Observation of non-Hermitian degeneracies in a chaotic exciton-polariton billiard
Gao, Tiejun; Estrecho, Eliezer (Eli); Bliokh, Konstantin; Liew, T.C.H.; Fraser, Michael; Brodbeck, Sebastian; Kamp, Martin; Schneider, Christian; Hofling, Sven; Yamamoto, Y.; Nori, Franco; Kivshar, Yuri; Truscott, Andrew; Dall, Robert; Ostrovskaya, Elena
Exciton-polaritons are hybrid light-matter quasiparticles formed by strongly interacting photons and excitons (electron-hole pairs) in semiconductor microcavities. They have emerged as a robust solid-state platform for next-generation optoelectronic applications as well as for fundamental studies of quantum many-body physics. Importantly, exciton-polaritons are a profoundly open (that is, non-Hermitian) quantum system, which requires constant pumping of energy and continuously decays, releasing...[Show more]
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