Direct measurement of a non-Hermitian topological invariant in a hybrid light-matter system

by Su, Rui, Estrecho, Eliezer, Biegańska, Dąbrówka, Huang, Yuqing, Wurdack, Matthias, Pieczarka, Maciej, Truscott, Andrew G., Liew, Timothy Chi Hin, Ostrovskaya, Elena A., Xiong, Qihua
Published 2022