Spin Polarization of Electrons by Nonmagnetic Heterostructures: The Basics of Spin Optics

M. Khodas, A. Shekhter, A. M. Finkel’stein

Research output: Contribution to journalArticlepeer-review

158 Scopus citations

Abstract

We propose to use the lateral interface between two regions with different strengths of the spin-orbit interaction(s) to spin polarize the electrons in gated two-dimensional semiconductor heterostructures. For a beam with a nonzero angle of incidence, the transmitted electrons will split into two spin polarization components propagating at different angles. We analyze the refraction at such an interface and outline the basic schemes for filtration and control of the electron spin.

Original languageAmerican English
JournalPhysical Review Letters
Volume92
Issue number8
DOIs
StatePublished - 2004
Externally publishedYes

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