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Conferences > QELS > 2008 > QThF > QThF6
  • Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
  • OSA Technical Digest (CD) (Optica Publishing Group, 2008),
  • paper QThF6

Ultrafast Photoinduced Ferromagnetic Phase Enhancement in Ion Implanted GaMnAs

Ingrid Cotoros, Jigang Wang, Peter Stone, Oscar Dubon, and Daniel Chemla

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Abstract

We report on the dramatic ultrafast photo-enhancement of ferromagnetism on a 100 picosecond timescale in ion-implanted semiconductor GaMnAs via photoexcited transient carriers. This non-thermal, transient cooperative magnetic process surprisingly quenches at low temperatures, significantly bellow the Curie temperature.

© 2008 Optical Society of America

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