TITLE

Anomalous Dispersion, Differential Gain, and Dispersion of the α-Factor in InGaAs/AlGaAs/GaAs Strained Quantum-Well Semiconductor Lasers

AUTHOR(S)
Bogatov, A. P.; Boltaseva, A. E.; Drakin, A. E.; Belkin, M. A.; Konyaev, V. P.
PUB. DATE
October 2000
SOURCE
Semiconductors;Oct2000, Vol. 34 Issue 10, p1207
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A new procedure for the experimental determination of the differential gain and dispersion of the amplitude-phase coupling coefficient in semiconductor injection lasers was proposed and implemented. The α-factor and differential gain for InGaAs/AlGaAs/GaAs single quantum well (QW) semiconductor lasers were determined using this procedure in a wide spectral range (from 957 to 996 nm) at various pumping current densities (from 280 to 850 A/cm²). The factor which characterizes the dispersion of the group velocity and restricts the minimum duration of the lasing pulse at the level of 10[sup -13] s was experimentally determined for InGaAs lasers for the first time.
ACCESSION #
7318538

 

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