomaterials, Vol. 8, No. 5, 1901393 (2020), (invited paper)

A. Iyer, A. Alù, and A. Epstein, “Metamaterials and Metasurfaces—Historical Context, Recent Advances, and Future Directions,” IEEE Transactions on Antennas and Propagation, Special Issue on Recent Advances in Metamaterials and Metasurfaces, Vol. 68, No. 3,  1223-1231,  (2020) (invited paper).

M. Barbuto, M. A. Miri, A. Alù, F. Bilotti, and A. Toscano, “A Topological Design Tool for the Synthesis of Antenna Radiation Patterns,” IEEE Transactions on Antennas and Propagation, Special Issue on Recent Advances in Metamaterials and Metasurfaces, Vol. 68, No. 3, (2020).  

D. Ramaccia, D.L. Sounas, A. Alù, A. Toscano, F. Bilotti. Phase-induced frequency conversion and doppler effect with time-modulated metasurfaces. IEEE Transactions on Antennas and Propagation, 68, 3, 1607-1617, (2020)

A. Monti, A. Alù, A. Toscano, and F. Bilotti, “Surface Impedance Modeling of All-Dielectric Metasurfaces,” IEEE Transactions on Antennas and Propagation, Special Issue on Recent Advances in Metamaterials and Metasurfaces, Vol. 68, No. 3, 1799-1811, (2020).

A. Casolaro, A. Toscano, A. Alù, F. Bilotti. Dynamic beam steering with reconfigurable metagratings. IEEE Transactions on Antennas and Propagation, 68, 3, 1542-1552 (2020) (invited paper).

P. Abdipour, A. N. Askarpour, and A. Alù, “Metasurface Manipulation of Goos-Hänchen and Imbert-Fedorov Shifts,” IEEE Transactions on Antennas and Propagation, Special Issue on Recent Advances in Metamaterials and Metasurfaces, Vol. 68, No. 3, 1523-1532, (2020). 

M. Moccia, G. Castaldi, A. Alù, V. Galdi. Harnessing spectral singularities in non-Hermitian cylindrical structures. IEEE Transactions on Antennas and Propagation, 68, 3, 1704-1716 (2019).

M. Farhat, P. Y. Chen, H. Bagci, K. N. Salama, A. Alù, and S. Guenneau, “Scattering Theory and Cancellation of Gravity-Flexural Waves of Floating Plates,” Physical Review B, Vol. 101, No. 1, 014307  (2020).

K. Chen, G. Ding, G. Hu, Z. Jin, J. Zhao, Y. Feng, T. Jiang, A. Alù, C. Qiu. Directional janus metasurface. Advanced Materials, Vol. 32, No. 2, 1906352 (2020).

D.V. Yakimchuk, E.Y. Kaniukov, S. Lepeshov, V.D. Bundyukova, S.E. Demyanov, G.M. Arzumanyanm, N.V. Doroshkevich, K.Z. Mamatkulov, A. Bochmann, M. Presselt, O. Stranik, S.A. Khubezhov, A.E. Krasnok, A. Alù, V.A. Sivakov. Self-organized spatially separated silver 3D dendrites as efficient plasmonic nanostructures for surface-enhanced Raman spectroscopy applications. Journal of Applied Physics, 126, 23, 233105 (2019)

L. Quan, A. Alù. Hyperbolic sound propagation over nonlocal acoustic metasurfaces. Physical review letters, 123, 24, 244303 (2019).

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, (2020).  

M. Li, D. Zhirihin, M. Gorlach, X. Ni, D. Filonov, A. Slobozhanyuk, A. Alù, and A. B. Khanikaev, “Higher-Order Topological States in Photonic Kagome Crystals with Long-Range Interactions,” Nature Photonics, Vol. 14, 89-94, (2019).  

