Publications

Our foundation-sponsored research publications in year one consisted of 85 journal papers published in several high-profile journals, including three Nature, nine Nature sub-journals, nine Physical Review Letters, three PNAS, three Optica, and two Proc. IEEE. Our work has been featured on eight journal covers this year, in four press releases, and it has been selected as Editor’s Pick three times.

1. Banerjee, D., Vitelli, V., Jülicher, F., & Surówka, P. (2021). Active Viscoelasticity of Odd Materials. Physical Review Letters, 126(13), 138001. https://doi.org/10.1103/PhysRevLett.126.138001

2. Abbaszadeh, H., Fruchart, M., Saarloos, W. van, & Vitelli, V. (2021). Liquid-crystal-based topological photonics. Proceedings of the National Academy of Sciences, 118(4), 2021. https://doi.org/10.1073/PNAS.2020525118

3. Fruchart, M., Hanai, R., Littlewood, P. B., & Vitelli, V. (2021). Non-reciprocal phase transitions. Nature 2021 592:7854, 592(7854), 363–369. https://doi.org/10.1038/s41586-021-03375-9

4. Fallah, A., Kiasat, Y., Silveirinha, M. G., & Engheta, N. (2021). Nonreciprocal guided waves in the presence of swift electron beams. Physical Review B, 103(21), 214303. https://doi.org/10.1103/PhysRevB.103.214303

5. Huidobro, P. A., Silveirinha, M. G., Galiffi, E., & Pendry, J. B. (2021). Homogenization Theory of Space-Time Metamaterials. Physical Review Applied, 16(1), 014044. https://doi.org/10.1103/PhysRevApplied.16.014044

6. Morgado, T. A., & Silveirinha, M. G. (2021). Active Graphene Plasmonics with a Drift-Current Bias. ACS Photonics, 8(4), 1129–1136. https://doi.org/10.1021/ACSPHOTONICS.0C01890

7. Fernández-Alcázar, L. J., Kononchuk, R., Li, H., & Kottos, T. (2021). Extreme Nonreciprocal Near-Field Thermal Radiation via Floquet Photonics. Physical Review Letters, 126(20), 204101. https://doi.org/10.1103/PhysRevLett.126.204101

8. Kononchuk, R., Feinberg, J., Knee, J., & Kottos, T. (2021). Enhanced avionic sensing based on Wigner’s cusp anomalies. Science Advances, 7(23). https://doi.org/10.1126/SCIADV.ABG8118

9. Mencagli, M. J., Sounas, D. L., Fink, M., & Engheta, N. (2021). Static-to-dynamic field conversion with time-varying media. https://arxiv.org/abs/2107.11420v1

10. Castaldi, G., Pacheco-Peña, V., Moccia, M., Engheta, N., & Galdi, V. (2021). Exploiting space-time duality in the synthesis of impedance transformers via temporal metamaterials. Nanophotonics, 10(14), 3687–3699. https://doi.org/10.1515/NANOPH-2021-0231

11. Ramaniuk, A., Christodoulides, D. N., Assanto, G., Trippenbach, M., Jung, P. S., Krolikowski, W., Krolikowski, W., & Assanto, G. (2021). Scalar and vector supermode solitons owing to competing nonlocal nonlinearities. Optics Express, Vol. 29, Issue 6, Pp. 8015-8023, 29(6), 8015–8023. https://doi.org/10.1364/OE.417352

12. Christodoulides, D. N., Wise, F. W., Pourbeyram, H., & Wu, Y. (2021). Weak beam self-cleaning of femtosecond pulses in the anomalous dispersion regime. Optics Letters, Vol. 46, Issue 13, Pp. 3312-3315, 46(13), 3312–3315. https://doi.org/10.1364/OL.430926

13. Wu, F. O., Jung, P. S., Parto, M., Khajavikhan, M., & Christodoulides, D. N. (2020). Entropic thermodynamics of nonlinear photonic chain networks. Communications Physics 2020 3:1, 3(1), 1–7. https://doi.org/10.1038/s42005-020-00484-1

14. Zareei, A., Medina, E., & Bertoldi, K. (2021). Harnessing Mechanical Deformation to Reduce Spherical Aberration in Soft Lenses. Physical Review Letters, 126(8), 084301. https://doi.org/10.1103/PhysRevLett.126.084301

15. Li, S., Deng, B., Grinthal, A., Schneider-Yamamura, A., Kang, J., Martens, R. S., Zhang, C. T., Li, J., Yu, S., Bertoldi, K., & Aizenberg, J. (2021). Liquid-induced topological transformations of cellular microstructures. Nature 2021 592:7854, 592(7854), 386–391. https://doi.org/10.1038/s41586-021-03404-7

