Polariton spin jets through optical control

Abstract

We demonstrate spin polarized jets in extended systems of ballistic exciton-polariton condensates in semiconductor microcavities using optical non-resonant excitation geometries. The structure of the spin jets is determined by the digitally reprogrammable, spatially non-uniform, degree of circular polarization of the excitation laser. The presence of the laser excitation, strong particle interactions, and spin-relaxation leads to a tunable spin-dependent potential landscape for polaritons, with the appearance of intricate polarization patterns due to coherent matter-wave interference. Our work realizes polarization-structured coherent light sources in the absence of gauge fields.

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Cited by in corpus (8)

• From the topological spin-Hall effect to the non-Hermitian skin effect in an elliptical micropillar chain
• Next nearest neighbour coupling with spinor polariton condensates
• Screening nearest-neighbor interactions in networks of exciton-polariton condensates through spin orbit coupling
• Spin polarization of exciton-polariton condensate in a photonic synthetic effective magnetic field
• Reservoir optics with exciton-polariton condensates
• Occupancy-driven Zeeman suppression and inversion in trapped polariton condensates
• Magneto-optical induced supermode switching in quantum fluids of light
• Discrete chiral ballistic polariton laser