Stimulated emission from a metamorphic GaAsSb bulk layer on a GaAs substrate

V. Ya. Aleshkin; A. A. Dubinov; K. E. Kudryavtsev; P. A. Yunin; M. N. Drozdov; O. V. Vikhrova; S. M. Nekorkin; B. N. Zvonkov

doi:10.1134/S106378261605002X

Stimulated emission from a metamorphic GaAsSb bulk layer on a GaAs substrate

Authors: Aleshkin V.Y.¹^,2, Dubinov A.A.¹^,2, Kudryavtsev K.E.¹^,2, Yunin P.A.¹^,2, Drozdov M.N.¹^,2, Vikhrova O.V.³, Nekorkin S.M.³, Zvonkov B.N.³
Affiliations:
1. Institute for Physics of Microstructures
2. Lobachevsky Nizhny Novgorod State University
3. Physical–Technical Research Institute
Issue: Vol 50, No 5 (2016)
Pages: 586-589
Section: Spectroscopy, Interaction with Radiation
URL: https://journals.rcsi.science/1063-7826/article/view/197057
DOI: https://doi.org/10.1134/S106378261605002X
ID: 197057

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Abstract

The structural and optical properties of a metamorphic GaAsSb bulk layer grown on a GaAs substrate are studied. As the excitation power density (at a wavelength of 0.65 μm) reaches 9 kW cm⁻² at liquid-nitrogen temperature and 230 kW cm⁻² at room temperature, a superluminescence signal is observed at wave-lengths of 0.943 and 0.992 μm, respectively.