16. Castaldi, G., Pacheco-Peña, V., Moccia, M., Engheta, N., & Galdi, V. (2021). Exploiting space-time duality in the synthesis of impedance transformers via temporal metamaterials. Nanophotonics. https://doi.org/10.1515/NANOPH-2021-0231

17. Mencagli, M. J., Sounas, D. L., Fink, M., & Engheta, N. (2021). Static-to-dynamic field conversion with time-varying media. https://arxiv.org/abs/2107.11420v1

18. Pacheco-Peña, V., & Engheta, N. (2021). Temporal metamaterials with gain and loss. https://arxiv.org/abs/2108.01007v1

19. Suwunnarat, S., Tang, Y., Reisner, M., Mortessagne, F., Kuhl, U., & Kottos, T. (2021). Towards a Broad-Band Coherent Perfect Absorption in systems without Scale-Invariance. https://arxiv.org/abs/2103.03668v1

20. Shi, C., Kottos, T., & Shapiro, B. (2021). Controlling optical beam thermalization via band-gap engineering. Physical Review Research, 3(3), 033219. https://doi.org/10.1103/PhysRevResearch.3.033219

21. Li, Y., Cohen, D., & Kottos, T. (2021). Enforcing Levy relaxation for multi-mode fibers with correlated disorder. https://arxiv.org/abs/2107.03028v1

22. Silveirinha, M. G. (2021). Time-Crystal Model of the Electron Spin. https://arxiv.org/abs/2107.12158v2

23. Bender, C. M., & Hook, D. W. (2021). $PT$-symmetric classical mechanics. PT Symmetry, 107–132. https://arxiv.org/abs/2103.04214v1

24. Felski, A., Bender, C. M., Klevansky, S. P., & Sarkar, S. (2021). Towards perturbative renormalization of <math xmlns. Physical Review D, 104(8), 085011. https://doi.org/10.1103/PhysRevD.104.085011

25. Bender, C. M., Felski, A., Klevansky, S. P., & Sarkar, S. (2021). PT Symmetry and Renormalisation in Quantum Field Theory. https://arxiv.org/abs/2103.14864v1

26. Nassar, H., Yousefzadeh, B., Fleury, R., Ruzzene, M., Alù, A., Daraio, C., Norris, A. N., Huang, G., & Haberman, M. R. (2020). Nonreciprocity in acoustic and elastic materials. Nature Reviews Materials 2020 5:9, 5(9), 667–685. https://doi.org/10.1038/s41578-020-0206-0

27. Zhang, Z., Kang, M., Zhang, X., Feng, X., Xu, Y., Chen, X., Zhang, H., Xu, Q., Tian, Z., Zhang, W., Krasnok, A., Han, J., & Alù, A. (2020). Coherent Perfect Diffraction in Metagratings. Advanced Materials, 32(36), 2002341. https://doi.org/10.1002/ADMA.202002341

28. Li, H., Moussa, H., Sounas, D., & Alù, A. (2020). Parity-time Symmetry Based on Time Modulation. Physical Review Applied, 14(3), 031002. https://doi.org/10.1103/PhysRevApplied.14.031002

29. Galiffi, E., Wang, Y.-T., Lim, Z., Pendry, J. B., Alù, A., & Huidobro, P. A. (2020). Wood Anomalies and Surface-Wave Excitation with a Time Grating. Physical Review Letters, 125(12), 127403. https://doi.org/10.1103/PhysRevLett.125.127403

30. Duggan, R., Mann, S. A., & Alù, A. (2020). Nonreciprocal photonic topological order driven by uniform optical pumping. Physical Review B, 102(10), 100303. https://doi.org/10.1103/PhysRevB.102.100303

31. Wang, M., Krasnok, A., Lepeshov, S., Hu, G., Jiang, T., Fang, J., Korgel, B. A., Alù, A., & Zheng, Y. (2020). Suppressing material loss in the visible and near-infrared range for functional nanophotonics using bandgap engineering. Nature Communications 2020 11:1, 11(1), 1–9. https://doi.org/10.1038/s41467-020-18793-y

32. Li, A., Dong, J., Wang, J., Cheng, Z., Ho, J. S., Zhang, D., Wen, J., Zhang, X.-L., Chan, C. T., Alù, A., Qiu, C.-W., & Chen, L. (2020). Hamiltonian Hopping for Efficient Chiral Mode Switching in Encircling Exceptional Points. Physical Review Letters, 125(18), 187403. https://doi.org/10.1103/PhysRevLett.125.187403

