Polaritonic analogue of Datta and Das spin transistor

Details Polaritonic analogue of Datta and Das spin transistor Polaritonic analogue of Datta and Das spin transistor

2009-11-09

arxiv.org/abs/0911.1621v1

Phys. Rev. B 81, 125327 (2010)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 3 figures

Scientific paper

10.1103/PhysRevB.81.125327

We propose the scheme of a novel spin-optronic device, optical analog of Datta and Das spin transistor for the electrons. The role of the ferromagnetic-nonmagnetic contact is played by a spatially confined cavity polariton BEC. The condensate is responsible for the appearance of effective magnetic field which rotates the spin state of a propagating pulse of polaritons allowing to tune the transmittivity of the device.

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