Phase currents in half-moon polariton condensates

Evgeny S. Sedov, V. A. Lukoshkin, V. K. Kalevich, Zacharias Hatzopoulos, P.G. Savvidis, Alexey Kavokin

Research output

Abstract

We excite exciton-polariton condensates in half-moon shapes by the non-resonant optical excitation of GaAs-based cylindrical pillar microcavities. In this geometry, the {\pi}-jump of the phase of the condensate wave function coexists with a gradual {\pm \pi} phase variation between two horns of the half-moon. We switch between clockwise and counter-clockwise phase currents by slightly shifting the excitation spot on the surface of the pillar. Half-moon condensates are expected to reveal features of two-level quantum systems similar to superconducting flux qubits
Original languageEnglish
JournalLight: Science and Applications
Publication statusPublished - 2019

Scopus subject areas

  • Physics and Astronomy(all)

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