Vertical transition quantum cascade laser with Bragg confined excited state

Faist, Jerome; Capasso, Federico
January 1995
Applied Physics Letters;1/30/1995, Vol. 66 Issue 5, p538
Academic Journal
Examines the midinfrared intersubband quantum cascade laser based on a vertical transition. Use of a Bragg reflector; Design features of population inversion; Incorporation of superlattice graded gap region in the design to provide strong electron confinement in the upper state.


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