33. Zangeneh-Nejad, F., Alù, A., & Fleury, R. (2020). Topological wave insulators: a review. Comptes Rendus. Physique, 21(4–5), 467–499. https://doi.org/10.5802/CRPHYS.3

35. Alù, A., Li, H., & Alù, A. (2021). Temporal switching to extend the bandwidth of thin absorbers. Optica, Vol. 8, Issue 1, Pp. 24-29, 8(1), 24–29. https://doi.org/10.1364/OPTICA.408399

36. Mekawy, A., & Alù, A. (2021). Giant midinfrared nonlinearity based on multiple quantum well polaritonic metasurfaces. Nanophotonics, 10(1), 667–678. https://doi.org/10.1515/NANOPH-2020-0408

37. Tymchenko, M., Nagulu, A., Krishnaswamy, H., & Alu, A. (2021). Universal Frequency-Domain Analysis of N-Path Networks. IEEE Transactions on Circuits and Systems I: Regular Papers, 68(2), 569–580. https://doi.org/10.1109/TCSI.2020.3040592

38. Bergman, A., Duggan, R., Sharma, K., Tur, M., Zadok, A., & Alù, A. (2021). Observation of anti-parity-time-symmetry, phase transitions and exceptional points in an optical fibre. Nature Communications 2021 12:1, 12(1), 1–9. https://doi.org/10.1038/s41467-020-20797-7

39. Li, J., Wang, M., Wu, Z., Li, H., Hu, G., Jiang, T., Guo, J., Liu, Y., Yao, K., Chen, Z., Fang, J., Fan, D., Korgel, B. A., Alù, A., & Zheng, Y. (2020). Tunable Chiral Optics in All-Solid-Phase Reconfigurable Dielectric Nanostructures. Nano Letters, 21(2), 973–979. https://doi.org/10.1021/ACS.NANOLETT.0C03957

40. Xu, X., Kwon, H., Finch, S., Lee, J. Y., Nordin, L., Wasserman, D., Alù, A., & Dodabalapur, A. (2021). Reflecting metagrating-enhanced thin-film organic light emitting devices. Applied Physics Letters, 118(5), 053302. https://doi.org/10.1063/5.0034573

41. Janković, N., & Alù, A. (2020). Glide-Symmetric Acoustic Waveguides for Extreme Sensing and Isolation. Physical Review Applied, 15(2). https://doi.org/10.1103/physrevapplied.15.024004

42. Rasmussen, C., & Alù, A. (2021). Compressibility-Near-Zero Acoustic Radiation. Physical Review Applied, 15(2), 024022. https://doi.org/10.1103/PhysRevApplied.15.024022

43. Overvig, A., Yu, N., & Alù, A. (2021). Chiral Quasi-Bound States in the Continuum. Physical Review Letters, 126(7), 073001. https://doi.org/10.1103/PhysRevLett.126.073001

44. Esfahlani, H., Mazor, Y., & Alù, A. (2021). Homogenization and design of acoustic Willis metasurfaces. Physical Review B, 103(5), 054306. https://doi.org/10.1103/PhysRevB.103.054306

45. Ramaccia, D., Alù, A., Toscano, A., & Bilotti, F. (2021). Temporal multilayer structures for designing higher-order transfer functions using time-varying metamaterials. Applied Physics Letters, 118(10), 101901. https://doi.org/10.1063/5.0042567

46. Overvig, A., & Alù, A. (2021). Wavefront-selective Fano resonant metasurfaces. Https://Doi.Org/10.1117/1.AP.3.2.026002, 3(2), 026002. https://doi.org/10.1117/1.AP.3.2.026002

47. Mann, S. A., Mekawy, A., & Alù, A. (2021). Broadband Field Localization, Density of States, and Nonlinearity Enhancement in Nonreciprocal and Topological Hotspots. Physical Review Applied, 15(3), 034064. https://doi.org/10.1103/PhysRevApplied.15.034064

48. Coppolaro, M., Moccia, M., Castaldi, G., Alu, A., & Galdi, V. (2021). Surface-Wave Propagation on Non-Hermitian Metasurfaces with Extreme Anisotropy. IEEE Transactions on Microwave Theory and Techniques, 69(4), 2060–2071. https://doi.org/10.1109/TMTT.2021.3057632

49. Barbuto, M., Alu, A., Bilotti, F., & Toscano, A. (2021). Dual-Circularly Polarized Topological Patch Antenna with Pattern Diversity. IEEE Access, 9, 48769–48776. https://doi.org/10.1109/ACCESS.2021.3068792

50. Alù, A., Qiu, C.-W., Hu, G., Alù, A., & Alù, A. (2021). Twistronics for photons: opinion. Optical Materials Express, Vol. 11, Issue 5, Pp. 1377-1382, 11(5), 1377–1382. https://doi.org/10.1364/OME.423521

