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  • Title: Spectral dependence of spin photocurrent and current-induced spin polarization in an InGaAs/InAlAs two-dimensional electron gas.
    Author: Yang CL, He HT, Ding L, Cui LJ, Zeng YP, Wang JN, Ge WK.
    Journal: Phys Rev Lett; 2006 May 12; 96(18):186605. PubMed ID: 16712387.
    Abstract:
    The converse effects of spin photocurrent and current induced spin polarization are experimentally demonstrated in a two-dimensional electron gas system with Rashba spin splitting. Their consistency with the strength of the Rashba coupling as measured for the same system from beating of the Shubnikov-de Haas oscillations reveals a unified picture for the spin photocurrent, current-induced spin-polarization, and spin-orbit coupling. In addition, the observed spectral inversion of the spin photocurrent indicates a system with dominating structure inversion asymmetry.
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