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Photonics Research, Volume. 13, Issue 9, 2464(2025)

Non-Hermitian chiral coalescence spawning from a quasi-bound state in the continuum

Zhuolin Wu1,2, Zhi-Cheng Ren1,2, Xi-Lin Wang1,2, Hui-Tian Wang1,2,4, and Jianping Ding1,2,3、*
Author Affiliations
  • 1National Laboratory of Solid State Microstructures and School of Physics, Nanjing University, Nanjing 210093, China
  • 2Collaborative Innovation Center of Advanced Microstructures, Nanjing 210093, China
  • 3Collaborative Innovation Center of Solid-State Lighting and Energy-Saving Electronics, Nanjing 210093, China
  • 4e-mail: htwang@nju.edu.cn
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    [1] S. Chen, Z. Li, W. Liu. From single-dimensional to multidimensional manipulation of optical waves with metasurfaces. Adv. Mater., 31, 1802458(2019).

    [2] Y. Hu, X. Wang, X. Luo. All-dielectric metasurfaces for polarization manipulation: principles and emerging applications. Nanophotonics, 9, 3755-3780(2020).

    [3] Z. Wang, H. Jia, K. Yao. Circular dichroism metamirrors with near-perfect extinction. ACS Photonics, 3, 2096-2101(2016).

    [4] D. Ma, Z. Li, Y. Zhang. Giant spin-selective asymmetric transmission in multipolar-modulated metasurfaces. Opt. Lett., 44, 3805-3808(2019).

    [5] X. Zhao, Z. Li, J. Cheng. Realization of maximum optical intrinsic chirality with bilayer polyatomic metasurfaces. Opt. Lett., 47, 4814-4817(2022).

    [6] H. Li, H. Zhou, G. Wei. Photonic spin-selective perfect absorptance on planar metasurfaces driven by chiral quasi-bound states in the continuum. Nanoscale, 15, 6636-6644(2023).

    [7] J. Li, J. Li, C. Zheng. Active controllable spin-selective terahertz asymmetric transmission based on all-silicon metasurfaces. Appl. Phys. Lett., 118, 221110(2021).

    [8] Y. Chen, X. Yang, J. Gao. Spin-controlled wavefront shaping with plasmonic chiral geometric metasurfaces. Light Sci. Appl., 7, 84(2018).

    [9] T. Badloe, J. Seong, J. Rho. Trichannel spin-selective metalenses. Nano Lett., 23, 6958-6965(2023).

    [10] J. P. Balthasar Mueller, N. A. Rubin, R. C. Devlin. Metasurface polarization optics: independent phase control of arbitrary orthogonal states of polarization. Phys. Rev. Lett., 118, 113901(2017).

    [11] M. Liu, W. Zhu, P. Huo. Multifunctional metasurfaces enabled by simultaneous and independent control of phase and amplitude for orthogonal polarization states. Light Sci. Appl., 10, 107(2021).

    [12] V. G. Kravets, F. Schedin, R. Jalil. Singular phase nano-optics in plasmonic metamaterials for label-free single-molecule detection. Nat. Mater., 12, 304-309(2013).

    [13] J. Zhou, S. Liu, H. Qian. Metasurface enabled quantum edge detection. Sci. Adv., 6, eabc4385(2020).

    [14] K. Wang, J. G. Titchener, S. S. Kruk. Quantum metasurface for multiphoton interference and state reconstruction. Science, 361, 1104-1108(2018).

    [15] W. Liu, Y. Zhang, Z. Deng. On-chip chiral mode switching by encircling an exceptional point in an anti-parity-time symmetric system. Laser Photonics Rev., 16, 2100675(2022).

    [16] Y. Fan, H. Liang, J. Li. Emerging trend in unconventional metasurfaces: from nonlinear, non-hermitian to nonclassical metasurfaces. ACS Photonics, 9, 2872-2890(2022).

    [17] Z. Li, G. Cao, C. Li. Non-hermitian electromagnetic metasurfaces at exceptional points. Prog. Electromagn. Res., 171, 1(2021).

    [18] M. Lawrence, N. Xu, X. Zhang. Manifestation of PT symmetry breaking in polarization space with terahertz metasurfaces. Phys. Rev. Lett., 113, 093901(2014).

    [19] S. H. Park, S.-G. Lee, S. Baek. Observation of an exceptional point in a non-Hermitian metasurface. Nanophotonics, 9, 1031-1039(2020).

    [20] S. Baek, S. H. Park, D. Oh. Non-Hermitian chiral degeneracy of gated graphene metasurfaces. Light Sci. Appl., 12, 87(2023).

    [21] M. Kang, J. Chen, Y. D. Chong. Chiral exceptional points in metasurfaces. Phys. Rev. A, 94, 033834(2016).

    [22] Q. Song, M. Odeh, J. Zúñiga-Pérez. Plasmonic topological metasurface by encircling an exceptional point. Science, 373, 1133-1137(2021).