A. Krasnok, D. Baranov, H. Li, M. Miri, F. Monticone, A. Alú. Anomalies in Light Scattering. Advances in Optics and Photonics, 11, 4, 892-951, (2019)

Y. Yu, G. Michetti, M. Pirro, A. Kord, D.L. Sounas, Z. Xiao, C. Cassella, A. Alù, M. Rinaldi. Radio Frequency Magnet-free Circulators Based on Spatiotemporal Modulation of Surface Acoustic Wave Filters. IEEE Transactions on Microwave Theory and Techniques, 67, 12, 4773-4782 (2019).

Z. Xiao, Y. Ra’di, S. Tretyakov, A. Alù. Microwave tunneling and robust information transfer based on parity-time-symmetric absorber-emitter pairs. Research, Vol. 2019, No. 7108494, (2019).

Z. Xiao, H. Li, T. Kottos, A. Alù. Enhanced Sensing and Nondegraded Thermal Noise Performance Based on -Symmetric Electronic Circuits with a Sixth-Order Exceptional Point. Physical review letters, Vol. 123, No. 21, 213901 , (2019).

N. Cselyuszka, A. Alù, N. Janković. Spoof-fluid-spoof  Acoustic  Waveguide and its Applications for Sound Manipulation. Physical Review Applied, Vol. 12, No. 5, 054014, (2019).

A. Cordaro, H. Kwon, D. Sounas, A.F. Koenderink, A. Alù, A. Polman. High-index Dielectric Metasurfaces Performing Mathematical Operations. Nano letters, Vol. 19, No. 12, pp. 8418-8423, (2019)

Y. Yu, G. Michetti, A. Kord, M. Pirro, D.L. Sounas, Z. Xiao, C. Cassella, A. Alù, M. Rinaldi. Highly-Linear Magnet-Free Microelectromechanical Circulators. Journal of Microelectromechanical Systems, 28, 6, 933-940, (2019)

C. A. Valagiannopoulos, E. Marengo, A. Dimakis, and A. Alù. Aharonov-Bohm Tomographic Imaging. IET Antennas and Propagation, 2018, 12, 12, 1890-1894.

S. Dai, M. Tymchenko, Z. Q. Xu, T. T. Tran, Y. Yang, Q. Ma, K. Watanabe, T. Taniguchi, P. Jarillo-Herrero, I. Aharonovich, D. N. Basov, T. H. Tao, and A. Alù. Hyperbolic Phonon Polaritons in Suspended Hexagonal Boron Nitride. Nano Letters, 2019, 19, 2, 1009-1014.

M. A. Miri, and A. Alù. Exceptional Points in Optics and Photonics. Science, 2019, 363, 6422, 42.

Y. Mazor, and A. Alù. Non-Reciprocal Hyperbolic Propagation over Moving Metasurfaces. Physical Review B, 2019, 99, 4, 045407. (arxiv)

S. A. Mann, D. L. Sounas, A. Alù. Nonreciprocal Cavities and the Time-Bandwidth Limit. Optica, 2019, 6, 1, 104-110. (arxiv)

S. Kang, Z. Qian, V. Rajaram, S. D. Calisgan, A. Alù, and M. Rinaldi. Ultra-Narrowband Metamaterial Absorbers for High Spectral Resolution Infrared Spectroscopy. Advanced Optical Materials, 2019, 7, 2, 1801236.

A. Slobozhanyuk, A. V. Shchelokova, X. Ni, S. H. Mousavi, D. A. Smirnova, P. A. Belov, A. Alù, Y. S. Kivshar, and A. B. Khanikaev. Near-Field Imaging of Spin-Locked Edge States in an All-Dielectric Topological Metasurfaces. Applied Physics Letters, 2019, 114, 3, 031103. (arxiv)

H. Kwon, H. Chalabi, and A. Alù. Refractory Brewster Metasurfaces Control the Frequency and Angular Spectrum of Light Absorption. Nanomaterials and Nanotechnology, Special Issue on Recent Advances and Trends in Optical Metamaterials and Metasurfaces, 2019, 9, 1-7.(invited paper)

S. Dai, J. Quan, G. Hu, C. W. Qiu, T. H. Tao, X. Li, and A. Alù. Hyperbolic Phonon Polaritons in Suspended Hexagonal Boron Nitride. Nano Letters, 2019, 19, 2, 1009-1014.

