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Updated: May 19, 2026

Experimental Methods for Spin- and Angle-Resolved Photoemission Spectroscopy Combined with Polarization-Variable Laser
Published on: June 28, 2018
Nonlinear optical spin Hall effect and long-range spin transport in polariton lasers
E Kammann1, T C H Liew, H Ohadi
1School of Physics and Astronomy, University of Southampton, Southampton, SO17 1BJ, United Kingdom.
Abstract:
We report on the experimental observation of the nonlinear analogue of the optical spin Hall effect under highly nonresonant circularly polarized excitation of an exciton-polariton condensate in a GaAs/AlGaAs microcavity. The circularly polarized polariton condensates propagate over macroscopic distances, while the collective condensate spins coherently precess around an effective magnetic field in the sample plane performing up to four complete revolutions.
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