    [23] F. Gao, G. Jin, H. Liu. High-performance full-Stokes polarization detection at exceptional point in a non-Hermitian metasurface. Appl. Phys. Lett., 123, 011705(2023).

    [24] H. M. Leung, W. Gao, R. Zhang. Exceptional point-based plasmonic metasurfaces for vortex beam generation. Opt. Express, 28, 503(2020).

    [25] S. H. Park, S. Xia, S.-H. Oh. Accessing the exceptional points in a graphene plasmon–vibrational mode coupled system. ACS Photonics, 8, 3241-3248(2021).

    [26] H. Li, G. Yang, A. Jiang. Manifestation of super chiral exceptional points in a plasmonic metasurface. Photon. Res., 12, 2863-2872(2024).

    [27] C. Wang, X. Jiang, G. Zhao. Electromagnetically induced transparency at a chiral exceptional point. Nat. Phys., 16, 334-340(2020).

    [28] Z. Lin, H. Ramezani, T. Eichelkraut. Unidirectional invisibility induced by PT-symmetric periodic structures. Phys. Rev. Lett., 106, 213901(2011).

    [29] L. Feng, Y.-L. Xu, W. S. Fegadolli. Experimental demonstration of a unidirectional reflectionless parity-time metamaterial at optical frequencies. Nat. Mater., 12, 108-113(2013).

    [30] L. Feng, X. Zhu, S. Yang. Demonstration of a large-scale optical exceptional point structure. Opt. Express, 22, 1760-1767(2014).

    [31] Y. Huang, G. Veronis, C. Min. Unidirectional reflectionless propagation in plasmonic waveguide-cavity systems at exceptional points. Opt. Express, 23, 29882-29895(2015).

    [32] F. Gao, Z. Sun, P. Yuan. Polarization-dependent unidirectional reflectionless in non-Hermitian metasurface and its application in near-field grayscale imaging. Appl. Phys. Lett., 121, 091701(2022).

    [33] W. Chen, Ş. Kaya Özdemir, G. Zhao. Exceptional points enhance sensing in an optical microcavity. Nature, 548, 192-196(2017).

    [34] H. Zhao, Z. Chen, R. Zhao. Exceptional point engineered glass slide for microscopic thermal mapping. Nat. Commun., 9, 1764(2018).

    [35] Z. Dong, Z. Li, F. Yang. Sensitive readout of implantable microsensors using a wireless system locked to an exceptional point. Nat. Electron., 2, 335-342(2019).

    [36] J. Wiersig. Review of exceptional point-based sensors. Photon. Res., 8, 1457-1467(2020).

    [37] C. Wang, W. R. Sweeney, A. D. Stone. Coherent perfect absorption at an exceptional point. Science, 373, 1261-1265(2021).

    [38] Y. Ashida, Z. Gong, M. Ueda. Non-Hermitian physics. Adv. Phys., 69, 249-435(2020).

    [39] B. Nag Chowdhury, P. Lahiri, N. P. Johnson. Exceptional-point-enhanced superior sensing using asymmetric coupled-lossy-resonator based optical metasurface. Laser Photonics Rev., 19, 2401661(2024).

    [40] Z. Yu, W. He, S. Hu. Creating anti-chiral exceptional points in non-hermitian metasurfaces for efficient terahertz switching. Adv. Sci., 11, 2402615(2024).

    [41] X. Zhao, Z. Li, G. Geng. Mode-interference-induced chiral exceptional points in momentum space. Laser Photonics Rev., 18, 2301257(2024).

    [42] Z. Yang, P.-S. Huang, Y.-T. Lin. Creating pairs of exceptional points for arbitrary polarization control: asymmetric vectorial wavefront modulation. Nat. Commun., 15, 232(2024).

    [43] Y. Lang, Q. Xu, G. Xu. Topological metasurface for spin-decoupled wavefront manipulation of terahertz surface plasmons. Laser Photonics Rev., 19, 2401281(2025).

    [44] Z. Yang, P.-S. Huang, Y.-T. Lin. Asymmetric full-color vectorial meta-holograms empowered by pairs of exceptional points. Nano Lett., 24, 844-851(2024).

    [45] Y. Li, S. Wan, S. Deng. Independent control of circularly polarized light with exceptional topological phase coding metasurfaces. Photon. Res., 12, 534-542(2024).

    [46] X. Wu, X. Zhao, Y. Lin. Twins of exceptional points with opposite chirality for non-hermitian metasurfaces. ACS Photonics, 11, 2054-2060(2024).

    [47] C. W. Hsu, B. Zhen, A. D. Stone. Bound states in the continuum. Nat. Rev. Mater., 1, 16048(2016).

    [48] S. Yang, C. Hong, Y. Jiang. Nanoparticle trapping in a quasi-BIC system. ACS Photonics, 8, 1961-1971(2021).

    [49] F. Wu, T. Liu, Y. Long. Giant photonic spin Hall effect empowered by polarization-dependent quasibound states in the continuum in compound grating waveguide structures. Phys. Rev. B, 107, 165428(2023).

