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We propose a method for generating highly spin polarized electrons using circularly polarized two-photon excitation. Experimental results of spin dependent luminescence showed that electrons with initial spin polarization of 95% were generated in bulk p-GaAs.
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on (Volume:2 )
Date of Conference: 15-19 July 2001