51. Hu, G., Wang, M., Mazor, Y., Qiu, C.-W., & Alù, A. (2021). Tailoring Light with Layered and Moiré Metasurfaces. Trends in Chemistry, 3(5), 342–358. https://doi.org/10.1016/J.TRECHM.2021.02.004

52. Mekawy, A., Sounas, D. L., & Alù, A. (2021). Free-Space Nonreciprocal Transmission Based on Nonlinear Coupled Fano Metasurfaces. Photonics 2021, Vol. 8, Page 139, 8(5), 139. https://doi.org/10.3390/PHOTONICS8050139

53. Vakulenko, A., Kiriushechkina, S., Wang, M., Li, M., Zhirihin, D., Ni, X., Guddala, S., Korobkin, D., Alù, A., & Khanikaev, A. B. (2021). Near-Field Characterization of Higher-Order Topological Photonic States at Optical Frequencies. Advanced Materials, 33(18), 2004376. https://doi.org/10.1002/ADMA.202004376

54. Quan, L., Yves, S., Peng, Y., Esfahlani, H., & Alù, A. (2021). Odd Willis coupling induced by broken time-reversal symmetry. Nature Communications 2021 12:1, 12(1), 1–9. https://doi.org/10.1038/s41467-021-22745-5

55. Fang, J., Wang, M., Yao, K., Zhang, T., Krasnok, A., Jiang, T., Choi, J., Kahn, E., Korgel, B. A., Terrones, M., Li, X., Alù, A., & Zheng, Y. (2021). Directional Modulation of Exciton Emission Using Single Dielectric Nanospheres. Advanced Materials, 33(20), 2007236. https://doi.org/10.1002/ADMA.202007236

56. Mekawy, A., Li, H., Radi, Y., & Alù, A. (2021). Parametric Enhancement of Radiation from Electrically Small Antennas. Physical Review Applied, 15(5), 054063. https://doi.org/10.1103/PhysRevApplied.15.054063

57. Nefedkin, N., Alù, A., & Krasnok, A. (2021). Quantum Embedded Superstates. Advanced Quantum Technologies, 4(6), 2000121. https://doi.org/10.1002/QUTE.202000121

58. Rasmussen, C., Quan, L., & Alù, A. (2021). Acoustic nonreciprocity. Journal of Applied Physics, 129(21), 210903. https://doi.org/10.1063/5.0050775

59. Kawaguchi, Y., Li, M., Chen, K., Menon, V., Alù, A., & Khanikaev, A. B. (2021). Optical isolator based on chiral light-matter interactions in a ring resonator integrating a dichroic magneto-optical material. Applied Physics Letters, 118(24), 241104. https://doi.org/10.1063/5.0057558

60. Guddala, S., Kawaguchi, Y., Komissarenko, F., Kiriushechkina, S., Vakulenko, A., Chen, K., Alù, A., M. Menon, V., & Khanikaev, A. B. (2021). All-optical nonreciprocity due to valley polarization pumping in transition metal dichalcogenides. Nature Communications 2021 12:1, 12(1), 1–9. https://doi.org/10.1038/s41467-021-24138-0

61. Krasnok, A., Alú, A., Jankovic, N., Sakotic, Z., & Jankovic, N. (2021). Topological scattering singularities and embedded eigenstates for polarization control and sensing applications. Photonics Research, Vol. 9, Issue 7, Pp. 1310-1323, 9(7), 1310–1323. https://doi.org/10.1364/PRJ.424247

62. Li, H., Mekawy, A., & Alù, A. (2021). Gain-Free Parity-Time Symmetry for Evanescent Fields. Physical Review Letters, 127(1), 014301. https://doi.org/10.1103/PhysRevLett.127.014301

63. Mazor, Y., Cotrufo, M., & Alù, A. (2021). Unitary Excitation Transfer between Coupled Cavities Using Temporal Switching. Physical Review Letters, 127(1), 013902. https://doi.org/10.1103/PhysRevLett.127.013902

64. Li, M., Sinev, I., Benimetskiy, F., Ivanova, T., Khestanova, E., Kiriushechkina, S., Vakulenko, A., Guddala, S., Skolnick, M., Menon, V. M., Krizhanovskii, D., Alù, A., Samusev, A., & Khanikaev, A. B. (2021). Experimental observation of topological Z2 exciton-polaritons in transition metal dichalcogenide monolayers. Nature Communications 2021 12:1, 12(1), 1–10. https://doi.org/10.1038/s41467-021-24728-y