    [50] X. Zhang, Y. Liu, J. Han. Chiral emission from resonant metasurfaces. Science, 377, 1215-1218(2022).

    [51] S. Xiao, M. Qin, J. Duan. Polarization-controlled dynamically switchable high-harmonic generation from all-dielectric metasurfaces governed by dual bound states in the continuum. Phys. Rev. B, 105, 195440(2022).

    [52] J. Wu, X. Xu, X. Su. Observation of giant extrinsic chirality empowered by quasi-bound states in the continuum. Phys. Rev. Appl., 16, 064018(2021).

    [53] H. Barkaoui, K. Du, Y. Chen. Merged bound states in the continuum for giant superchiral field and chiral mode splitting. Phys. Rev. B, 107, 045305(2023).

    [54] F. Wu, X. Qi, M. Luo. Ultraslow light effect driven by quasibound states in the continuum in compound grating waveguide structures. Phys. Rev. B, 108, 165404(2023).

    [55] X. Wang, J. Duan, W. Chen. Controlling light absorption of graphene at critical coupling through magnetic dipole quasi-bound states in the continuum resonance. Phys. Rev. B, 102, 155432(2020).

    [56] Y. Chen, W. Chen, X. Kong. Can weak chirality induce strong coupling between resonant states?. Phys. Rev. Lett., 128, 146102(2022).

    [57] T. Shi, Z.-L. Deng, G. Geng. Planar chiral metasurfaces with maximal and tunable chiroptical response driven by bound states in the continuum. Nat. Commun., 13, 4111(2022).

    [58] M. Kang, Z. Zhang, T. Wu. Coherent full polarization control based on bound states in the continuum. Nat Commun, 13, 4536(2022).

    [59] O. V. Kotov, Yu. E. Lozovik. Dielectric response and novel electromagnetic modes in three-dimensional Dirac semimetal films. Phys. Rev. B, 93, 235417(2016).

    [60] T. Timusk, J. P. Carbotte, C. C. Homes. Three-dimensional Dirac fermions in quasicrystals as seen via optical conductivity. Phys. Rev. B, 87, 235121(2013).

    [61] S. Fan, W. Suh, J. D. Joannopoulos. Temporal coupled-mode theory for the Fano resonance in optical resonators. J. Opt. Soc. Am. A, 20, 569-572(2003).

    [62] W. Suh, Z. Wang, S. Fan. Temporal coupled-mode theory and the presence of non-orthogonal modes in lossless multimode cavities. IEEE J. Quantum Electron., 40, 1511-1518(2004).

    [63] K. Koshelev, S. Lepeshov, M. Liu. Asymmetric metasurfaces with high-Q resonances governed by bound states in the continuum. Phys. Rev. Lett., 121, 193903(2018).

    [64] L. Cong, R. Singh. Symmetry-protected dual bound states in the continuum in metamaterials. Adv. Opt. Mater., 7, 1900383(2019).

    [65] A. A. Mailybaev, O. N. Kirillov, A. P. Seyranian. Geometric phase around exceptional points. Phys. Rev. A, 72, 014104(2005).

    [66] M. F. Limonov, M. V. Rybin, A. N. Poddubny. Fano resonances in photonics. Nat. Photon, 11, 543-554(2017).

    [67] H. Zhou, C. Peng, Y. Yoon. Observation of bulk Fermi arc and polarization half charge from paired exceptional points. Science, 359, 1009-1012(2018).

    [68] S. Liu, W. Cao, S. Jiang. 3D Dirac semimetal supported tunable multi-frequency terahertz metamaterial absorbers. Adv. Quantum Technol., 7, 2300386(2024).

    [69] M. V. Gorkunov, A. A. Antonov, Y. S. Kivshar. Metasurfaces with maximum chirality empowered by bound states in the continuum. Phys. Rev. Lett., 125, 093903(2020).

    [70] X. Qi, J. Wu, F. Wu. Observation of maximal intrinsic chirality empowered by dual quasi-bound states in the continuum in a planar metasurface. Photon. Res., 12, 244-252(2024).

    [71] Y. Chen, H. Deng, X. Sha. Observation of intrinsic chiral bound states in the continuum. Nature, 613, 474-478(2023).

    [72] J. Wu, H. Jiang, Z. Guo. Giant optical chirality in dielectric metasurfaces induced by toroidal dipole resonances. Opt. Lett., 48, 916-919(2023).

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    Zhuolin Wu, Zhi-Cheng Ren, Xi-Lin Wang, Hui-Tian Wang, Jianping Ding, "Non-Hermitian chiral coalescence spawning from a quasi-bound state in the continuum," Photonics Res. 13, 2464 (2025)

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    Paper Information

    Category: Physical Optics

    Received: Apr. 3, 2025

    Accepted: Jun. 9, 2025

    Published Online: Aug. 12, 2025

    The Author Email: Jianping Ding (jpding@nju.edu.cn)

    DOI:10.1364/PRJ.564205

    CSTR:32188.14.PRJ.564205

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology