Lasing in lower-dimensional structures formed by cleaved edge overgrowth

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.10025

Wegscheider, Werner ; Pfeiffer, Loren ; Dignam, M. ; Pinczuk, A. ; West, Ken ; Hull, R.

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Veröffentlichungsdatum dieses Volltextes: 26 Okt 2009 14:45

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Zusammenfassung

We have used the molecular beam growth technique, which we call cleaved edge overgrowth, to fabricate highly efficient lasers that operate in the 1D quantum limit. The active region of our laser consists of atomically precise quantum wires that form at the T-shaped intersections of 7 nm wide GaAs quantum wells grown along the (001) and, after an in situ cleave, along the (110) crystal axis. The ...