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Optical Gain in GaInNAs and GaInNAsSb Quantum Wells
IEEE Journal of Quantum Electronics
We have measured the absorption, gain and spontaneous emission spectra of GaInNAsSb (3.3%N), GaInNAs (0.5%N) and GaInAs quantum well structures to compare their merits as laser gain media. The parameters describing the relations between peak gain and current provide only limited insight. From the analysis of absorption spectra we have determined the intrinsic properties of the structures, represented by the product [reduced density of states × matrix element × overlap integral], taking accountdoi:10.1109/jqe.2011.2129492 fatcat:xc6wlwnjlnfx5o24rxrjix5u7m