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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 14, Iss. 5 — May. 1, 1997
  • pp: 1048–1056

Room-temperature optical nonlinearities in bulk GaSe

Marie May, Solange Debrus, Katarzyna Zakrzewska, Henri Benisty, and Alain Chevy  »View Author Affiliations


JOSA B, Vol. 14, Issue 5, pp. 1048-1056 (1997)
http://dx.doi.org/10.1364/JOSAB.14.001048


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Abstract

Spectral dependence of the third-order optical nonlinearity in a bulk crystal of GaSe is studied at room temperature. The experimental techniques involved are nonlinear transmission and laser-induced self-diffraction. A theory of self-diffraction, which for the first time takes into account the multiple-beam interferences, is developed. The measurements are carried out in the spectral range around the excitonic transition of GaSe. The refractive-index changes resulting from electron–hole plasma effect contribute to the generation of a phase grating below the band gap.

© 1997 Optical Society of America

Citation
Marie May, Solange Debrus, Katarzyna Zakrzewska, Henri Benisty, and Alain Chevy, "Room-temperature optical nonlinearities in bulk GaSe," J. Opt. Soc. Am. B 14, 1048-1056 (1997)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-14-5-1048

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