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1. Experimental study of the α-factor in InGaAs/AlGaAs/GaAs strained quantum-well lasers

Author

Bogatov, A.P., Boltaseva, A.E., Drakin, A.E., Belkin, M.A., and Konyaev, V.P.

Abstract

A technique to determine experimentally the amplitude—phase coupling factor (α factor) in semiconductor laser diodes is proposed. The factor was obtained for InGaAs/AlGaAs/GaAs single-quantum-well lasers with injected-carrier concentrations from 1.5 × 1018 to 6 × 1018 cm-3. It is shown that the α factor for such structures at the maximum of mode gain lies in the range 2 — 9, and its value for one and the same structure may differ severalfold, depending on the operating point of a laser.

Published
2000

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