Gain-gain and gain-lossless PT-symmetry broken from PT-phase diagram

Zhang, Q; Ma, Y; Liu, Q; Zhang, XC; Jia, YL; Tong, LM; Gong, QH; Gu, Y

Gu, Y (通讯作者),Peking Univ, Dept Phys, State Key Lab Mesoscop Phys, Beijing 100871, Peoples R China.;Gu, Y (通讯作者),Peking Univ, Frontiers Sci Ctr Nanooptoelectron, Beijing 100871, Peoples R China.;Gu, Y (通讯作者),Peking Univ, Collaborat Innovat Ctr Quantum Matter, Beijing 100871, Peoples R China.;Gu, Y (通讯作者),Peking Univ, Beijing Acad Quantum Informat Sci, Beijing 100871, Peoples R China.;Gu, Y (通讯作者),Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Peoples R China.;Gu, Y (通讯作者),Peking Univ, Yangtze Delta Inst Optoelect, Nantong 226010, Peoples R China.;Gu, Y (通讯作者),Hefei Natl Lab, Hefei 230088, Peoples R China.

JOURNAL OF OPTICS-INDIA, 2023; 52 (4): 2239

Abstract

Parity-time (PT) symmetry and broken in micro-/nanophotonic structures have been investigated extensively as they bring new opportunities to control t......

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