L. Sun, C. Y. Wang, A. Krasnok, J. Choi, J. Shi, J. S. Gomez-Diaz, A. Zepeda, S. Gwo, C. K. Shih, A. Alù, and X. Li. Separation of Valley Excitons in a MoS2 Monolayer Using a Subwavelength Asymmetric Groove Array. Nature Photonics, 2019, 13, 3, 180-184. (RedCube, arxiv)

Y. Liu, Z. Liang, J. Zhu, L. Xia, O. Mondain-Monval, T. Brunet, A. Alù, and J. Li. Willis Metamaterial on a Structured Beam. Physical Review X, 2019, 9, 1, 011040. (arxiv)

J. Zhao, X. Yang, J. Y. Dai, Q. Cheng, X. Li, N. H. Qi, J. C. Ke, G. D. Bai, S. Liu, S. Jin, A. Alù, and T. J. Cui. Programmable Time-Domain Digital Coding Metasurface for Nonlinear Harmonic Manipulation and New Wireless Communication Systems. National Science Review, 2019, 6, 2, 231-238. (press release)

D. J. Ironside, R. Salas, P. Y. Chen, K. Q. Le, A. Alù, and S. R. Bank. Enhancing THz Generation in Photomixers Using a Metamaterial Approach. Optics Express, 2019, 27, No. 7, pp. 9481-9494.

S. Lepeshov, A. Krasnok, and A. Alù. Enhanced Excitation and Emission from 2D Transition Metal Dichalcogenides with All–Dielectric Nanoantennas. Nanotechnology, Focus Collection on Nanophotonics and Nano-Optics, 2019, 30, 25, 254004. (invited paper). (arxiv)

L. Li, H. Ruan, C. Liu, Y. Li, Y. Shuang, P. K. Liu, C. W. Qiu, A. Alù, and T. J. Cui. Machine-Learning Reprogrammable Metasurface Imager. Nature Communications, 2019, 10, 1082. (RedCube)

S. Peng, N. J. Schilder, X. Ni, J. van de Groep, M. L. Brongersma, A. Alù, A. Khanikaev, H. A. Atwater, and A. Polman. Probing the Band Structure of Topological Silicon Photonic Lattices in the Visible Spectrum. Physical Review Letters, 2019, 122, No. 11, 117401.

L. Lin, S. Lepeshov, A. Krasnok, T. Jiang, X. Peng, B. A. Korgel, A. Alù, and Y. Zheng. All-Optical Reconfigurable Chiral Metamolecules. Materials Today, 2019, 25, 10-20.

H. Esfahlani, M. S. Byrne, M. McDermott, and A. Alù. Acoustic Supercoupling in a Zero-Compressibility Waveguide. Research, 2019, 2019, 2457870, (invited paper). (arxiv)

M. Cotrufo, L. Sun, J. Choi, A. Alù, and X. Li. Enhancing Functionalities of Atomically Thin Semiconductors with Plasmonic Nanostructures. Nanophotonics, 2019, 8, 4, 577-598. (invited paper)

T. Mukhopadhyay, S. Adhikari, and A. Alù. Theoretical Limits for Negative Elastic Moduli in Sub-Acoustic Lattice Materials. Physical Review B, 2019, 99, 9, 094108.

