We show theoretically how electrical and pure spin AC currents can be optically injected in semiconductors via excitation of continuum carriers. The electrical current should be observable by detecting its THz radiation.
© 2006 Optical Society of America
(270.0270) Quantum optics : Quantum optics
(270.1670) Quantum optics : Coherent optical effects
(320.0320) Ultrafast optics : Ultrafast optics
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors
I. Rumyantsev, K. S. Virk, and J. E. Sipe, "Coherent Control of AC Spin Currents Based on Excitation of Continuum Carriers," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper QME2.
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