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Terahertz radiation from spin coherence optically induced in diluted magnetic semiconductors

R. Rungsawang, F. Perez, D. Oustinov, J. Madéo, J. Gomez, N. Jukam, J. Maysonnave, P. Cavalié, T. Wojtowicz, S. S. Dhillon, and J. Tignon

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Abstract

The transient terahertz radiation emitted by a spin coherence optically generated in CdMnTe two-dimensional electron gases is directly measured in the time domain using electro-optic sampling. The spin radiation decays in a few ps at high magnetic fields.

© 2011 Optical Society of America

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