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  • Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
  • OSA Technical Digest (CD) (Optica Publishing Group, 2007),
  • paper QMH1

THz Radiation from Optically-Induced Magnetization in GaAs

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Abstract

A transient magnetization is induced in a semiconductor via optical spin injection by 100 fs, 800 nm circularly polarized pulses. The weak emitted THz radiation is identified against that from a much stronger photogalvanic source.

© 2007 Optical Society of America

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