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Collective state transitions of exciton-polaritons loaded into a periodic potential

Winkler, Karol; Egorov, Oleg A; Schneider, C; Ma, X; Estrecho, Eliezer (Eli); Gao, Tingge; Müller, S.; Kamp, Martin; Liew, T.C.H.; Höfling, S; Savenko, I. G.; Ostrovskaya, Elena


We study the loading of a nonequilibrium, dissipative system of composite bosons—exciton polaritons—into a one-dimensional periodic lattice potential. Utilizing momentum resolved photoluminescence spectroscopy, we observe a transition between an incoherent Bose gas and a polariton condensate, which undergoes further transitions between different energy states in the band-gap spectrum of the periodic potential with increasing pumping power. We demonstrate controlled loading into distinct energy...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
Source: Physical Review B: Condensed Matter and Materials
DOI: 10.1103/PhysRevB.93.121303
Access Rights: Open Access


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