A. Monti, A. Alù, A. Toscano, and F. Bilotti. Design of Optical Circuit-Analog Absorbers Through Electrically Small Nanoparticles. Photonics, Special Issue on Metamaterials for Advanced Photonic and Plasmonic Applications – Selected Papers from Metamaterials’2018, 2019, 6, 1, 26. (invited paper)

M. Cotrufo, and A. Alù. Excitation of Single-Photon Embedded Eigenstates in Coupled Cavity-Atom Systems. Optica, 2019, 6, 6, 799-804 (arxiv, press release)

D. G. Baranov, Y. Xiao, I. A. Nechepurenko, A. Krasnok, A. Alù, and M. Kats. Nanophotonic Engineering of Far-Field Thermal Emitters. Nature Materials, 2019, 18, 920-930. (arxiv)

Li, X. Ni, M. Weiner, A. Alù, and A. B. Khanikaev. Topological Phases and Nonreciprocal Edge States in Non-Hermitian Floquet Insulators. Physical Review B, 2019, Vol. 100, No. 4, 045423 (arxiv)

L. Quan, D. L. Sounas, and A. Alù. Non-Reciprocal Willis Coupling in Zero-Index Moving Media. Physical Review Letters, 2019, 123, 6, 064301. (arxiv)

Y. Mazor, and A. Alù. Angular-Momentum Selectivity and Asymmetry in Highly Confined Wave Propagation Along Sheath-Helical Metasurface Tubes. Physical Review B, 2019, 99, No. 15, 155425 (arxiv)

M. Wang, Z. Wu, A. Krasnok, T. Zhang, M. Liu, H. Liu, L. Scarabelli, L. M. Liz-Marzán, M. Terrones, A. Alù, and Y. Zheng. Dark-Exciton-Mediated Fano Resonance from a Single Gold Nanostructure Deposited on Monolayer WS2 at Room Temperature. Small, 2019, 15, 31, 1900982. (arxiv)

A. Melnikov, L. Quan, S. Oberst, A. Alù, S. Marburg, and D. Powell. Acoustic Meta-Atom with Maximum Willis Coupling. Nature Communications, 2019, 10, 3148. (arxiv)

M. Farhat, S. Guenneau, P.-Y. Chen, A. Alù, and K. N. Salama. Scattering Cancellation based Cloaking for the Maxwell-Cattaneo Heat Waves. Physical Review Applied, 2019, 11, 4, 044089. (arxiv)

M. Weiner, X. Ni, M. Li, A. Alù, and A. Khanikaev. Demonstration of a Third Order Hierarchy of Higher-Order Topological States in a Three-Dimensional Acoustic Metamaterial. under review, since January 2019. (arxiv)

Mazor, and A. Alù. One-Way Hyperbolic Metasurfaces Based on Synthetic Motion. IEEE Transactions on Antennas and Propagation, Special Issue on Recent Advances in Metamaterials and Metasurfaces, 2019, in press. (arxiv)

A. Kord, M. Tymchenko, D. L. Sounas, H. Krishnaswamy, and A. Alù. CMOS Integrated Magnetless Circulators Based on Cyclic-Symmetric Angular-Momentum Biasing. IEEE Transactions on Microwave Theory and Techniques, 2019, 67, 7, 2649-2662. (arxiv)

H. Li, A. Mekawy, A. Alù. Beyond Chu’s limit with Floquet Impedance Matching. Physical review letters,Vol. 123, No. 16, 164102, (2019).

F. Monticone, D. Sounas, A. Krasnok, A. Alu. Can a Non-radiating Mode be Externally Excited? Nonscattering states Versus Embedded Eigenstates. ACS Photonics, 6, 12, 3108-3114, (2019)

R. Duggan, Y. Ra’di, A. Alu. Temporally and Spatially Coherent Emission from Thermal Embedded Eigenstates. ACS Photonics, 6, 11, 2949-2956, (2019)

X. Zhou, X. Lin, Z. Xiao, T. Low, A. Alù, B. Zhang, H. Sun. Controlling Photonic Spin Hall Effect via Exceptional Points. Physical Review B,Vol. 100, No. 11, 115429 (6 pages) (2019).