65. Alù, A., Kim, S., Ni, X., & Alù, A. (2021). Topological insulator in two synthetic dimensions based on an optomechanical resonator. Optica, Vol. 8, Issue 8, Pp. 1024-1032, 8(8), 1024–1032. https://doi.org/10.1364/OPTICA.430821

66. Chen, K., Weiner, M., Li, M., Ni, X., Alù, A., & Khanikaev, A. B. (2021). Nonlocal topological insulators: Deterministic aperiodic arrays supporting localized topological states protected by nonlocal symmetries. Proceedings of the National Academy of Sciences, 118(34), 2021. https://doi.org/10.1073/PNAS.2100691118

67. Rasmussen, C., & Alù, A. (2021). Non-Foster acoustic radiation from an active piezoelectric transducer. Proceedings of the National Academy of Sciences, 118(30). https://doi.org/10.1073/PNAS.2024984118

68. Farhat, M., Chen, P.-Y., Amin, M., Alù, A., & Wu, Y. (2021). Transverse acoustic spin and torque from pure spinning of objects. Physical Review B, 104(6), L060104. https://doi.org/10.1103/PhysRevB.104.L060104

69. Ma, W., Hu, G., Hu, D., Chen, R., Sun, T., Zhang, X., Dai, Q., Zeng, Y., Alù, A., Qiu, C.-W., & Li, P. (2021). Ghost hyperbolic surface polaritons in bulk anisotropic crystals. Nature 2021 596:7872, 596(7872), 362–366. https://doi.org/10.1038/s41586-021-03755-1

70. Cotrufo, M., Mann, S. A., Moussa, H., & Alu, A. (2021). Nonlinearity-Induced Nonreciprocity – Part II. IEEE Transactions on Microwave Theory and Techniques, 69(8), 3584–3597. https://doi.org/10.1109/TMTT.2021.3082192

71. Cotrufo, M., Mann, S. A., Moussa, H., & Alu, A. (2021). Nonlinearity-Induced Nonreciprocity – Part I. IEEE Transactions on Microwave Theory and Techniques, 69(8), 3569–3583. https://doi.org/10.1109/TMTT.2021.3079250

The following is a complete list of journal papers published in this second year of effort. They consist of over 120 journal papers published in several high-profile journals, including Science, Nature, and PNAS. Our work has been featured on 3 journal covers this year (Fig. 1), in extensive press coverage, and as 6 Editor’s Picks. This outstanding record continues the high level of research productivity enabled by this Collaboration. 

Fig. 1. Journal covers highlighting our work published in this second year of effort (see list below) 

1. 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, (2022).  Unidirectional Excited Phonon Polaritons in High-Symmetry Orthorhombic Crystals, Science Advances, Vol. 8, No. 30, eabn9774 (8).

2. M. Wang, G. Hu, S. Chand, M. Cotrufo, Y. Abate, K. Watanabe, T. Taniguchi, G. Grosso, C. W. Qiu, and A. Alù, (2022).  Spin-Orbit-Locked Hyperbolic Polariton Vortices Carrying Reconfigurable Topological Charges, E-Light, Vol. 2, No. 12 (11).

3. T. Shi, Z. L. Deng, X. Zeng, G. Geng, Y. Zeng, G. Hu, A. Overvig, J. Li, C. W. Qiu, A. Alù, Y. S. Kivshar, and X. Li, (2022).  Chiral Metasurfaces with Maximal Tunable Chiroptical Response Driven by Bound States in the Continuum, Nature Communications, Vol. 13, No. 4111 (8).

4. Y. W. Tsai, Y. T. Wang, E. Galiffi, A. Alù, and T. J. Yen, (2022). Surface-Wave Coupling in Double Floquet Sheets Supporting Phased Temporal Wood Anomalies,” Nanophotonics, Vol. 11, No. 15, pp. 3509-3517. https://doi.org/10.1515/nanoph-2022-0253

5. 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 (2022). (invited paper)

6. F. B. Arango, F. Alpeggiani, D. Conteduca, A. Opheij, A. Chen, M. I. Abdelrahman, T. Krauss, A. Alù, F. Monticone, and L. Kuipers, (2022). Cloaked Near-Field Probe for Non-Invasive Near-Field Optical Microscopy, Optica, Vol. 9, No. 7, pp. 684-691. https://doi.org/10.48550/arXiv.2201.00266

7. R. E. Jacobsen, A. Krasnok, S. Arslanagić, A. V. Lavrinenko, and A. Alù, (2022). Boundary-Induced Embedded Eigenstate in a Single Resonator for Advanced Sensing, ACS Photonics, Vol. 9, No. 6, pp. 1936-1943.  https://doi.org/10.1021/acsphotonics.1c01840

