Optically pumped intersubband emission of short-wave infrared radiation with GaN/AlN quantum wells

Kristina Driscoll, Yitao Liao, Anirban Bhattacharyya, Lin Zhou, David J. Smith et al.
Optically pumped pulsed emission of short-wave infrared radiation based on intersubband transitions in GaN/AlN quantum wells is demonstrated. Nanosecond-scale pump pulses are used to resonantly excite electrons from the ground states to the second-excited subbands, followed by radiative relaxation i ... [Appl. Phys. Lett. 94, 081120 (2009)] published Fri Feb 27, 2009.
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