M. Barbuto, A. Bassotti, A. Alu, F. Bilotti, A. Toscano. On the Topological Robustness of Vortex Modes at Microwave Frequencies. Radio engineering, 28, 3, 499-504. (2019)

R. Duggan, D. Sounas, A. Alu. Optically Driven Effective Faraday Effect in Instantaneous Nonlinear Media. Optica, 6, 9, 1152-1157. (2019)

A. Kord, H. Krishnaswamy, A. Alù. Magnetless Circulators with Harmonic Rejection Based on N-Way Cyclic-Symmetric Time-Varying Networks. Physical Review Applied, 12, 2, 024046. (2019).

C.P. Wiederhold, D.L. Sounas, A. Alù. Nonreciprocal Acoustic Propagation and Leaky-Wave Radiation in a Waveguide with Flow. The Journal of the Acoustical Society of America, 146, 1, 802-809, (2019).

M. Tymchenko, D. Sounas, A. Nagulu, H. Krishnaswamy, A. Alù. Quasielectrostatic Wave Propagation Beyond the Delay-Bandwidth Limit in Switched Networks. Physical Review X,  Vol. 9, No. 3, 031015 ( (2019)

C. Cassella, G. Michetti, M. Pirro, Y. Yu, A. Kord, D.L. Sounas, A. Alú, M. Rinaldi. Radio Frequency Angular Momentum Biased Quasi-LTI Nonreciprocal Acoustic Filters. IEEE transactions on ultrasonics, ferroelectrics, and frequency control, Vol. 66, No. 11, pp. 1814-1825, (2019).

S.A. Mann, D.L. Sounas, A. Alù. Broadband Delay Lines and Nonreciprocal Resonances in Unidirectional Waveguides. Physical Review B, 100, 2, 020303, (2019).

N.A. Mortensen, S.I. Bozhevolnyi, A. Alu. Topological Nanophotonics. Nanophotonics, 8, 8, 1315-1317, (2019)

A. Melnikov, Y.K. Chiang, L. Quan, S. Oberst, A. Alù, S. Marburg, D. Powell. Acoustic Meta-atom With Experimentally Verified Maximum Willis Coupling. Nature communications, 10, 1, 1-7. (2019)

M. Miri, M. Cotrufo, A. Alù. Anomalous Optical Forces in PT-Symmetric Waveguides. Optics letters, 44, 14, 3558-3561, (2019)

S. Lepeshov, A. Krasnok, A. Alù. Nonradiative to Superscattering Switch with Phase-Change Materials. arXiv preprint arXiv:1904.11442, (2019)

R. Duggan, J.D. Pino, E. Verhagen, A. Alù. Optomechanically Induced Birefringence and Optomechanically Induced Faraday Effect. Physical review letters, 123, 2, 023602. (2019)

A. Alù. Active and Reconfigurable Metasurfaces. Roadmap on Metasurfaces, Journal of Optics, 21, 073002. (2019).

A. Kord, M. Tymchenko, D.L. Sounas, H. Krishnaswamy, A. Alù. CMOS Integrated Magnetless Circulators Based on Spatiotemporal Modulation Angular-Momentum Biasing. IEEE Transactions on Microwave Theory and Techniques, 67, 7, 2649-2662 (2019)

L. Quan, A. Alù. Passive Acoustic Metasurface With Unitary Reflection Based on Nonlocality. Physical Review Applied, 11, 5, 054077, (2019)

G. D'Aguanno, D.L. Sounas, H.M. Saied, A. Alù. Nonlinearity-Based Circulator. Applied Physics Letters, 114, 18, 181102, (2019)

A. Krasnok, S. V. Li, S. Lepeshov, R. S. Savelev, D. G. Baranov, and A. Alù. All-Optical Switching and Unidirectional Plasmon Launching with Nonlinear Dielectric Nanoantennas. Physical Review Applied, 2018, 9, No. 1, 014015.