8. Z. L. Deng, F. J. LI, H. Li, X. Li, and A. Alù, (2022). Extreme Diffraction Control in Metagratings Leveraging Bound States in the Continuum and Exceptional Points, Laser and Photonics Reviews, Vol. 16, No. 6, 2100617 (6). https://doi.org/10.1002/lpor.202100617

9. A. Nagulu, X. Ni, A. Kord, M. Tymchenko, S. Garikapati, A. Alù, and H. Krishnaswamy, (2022). Chip-Scale Floquet Topological Insulators for 5G Wireless Systems, Nature Electronics, Vol. 5, pp. 300-309. https://doi.org/10.1038/s41928-022-00751-9

10.  M. Markowitz, M. Cotrufo, Y. Zhou, K. Stensvad, C. Schardt, A. Overvig, and A. Alù, (2022).  Resonant Waveguide Gratings for Augmented Reality, Optics Express, Vol. 30, No. 12, pp. 20469-20481.

11. Y. G. Peng, Y. Mazor, and A. Alù, (2022). Fundamentals of Acoustic Willis Media, Wave Motion, Vol. 112, 102930 (10). https://doi.org/10.1016/j.wavemoti.2022.102930

12. C. L. Holloway, N. Prajapati, A. B. Artusio-Glimpse, S. Breweger, M. T. Simons, Y. Kasahara, A. Alù, and R. W. Ziolkowski, (2022).  Rydberg Atom-Based Field Sensing Enhancement Using a Split-Ring Resonator,” Applied Physics Letters, Vol. 120, 204001 (6). https://doi.org/10.1063/5.0088532

13. S. Yin, E. Galiffi, and A. Alù, (2022). Floquet Metamaterials,  E-Light, Vol. 2, No. 8 (13).  https://doi.org/10.1186/s43593-022-00015-1

14. S. Yves, M. I. N. Rosa, Y. Guo, M. Gupta, M. Ruzzene, and A. Alù, (2022). Moiré-Driven Topological Transitions and Extreme Anisotropy in Elastic Metasurfaces,” Advanced Science, Vol. 9, No. 13, 2200181 (8). https://doi.org/10.1021/acs.nanolett.9b05319

15. S. Yves, M. I. N. Rosa, Y. Guo, M. Gupta, M. Ruzzene, and A. Alù, (2022). Moiré-Driven Topological Transitions and Extreme Anisotropy in Elastic Metasurfaces, Advanced Science, Vol. 9, No. 13, 2200181 (8). https://doi.org/10.1021/acs.nanolett.9b05319

16. H. Li, S. Yin, and A. Alù, (2022). Nonreciprocity and Faraday Rotation at Time Interfaces, Physical Review Letters, Vol. 128, No. 17, 173901 (7). https://doi.org/10.1103/PhysRevLett.128.173901

17. X. Shu, A. Li, G. Hu, J. Wang, A. Alù, and L. Chen, (2022).   Encirclement of an Exceptional Point for Highly Efficient and Compact Chiral Mode Converters, Nature Communications, Vol. 13, 2123 (6). https://doi.org/10.1038/s41467-022-29777-5

18. J. Fang, K. Yao, T. Zhang, M. Wang, T. Jiang, S. Huang, B. A. Korgel, M. Terrones, A. Alù, and Y. Zheng, (2022). Room-Temperature Observation of Near-Intrinsic Exciton Linewidth in Monolayer WS2,” Advanced Materials, Vol. 34, No. 15, 2108721 (6). https://doi.org/10.1002/adma.202108721

19. G. Xu, Y. Yang, X. Zhou, H. Chen, A. Alù, and C. W. Qiu, (2022). Diffusive Topological Transport in Spatiotemporal Thermal Lattices, Nature Physics, Vol. 18, pp. 450-456.https://doi.org/10.1038/s41567-021-01493-9

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21. S. Yin, and A. Alù, (2022). Efficient Phase Conjugation in a Space-Time Leaky Waveguide, ACS Photonics, Vol. 9, No. 3, pp. 979-984. https://doi.org/10.1021/acsphotonics.1c01836

22. Y. Kawaguchi, A. Alù, and A. B. Khanikaev, (2022). 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. https://doi.org/10.1364/OME.450821

23. L. Huang, A. Krasnok, A. Alù, Y. Yu, D. Neshev, and A. E Miroshnichenko, (2021).  Enhanced Light-Matter Interaction in Two-Dimensional Transition Metal Dichalcogenides,  Progress in Physics, Vol. 85, No. 4, 046401 (75). https://doi.org/10.1088/1361-6633/ac45f9

