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Optica Publishing Group
  • Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies
  • Technical Digest (CD) (Optica Publishing Group, 2004),
  • paper ITuN5
  • https://doi.org/10.1364/IQEC.2004.ITuN5

Two-photon spin injection in semiconductors

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Abstract

We use pump-probe experiments to demonstrate that the spin polarization of electrons photogenerated in bulk GaAs by two-photon absorption of circularly polarized light is not significantly larger than by one-photon absorption, in agreement with theory.

© 2004 Optical Society of America

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