Non-Hermitian Photonics based on Charge-Parity Symmetry

Junpeng Hou, Zhitong Li, Qing Gu +1

Parity-time ($\mathcal{P}\mathcal{T}$) symmetry, originally conceived for non-Hermitian open quantum systems, has opened an excitingly new avenue for the coherent control of light. By tailor…