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26. N. Nefedkin, M. Cotrufo, A. Krasnok, and A. Alù, (2022). Dark-State Induced Quantum Nonreciprocity, Advanced Quantum Technologies, Vol. 5, No. 3, 2100112 (17). https://doi.org/10.1002/qute.202100112

27. 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, (2022). Hyperbolic Shear Polaritons in Low-Symmetry Crystals,” Nature, Vol. 602, pp. 599-602. https://doi.org/10.1038/s41586-021-04328-y

28. H. Goh, and A. Alù, Nonlocal Scatterer for Compact Wave-Based Analog Computing, (2022).  Physical Review Letters, Vol. 128, No. 7, 073201. https://doi.org/10.1103/PhysRevLett.128.073201

29. C. Qin, A. Alù, and Z. J. Wong, (2022).  Pseudo-Spin Orbit Coupling for Chiral Light Routing in Gauge-Flux-Biased Coupled Microring Resonator Arrays, ACS Photonics, Vol. 9, No. 2, pp. 586-596. https://doi.org/10.1021/acsphotonics.1c01561

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33. Y. Radi, and A. Alù, (2021). Metagratings for Efficient Wavefront Manipulation,” IEEE Photonics Journal, Vol. 14, No. 1, No. 2207513 (13). doi: 10.1109/JPHOT.2021.3136202.

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35. 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, (2022). Reciprocity of Thermal Diffusion in Time-Modulated Systems,” Nature Communications, Vol. 13, No. 167 (8). https://doi.org/10.1038/s41467-021-27903-3

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38. A. Krasnok, N. Nefedkin, and A. Alù, (2021). Parity-Time Symmetry and Exceptional Points,” IEEE Antennas and Propagation Magazine, Vol. 63, No. 3, pp. 110-121. doi: 10.1109/MAP.2021.3115766.

39. A. Kord, and A. Alù, (2021). Magnetless Circulators Based on Synthetic Angular-Momentum Bias, IEEE Antennas and Propagation Magazine, Vol. 63, No. 6, pp. 51-61.   doi: 10.1109/MAP.2020.3043437.

40. Y. K. Chiang, L. Quan, Y. Peng, S. Sepehrirahnama, S. Oberst, A. Alù, and D. A. Powell, (2021). Scalable Metagrating for Efficient Ultrasonic Focusing, Physical Review Applied, Vol. 16, No. 6, 064014 (9). https://doi.org/10.1103/PhysRevApplied.16.064014

41. J. Zhang, B. Peng, S. Kim, F. Monifi, X. Jiang, Y. Li, P. Yu, L. Liu, Y. X. Liu, A. Alù, and L. Yang, (2021). Optomechanical Dissipative Solitons, Nature, Vol. 600, pp. 75-80. https://doi.org/10.1038/s41586-021-04012-1

42. A. Hofstrand, M. Cotrufo, and A. Alù, (2021). Nonreciprocal Pulse Shaping and Chaotic Modulation with Asymmetric Noninstantaneous Nonlinear Resonators, Physical Review A, Vol. 104, No. 5, 053529 (8).

43. G. Hu, C. W. Qiu, W. Ma, R. Chen, X. Zhang, P. Li, D. Hu, Q. Dai, and A. Alù, (2021). Polaritonics on Viking Sunstones,” Optics and Photonics News,  Vol. 32, No. 12, p. 49. doi: 10.1038/news.2011.58.

44. M. Pascale, S. A. Mann, C. Forestiere, and A. Alù,  (2021).  Bandwidth of Singular Plasmonic Resonators in Relation to the Chu Limit,” ACS Photonics, Vol. 8, No. 11, pp. 3249-3260. https://doi.org/10.1021/acsphotonics.1c01084

45. 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, (2021). Efficient Nonreciprocal Mode Transitions in Spatiotemporally Modulated Acoustic Metamaterials, Science Advances, Vol. 7, No. 45, eabj1198 (8). DOI: 10.1126/sciadv.abj1198

46. S. Ramezanpour, A. Bogdanov, A. Alù, and Y. Radi, (2021). Generalization of Exceptional Point Conditions in Perturbed Coupled Resonators,” Physical Review B, Vol. 104, No. 20, 205405 (8). https://doi.org/10.1103/PhysRevB.104.205405

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52. S. Yves, and A. Alù, (2021). 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. https://doi.org/10.1121/10.0006237

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104. S. A. Lannebère, D. E. Fernandes, T. A. Morgado, M. G. Silveirinha, (2022). Nonreciprocal and Non-Hermitian Material Response Inspired by Semiconductor Transistors, Physical Review Letters, 128, 013902. https://doi.org/10.1103/PhysRevLett.128.013902

105. E. Galiffi, R. Tirole, S. Yin, H. Li, S. Vezzoli, P. A. Huidobro, M. G. Silveirinha, R. Sapienza, A. Alù, J. B. Pendry, Photonics of Time-Varying Media, Advanced Photonics,  4(1), 014002 (2022). https://doi.org/10.1117/1.AP.4.1.014002.

