The ‘‘reservoir’’ model of Kan, Vassilovski, Wu, and Lau [Appl. Phys. Lett. 61, 752 (1992)] is extended to analyze frequency chirp in separate confinement heterostructure (SCH) multiple-quantum-well lasers. Small-signal analysis is performed and compared between linear and logarithmic material gain. It is shown that there is an optimum value of SCH width at which frequency chirp becomes minimum.
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Wartak et al. (1995) studied this question.
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