Non-Hermitian photonics promises exceptional topology of light

Abstract The band degeneracy, either the exceptional point of a non-Hermitian system or the Dirac point associated with a topological system, can feature distinct symmetry and topology. Their synergy will further produce more exotic topological effects in synthetic matter.

Bibliographic Details
Main Authors: Bikashkali Midya, Han Zhao, Liang Feng
Format: Article
Language:English
Published: Nature Portfolio 2018-07-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-018-05175-8