Non-PT-symmetric Two-layer Waveguides for Exceptional-point-enhanced Optical Devices

被引:0
|
作者
Huang, Yin [1 ]
Shen, Yuecheng [2 ]
Veronis, Georgios [3 ,4 ]
机构
[1] Cent South Univ, Sch Phys & Elect, Dept Optoelect Informat Sci & Engn, Changsha 410012, Hunan, Peoples R China
[2] Sun Yat Sen Univ, Sch Elect & Informat Technol, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China
[3] Louisiana State Univ, Sch Elect Engn & Comp Sci, Baton Rouge, LA 70803 USA
[4] Louisiana State Univ, Ctr Computat & Technol, Baton Rouge, LA 70803 USA
关键词
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We investigate the exceptional points in a two-layer cylindrical waveguide structure consisting of absorbing and non-absorbing dielectrics. We show that the sensitivity of the effective index of the waveguide mode is enhanced at exceptional points. (C) 2020 The Author(s)
引用
收藏
页数:2
相关论文
共 18 条
  • [1] Non-PT-symmetric two-layer cylindrical waveguide for exceptional-point-enhanced optical devices
    Huang, Yin
    Shen, Yuecheng
    Veronis, Georgios
    OPTICS EXPRESS, 2019, 27 (26) : 37494 - 37507
  • [2] Unidirectional invisibility in a two-layer non-PT-symmetric slab
    Shen, Yun
    Deng, Xiao Hua
    Chen, Lin
    OPTICS EXPRESS, 2014, 22 (16): : 19440 - 19447
  • [3] PT-symmetric transport in non-PT-symmetric bi-layer optical arrays
    Ramirez-Hernandez, J.
    Izrailev, F. M.
    Makarov, N. M.
    Christodoulides, D. N.
    JOURNAL OF OPTICS, 2016, 18 (09)
  • [4] Exceptional-point-enhanced Brillouin micro-optical gyroscope based on self-injection locking
    Zhang, Yonggang
    Geng, Jingtong
    Li, Lingyu
    Wang, Ying
    Yang, Liu
    OPTICS COMMUNICATIONS, 2023, 528
  • [5] Exceptional-Point-Enhanced Superior Sensing Using Asymmetric Coupled-Lossy-Resonator Based Optical Metasurface
    Chowdhury, Basudev Nag
    Lahiri, Pooja
    Johnson, Nigel P.
    de la Rue, Richard M.
    Lahiri, Basudev
    LASER & PHOTONICS REVIEWS, 2025, 19 (06)
  • [6] Switching of the direction of reflectionless light propagation at exceptional points in non-PT-symmetric structures using phase-change materials
    Huang, Yin
    Shen, Yuecheng
    Min, Changjun
    Veronis, Georgios
    OPTICS EXPRESS, 2017, 25 (22): : 27283 - 27297
  • [7] Realization of non-PT-symmetric optical potentials with all-real spectra in a coherent atomic system
    Hang, Chao
    Gabadadze, Gregory
    Huang, Guoxiang
    PHYSICAL REVIEW A, 2017, 95 (02)
  • [8] A Two-layer Partitioning for Non-point Spatial Data
    Tsitsigkos, Dimitrios
    Lampropoulos, Konstantinos
    Bouros, Panagiotis
    Mamoulis, Nikos
    Terrovitis, Manolis
    2021 IEEE 37TH INTERNATIONAL CONFERENCE ON DATA ENGINEERING (ICDE 2021), 2021, : 1787 - 1798
  • [9] Two-Layer Space-Oriented Partitioning for Non-Point Data
    Tsitsigkos, Dimitrios
    Bouros, Panagiotis
    Lampropoulos, Konstantinos
    Mamoulis, Nikos
    Terrovitis, Manolis
    IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING, 2024, 36 (03) : 1341 - 1355
  • [10] Enhanced sensitivity of optical gyroscope in a mechanical parity-time-symmetric system based on exceptional point
    Mao, Xuan
    Qin, Guo-Qing
    Yang, Hong
    Zhang, Hao
    Wang, Min
    Long, Gui-Lu
    NEW JOURNAL OF PHYSICS, 2020, 22 (09):