A. Krasnok, M. Caldarola, N. Bonod, and A. Alù. Spectroscopy and Biosensing with Optically Resonant Dielectric Nanostructures. Advanced Optical Materials, Special Issue for the 5th Anniversary, 2018, 6, 3, 1701094. (invited paper) (arxiv)

T. Koutserimpas, A. Alù, and R. Fleury. Parametric Amplification and Bidirectional Invisibility in PT-Symmetric Time-Floquet Systems. Physical Review A, 2018, 97, 1, 013839. (arxiv)

A. Kord, D. L. Sounas, and A. Alù. Reconfigurable Magnet-Less Circulators Based on Spatiotemporal Modulation of Bandstop Filters in a Delta Topology. IEEE Microwave Theory and Techniques, 2018, 66, 2, 911-926. (arxiv)

D.L. Sounas, J. Soric, and A. Alù. Broadband Passive Isolators Based on Coupled Nonlinear Resonances. Nature Electronics, 2018, 1, 113-119. (ShareIt)

K. Frizyuk, M. Hasan, A. Krasnok, A. Alù, and M. Petrov. Enhancement of Raman Scattering in Dielectric Nanostructures with Electric and Magnetic Mie Resonances. Physical Review B, 2018, 97, 8, 085414. (arxiv)

R. Fleury, D. L. Sounas, and A. Alù. Non-Reciprocal Optical Mirrors Based on Spatio-Temporal Acousto-Optic Modulation. Journal of Optics, Special Issue on Emerging Leaders, 2018, 20, 3, 034007. (invited paper) (arxiv)

A. Krasnok, M. Tymchenko, and A. Alù. Nonlinear Metasurfaces: A Paradigm Shift in Nonlinear Optics. Materials Today, 2018, 21, 1, 8-21. (invited paper) (arxiv)

A. Gorlach, X. Ni, D. A. Smirnova, D. Korobkin, D. Zhirihin, A. P. Slobozhanyuk, P. A. Belov, A. Alù, and A. B. Khanikaev. Far-Field Probing of Topological States in All-Dielectric Metasurfaces. Nature Communications, 2018, 9, 9090. (SharedIt, arxiv)

H. Kwon, H. Chalabi, and A. Alù. Broadband Absorption with Gradient Metasurfaces. EPJ Applied Metamaterials, Special Issue for Metamaterials 2017, 2018, 5, 4. (invited paper)

Y. Hadad, A. Khanikaev, and A. Alù. Self-Induced Topological Protection in Nonlinear Circuit Arrays. Nature Electronics, 2018, 1, 178-182.

Y. Radi, and A. Alù. Reconfigurable Metagratings. ACS Photonics, Special Issue on Ultra-Capacity Metasurfaces with Low Dimension and High Efficiency, 2018, 5, 5, 1779-1785. (invited paper)

S. Dai, M. Tymchenko, Y. Yang, Q. Ma, M. P. Vidal, K. Watanabe, T. Taniguchi, P. Jarillo-Herrero, M. M. Fogler, A. Alù, and D. N. Basov. Manipulation and Steering of Hyperbolic Surface Polaritons in Hexagonal Boron Nitride. Advanced Materials, 2018, 30, 16, 1706358.

D. Sounas, and A. Alù. Fundamental Bounds on the Operation of Nonlinear Fano Isolators. Physical Review B, 2018, 97, 11, 115431.

C. Qin, F. Zhou, Y. Peng, D. Sounas, X. Zhu, B. Wang, J. Dong, X. Zhang, A. Alù, and P. Lu. Spectrum Control through Discrete Frequency Diffraction in the Presence of Photonic Gauge Potentials. Physical Review Letters, 2018, 120, 13, 133901.

A. Krasnok, D. G. Baranov, A. Generalov, S. Li, and A. Alù. Coherently Enhanced Wireless Power Transfer. Physical Review Letters, 2018, 120, 14, 143901. (arxiv)

A. Christofi, Y. Kawaguchi, A. Alù, and A. Khanikaev. Giant Enhancement of Faraday Rotation Due to Electromagnetically Induced Transparency in All-Dielectric Magneto-Optical Metasurfaces. Optics Letters, 2018, 43, 8, 1838-1841.

