Controlling the optical spin Hall effect with light
arXiv:1607.03530 · doi:10.1063/1.4975681
Abstract
The optical spin Hall effect (OSHE) is a transport phenomenon of exciton polaritons in semiconductor microcavities, caused by the polaritonic spin-orbit interaction, that leads to the formation of spin textures. In the semiconductor cavity, the physical basis of the spin orbit coupling is an effective magnetic field caused by the splitting of transverse-electric and transverse-magnetic (TE-TM) modes. The spin textures can be observed in the near field (local spin distribution of polaritons), and as light polarization patterns in the more readily observable far field. For future applications in spinoptronic devices, a simple and robust control mechanism, which establishes a one-to-one correspondence between stationary incident light intensity and far-field polarization pattern, is needed. We present such a control scheme, which is made possible by a specific double-microcavity design.
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- Gap and embedded solitons in microwave-coupled binary condensates
- Circular polarization reversal of half-vortex cores in polariton condensates
- All-optical beam steering using the polariton lighthouse effect
- PHOENIX -- Paderborn highly optimized and energy efficient solver for two-dimensional nonlinear Schrödinger equations with integrated extensions
- Dynamical control of square microlaser emission via symmetry classes
- Theory of optically controlled anisotropic polariton transport in semiconductor double microcavities
- Optically controlled orbital angular momentum generation in a polaritonic quantum fluid