We show theoretically how spin-polarized and pure spin AC currents can be optically injected in semiconductors via quantum interference between excitonic 1s and 2p states. The electrical current may be observed by its THz radiation.
Optically injected AC spin currents based on excitonic quantum interference in semiconductors
2005 Quantum Electronics and Laser Science Conference ; 1 ; 592-594 Vol. 1
2005-01-01
678658 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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