M. A. Miri, G. D’Aguanno, and A. Alù. Optomechanical Frequency Combs. New Journal of Physics, 2018, 20, 043013.

S. Lepeshov, M. Wang, A. Krasnok, O. Kotov, T. Zhang, H. Liu, T. Jiang, B. Korgel, M. Terrones, Y. Zheng, and A. Alù. Tunable Resonance Coupling Between a Single Si Nanoparticle-Monolayer WS2 Structures. ACS Applied Materials and Interfaces, 2018, 10, 19, 16690-16697.

A. Monti, A. Alù, A. Toscano, and F. Bilotti. Metasurface-Based Anti-Reflection Coatings at Optical Frequencies. Journal of Optics, 2018, 20, 5, 055001.

F. Monticone, H. M. Doeleman, W. Den Hollander, A. F. Koenderink, and A. Alù. Trapping Light in Plain Sight: Embedded Photonic Eigenstates in Zero-Index Metamaterials. Laser and Photonics Reviews, 2018, 12, 5, 1700220. (arxiv)

S.Lepeshov, A. Gorodetsky, A. Krasnok, N. Toropov, T. A. Vartanyan, P. Belov, A. Alù, and E. U. Rafailov. Boosting Terahertz Photoconductive Antenna Performance with Optimised Plasmonic Nanostructures. Scientific Reports, 2018, 8, 6624. (arxiv)

X. Xu, H. Kwon, B. Gawlik, N. Mohammadi Estakhri, A. Alù, S. V. Sreenivasan, and A. Dodabalapur. Enhanced Photoresponse in Metasurface-Integrated Organic Photodetectors. Nano Letters, 2018, 18, 6, 3362-3367.

F. Ruesink, J. P. Mathew, M. A. Miri, A. Alù, and E. Verhagen. Optical Circulation in a Multimode Optomechanical Resonator. Nature Communications, 2018, 9, 1798. (arxiv)

X. Ni, D. Purtseladze, D. A. Smirnova, A. Slobozhanyuk, A. Alù, and A. B. Khanikaev. Spin and Valley Polarized One-Way Klein Tunneling in Photonic Topological Insulators. Science Advances, 2018, 4, 5, 8802. (arxiv)

P. Y. Chen, M. Sakhdari, M. Hajizadegan, Q. Cui, M. Cheng, R. El-Ganainy, and A. Alù. Generalized Parity-Time Symmetry Condition For Enhanced Sensor Telemetry. Nature Electronics, 2018, 5, 297-304,. (ReadIt, press release)

A. Krasnok, and A. Alù. Embedded Scattering Eigenstates Using Resonant Metasurfaces. Journal of Optics, Special Issue on New Materials for Nanophotonics, 2018, 20, 6, 064002 (invited paper). (arxiv)

M. Barbuto, M. A. Miri, A. Alù, F. Bilotti, and A. Toscano. Exploiting the Topological Robustness of Composite Vortices in Radiation Systems. Progress in Electromagnetics Research, 2018, 172, 39-50

M. Wang, A. Krasnok, T. Zhang, L. Scarabelli, H. Liu, Z. Wu, L. M. Liz-Marzán, M. Terrones, A. Alù, Y. Zheng. Tunable Fano Resonance and Plasmon-Exciton Coupling in Single Au Nanotriangles on Monolayer WS2 at Room Temperature. Advanced Materials, 2018, 30, 22, 1705779.

