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Proceedings Paper

Nonlinear excitonic susceptibilities of semiconductors at high levels of excitation
Author(s): P. I. Khadzhi; D. V. Tkachenko
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Paper Abstract

The hysteretical behavior of imaginary and real parts of the semiconductor susceptibility in the exciton range of spectrum taking into account the exciton-photon and elastic exciton- exciton interaction in the pump-probe regime depending on the intensity and frequency of the strong pump laser pulse and on the frequency of the test pulse is studied. The conditions of the emergence of the damping suppression and test pulse gain are determined. The abrupt red and blue shifts of the spectral position of the exciton absorption band depending on the intensity of the pump pulse are predicted.

Paper Details

Date Published: 2 July 1998
PDF: 5 pages
Proc. SPIE 3405, ROMOPTO '97: Fifth Conference on Optics, (2 July 1998); doi: 10.1117/12.312782
Show Author Affiliations
P. I. Khadzhi, Trans-Dniester State Univ. (Moldova)
D. V. Tkachenko, Trans-Dniester State Univ. (Moldova)

Published in SPIE Proceedings Vol. 3405:
ROMOPTO '97: Fifth Conference on Optics
Valentin I. Vlad; Dan C. Dumitras, Editor(s)

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