106. J. B. Pendry, P. A. Huidobro, M. G. Silveirinha, E. Galiffi, (2022). Crossing the Light Line, Nanophotonics, 11, 161–167.  https://doi.org/10.48550/arXiv.2110.00956

107. F. R. Prudêncio, M. G. Silveirinha, (2021). “First Principles Calculation of the Topological Phases of the Photonic Haldane Model,” Symmetry, 13, 2229. https://doi.org/10.3390/sym13112229

108. S. V. Silva, D. E. Fernandes, T. A. Morgado, M. G. Silveirinha, (2022). Topological Pumping and Tamm States in Photonic Systems, Physical Review B, 105, 155133. https://doi.org/10.1103/PhysRevB.105.155133

109. D. E. Fernandes, R. A. M. Pereira, S. Lannebère, T. A. Morgado, M. G. Silveirinha, (2022). Experimental Verification of Ill-defined Topologies and Energy Sinks in Electromagnetic Continua, Advance Photonics, 4(3), 035003. https://doi.org/10.1117/1.AP.4.3.035003

110. D. E. Fernandes, M. G. Silveirinha, (2022). Role of Time-Reversal Symmetry in the Dynamical Response of “One-Way” Nonlinear Devices, Physical Review Applied, 18, 024002. https://doi.org/10.1103/PhysRevApplied.18.024002

111. F. R. Prudêncio, M. G. Silveirinha, (2021). Monopole Embedded Eigenstates in Nonlocal Plasmonic Nanospheres,” Applied Physic Letter, 119 (26), 261101. https://doi.org/10.1063/5.0077123

112. M. G. Silveirinha, N. Engheta, “Structuring Light with Near-Zero-Index Platforms,” submitted to J. Optics (2022).

113. S. A. Lannebère, N. Engheta, M. G. Silveirinha, “Microscopic Models for Materials with a Transistor-like Response,” (in preparation).

114. J. Serra, N. Engheta, M. G. Silveirinha, “Non-Hermitian Edge States in A Transistor-metamaterial,” (in preparation).

115. Ming Han, Michel Fruchart, Colin Scheibner, Suriyanarayanan Vaikuntanathan, Juan J. de Pablo, Vincenzo Vitelli (2021). Fluctuating Hydrodynamics of Chiral Active Fluids, Nature Physics 17, 1260–1269. https://doi.org/10.1038/s41567-021-01318-9

116.  Michel Fruchart, Ming Han, Colin Scheibner, Vincenzo Vitelli, (2022). The Odd Ideal Gas: Hall Viscosity and Thermal Conductivity from Non-Hermitian Kinetic Theory, https://arxiv.org/abs/2202.02037

117.  Lara Braverman, Colin Scheibner, Bryan VanSaders, Vincenzo Vitelli, (2021).  Topological Defects in Solids with Odd Elasticity, Physical Review Letters 127, 268001. https://doi.org/10.1103/PhysRevLett.127.268001

118. Yangyang Chen, Xiaopeng Li, Colin Scheibner, Vincenzo Vitelli, Guoliang Huang,(2021). Realization of Active Metamaterials with Odd Micropolar Elasticity, Nature Communications 12. https://doi.org/10.1038/s41467-021-26034-z

119. Martin Brandenbourger, Colin Scheibner, Jonas Veenstra, Vincenzo Vitelli, Corentin Coulais,(2021). Limit Cycles Turn Active Matter into Robots. https://arxiv.org/abs/2108.08837

120. Michel Fruchart, Ryo Hanai, Peter B. Littlewood, Vincenzo Vitelli, (2021).  Non-reciprocal Phase Transitions, Nature, 592, 363–369.  https://doi.org/10.1038/d41586-021-00886-3

121. Hamed Abbaszadeh, Michel Fruchart, Wim van Saarloos, Vincenzo Vitelli,(2021). Liquid-crystal-based Topological Photonics, Proceedings of the National Academy of Sciences, 118, e2020525118. https://doi.org/10.1073/pnas.2020525118

122. Michel Fruchart, Claudia Yao, Vincenzo Vitelli, (2021). Systematic Generation of Hamiltonian Families with Dualities, https://arxiv.org/abs/2108.11138

Year One Report

Year Two Report