Theory of optically controlled anisotropic polariton transport in semiconductor double microcavities
arXiv:1705.01124 · doi:10.1364/JOSAB.35.000146
Abstract
Exciton polaritons in semiconductor microcavities exhibit many fundamental physical effects, with some of them amenable to being controlled by external fields. The polariton transport is affected by the polaritonic spin-orbit interaction, which is caused by the splitting of transverse-electric and transverse-magnetic (TE-TM) modes. This is the basis for a polaritonic Hall effect, called optical spin Hall effect (OSHE), which is related to the formation of spin/polarization textures in momentum space, determining anisotropic ballistic transport, as well as related textures in real space. Owing to Coulombic interactions between the excitonic components of the polaritons, optical excitation of polaritons can affect the OSHE. We present a theoretical analysis of the OSHE and its optical control in semiconductor double microcavities, i.e. two optically coupled cavities, which are particularly well suited for the creation of polaritonic reservoirs that affect the spin-texture-forming polaritons. The theory is formulated in terms of a set of double-cavity spinor-polariton Gross-Pitaevskii equations. Numerical solutions feature, among other things, a controlled rotation of the spin texture in momentum space. The theory also allows for an identification of the effective magnetic field component that determines the optical control in phenomenological pseudo-spin models in terms of exciton interactions and the polariton density in the second lower polariton branch.
arXiv admin note: text overlap with arXiv:1607.03530
References in corpus (15)
- Spin-orbit interactions of light
- Optical nanoprobing via spin-orbit interaction of light
- Collective coherence in planar semiconductor microcavities
- Polaritonic Feshbach Resonance
- Parametric Processes in a Strong-Coupling Planar Microcavity
- The Non-linear Optical Spin Hall Effect and Long-Range Spin Transport in Polariton Lasers
- Theory of exciton-exciton correlation in nonlinear optical response
- Transmutation from Skyrmions to Half-Solitons Driven by the Nonlinear Optical Spin-Hall Effect
- Exciton-exciton scattering: Composite boson versus elementary boson
- Influence of exciton-exciton correlations on the polarization characteristics of the polariton amplification in semiconductor microcavities
- Spin-to-Orbital Angular Momentum Conversion in Semiconductor Microcavities
- Generation of hyper-entangled photon pairs in coupled microcavities
- Controlling the optical spin Hall effect with light
- Signatures of the excitonic memory effects in four-wave mixing processes in cavity polaritons
- Fundamental collapse of the exciton-exciton effective scattering