Optical analogue of the spin Hall effect in a photonic cavity |
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| Authors: | Maragkou Maria Richards Caryl E Ostatnický Tomas Grundy Alastair J D Zajac Joanna Hugues Maxime Langbein Wolfgang Lagoudakis Pavlos G |
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| Institution: | School of Physics and Astronomy, University of Southampton, Southampton SO17 1BJ, UK. |
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| Abstract: | We observe anisotropy in the polarization flux generated in a GaAs/AlAs photonic cavity by optical illumination, equivalent to spin currents in strongly coupled microcavities. Polarization rotation of the scattered photons around the Rayleigh ring is due to the TE-TM splitting of the cavity mode. Resolving the circular polarization components of the transmission reveals a separation of the polarization flux in momentum space. These observations constitute the optical analogue of the spin Hall effect. |
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