A. Kord. D. L. Sounas, and A. Alù. Pseudo-Linear-Time-Invariant Magnetless Circulators Based on Differential Spatio-Temporal Modulation of Resonant Junctions. IEEE Transactions on Microwave Theory and Techniques, 2018, 66, 6, 2731-2745. (arxiv)

H.M. Doeleman, F. Monticone, W. den Hollander, A. Alù, and A. F. Koenderink. Experimental Observation of a Polarization Vortex at an Optical Bound State in the Continuum. Nature Photonics, 2018, 12, 397-401.

A. Krasnok, S. Lepeshov, and A. Alù. Nanophotonics with 2D Transition Metal Dichalcogenides. Optics Express, Special Issue for the 20th Anniversary of Optics Express, 2018, 26, 12, 15972-15994 (invited paper). (arxiv)

A. Alù, and H. Krishnaswamy. Artificial Nonreciprocal Photonic Materials at GHz-to-THz Frequencies. MRS Bulletin, Special Issue on Materials for Nonreciprocal Photonics, 2018, 43, 6, 436-442 (invited paper).

L. Quan, Y. Radi, D. L. Sounas, and A. Alù. Maximum Willis Coupling in Acoustic Scatterers. Physical Review Letters, 2018, 120, 25, 254301. (arxiv)

F. Monticone, and A. Alù. Enhanced Focusing and Imaging Based on Parity-Time Symmetry and Nonlocality. FERMAT, 2018, 23, 2.

G. Moreno, A. B. Yakovlev, H. M. Bernety, D. H. Werner, H. Xin, A. Monti, F. Bilotti, and A. Alù. Wideband Elliptical Metasurface Cloaks in Printed Antenna Technology. IEEE Transactions on Antennas and Propagation, 2018, 66, 7, 3512-3525.

A. Krasnok, and A. Alù. Valley-Selective Response of Nanoantennas Coupled to 2D Transition-Metal Dichalcogenides. Applied Sciences, Special Issue on Nano-Antennas, 2018, 8, 7, 1157 (invited paper). (arxiv)

M. Seaton, A. Krasnok, A. S. Bracker, A. Alù, and Y. Wu. Localized All-Optical Control of Single Semiconductor Quantum Dots Through Plasmon-Polariton-Induced Screening. Advanced Optical Materials, 2018, 6, 15, 1800345. (arxiv)

Y. Radi, C. A. Valagiannopoulos, A. Alù, C. R. Simovski, and S. A. Tretyakov. On-Site Wireless Power Generation. IEEE Transactions on Antennas and Propagation, 2018, 66, 8, 4260-4268. (arxiv)

A. Kord, D. L. Sounas, Z. Xiao, and A. Alù. Broadband Cyclic-Symmetric Magnet-less Circulators and Theoretical Bounds on their Bandwidth. IEEE Transactions on Microwave Theory and Techniques, Special Issue for the 2018 International Microwave Symposium, 2018, 66, 12, 5472-5481. (arxiv)

A. Nagulu, T. Dinc, Z. Xiao, M. Tymchenko, D. Sounas, A. Alù, and H. Krishnaswamy. Nonreciprocal Components Based on Switched Transmission Lines. IEEE Transactions on Microwave Theory and Techniques, 2018, 66, 11, 4706-4725. (arxiv)

Z. Li, Q. Dai, M. Mehmood, G. Hu, B. Lukyanchuk, J. Tao, C. Hao, I. Kim, H. Jeong, G. Zheng, S. Yu, A. Alù, J. Rho, C. W. Qiu. Full-Space Cloud of Random Points with a Scrambling Metasurface. Light: Science & Applications, 2018, 7, No. 63.

D. V. Yakimchuk, E. Y. Kaniukov, S. I. Lepeshov, V. D. Bundyukova, S. E. Demyanov, G. M. Arzumanyan, N. V. Doroshkevich, K. Z. Mamatkulov, A. Alù, A. Bochmann, M. Presselt, O. Stranik, A. Krasnok, and V. Sivakov. Spatially Separated Self-Assembled Silver Dendrites for Highly Sensitive SERS Applications. under review, since November 2018. (arxiv)