2000 character limit reached
Resonant excitation of acoustic waves in one-dimensional exciton-polariton systems (1909.05226v3)
Published 11 Sep 2019 in cond-mat.mes-hall
Abstract: We analyze the interaction of exciton-polariton condensates in a one-dimensional semiconductor microcavity with acoustic phonons. We consider the case of a coherently pumped condensate and demonstrate that upon passing of a certain threshold the parametric instability in the system leads to the generation of a coherent acoustic wave and additional polariton harmonics. The process is strongly affected by exciton-exciton interactions which lead to the appearance of the effects of the bistability and hysteresis in the system.
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