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Anomalous dispersion in the region of self-absorption of electron-hole plasma of a heterostructure laser

V. A. Aksyutenkov, E. N. Khabarov


The Cauchy extrapolation of the dispersion coefficient of electron-hole plasma to the region of self-absorption frequencies used by certain authors is not well-grounded. From experimental measurements of the emission spectrum of stripe-geometry heterostructure lasers based both on a GaInPAs solid solution and on a GaAs compound, the authors established an anomalous dependence of dispersion, which corresponds to fundamental notions about the exciton nature of this phenomenon occurring precisely in the frequency region of the self-absorption band [1]…

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