Nonlinear route to intrinsic Josephson oscillations in spinor cavity-polariton condensates

S.S. Gavrilov, A.S. Brichkin, S.I. Novikov, S. Höfling, C. Schneider, M. Kamp, A. Forchel, V.D. Kulakovskii

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Abstract

The intrinsic Josephson effect is observed in a two-component polariton condensate in a strained planar microcavity under a resonant pulsed excitation such that only one of the two linearly polarized eigenstates is pumped from the outside. On reaching the threshold density, the polariton-polariton interaction involves a spontaneous breaking of the symmetry between spin-up and spin-down polaritons. As a result, the condensate acquires nearly circular polarization while the pump is strong and then passes to the Josephson oscillation regime since the pump weakens.
Original languageEnglish
Number of pages6
JournalPhysical Review. B, Condensed matter and materials physics
Volume90
Issue number23
DOIs
Publication statusPublished - 9 Dec 2014

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