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Effect of impurities on absorption in semiconductors and on generation by semiconductor lasers

Journal Article · · Sov. Phys. - JETP (Engl. Transl.); (United States)
OSTI ID:5824329
The effect of impurity scattering of electrons on the operation of semiconductor lasers and on absorption in semiconductors is considered. It is shown that the limiting field of a neodymium laser is increased by (tau/sub ph//tau/sub im/)/sup 1//sup ///sup 2/ times (tau/sub ph/ and tau/sub im/ are the times of electron scattering by phonons and impurities) compared with pure lasers, and that under certain conditions the dependence of the field on the pump current has a maximum. Combined scattering leads to a broadening approx.(1tau/sub im/tau/sub ph/)/sup 1//sup ///sup 2/ of the absorption curve. It is found that impurity scattering alone does not broaden the absorption line.
Research Organization:
Moscow Engineering-Physics Institute
OSTI ID:
5824329
Journal Information:
Sov. Phys. - JETP (Engl. Transl.); (United States), Journal Name: Sov. Phys. - JETP (Engl. Transl.); (United States) Vol. 60:1; ISSN SPHJA
Country of Publication:
United States
Language:
English

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