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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 15, Iss. 11 — Nov. 1, 1998
  • pp: 2802–2807

Time-domain separation of nuclear and electronic contributions to the third-order nonlinearity in glasses

S. Montant, A. Le Calvez, E. Freysz, A. Ducasse, and M. Couzi  »View Author Affiliations


JOSA B, Vol. 15, Issue 11, pp. 2802-2807 (1998)
http://dx.doi.org/10.1364/JOSAB.15.002802


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Abstract

The electronic and nuclear contributions to the third-order nonlinearity of glasses are separated by use of 100-fs pulses in a time-resolved heterodyne optical Kerr effect technique. A direct estimate of the relative strengths of electronic and nuclear contributions was made by the comparison between the nuclear contribution deduced from the Raman spectra with the Kerr signal. The ratio between the electronic and nuclear response functions was ∼5/1 in a tellurium oxide glass sample. The time evolution of the nuclear contribution is in good agreement with results deduced from the Raman spectra.

© 1998 Optical Society of America

OCIS Codes
(160.2750) Materials : Glass and other amorphous materials
(160.4330) Materials : Nonlinear optical materials
(190.5650) Nonlinear optics : Raman effect
(320.0320) Ultrafast optics : Ultrafast optics
(320.7100) Ultrafast optics : Ultrafast measurements
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors

Citation
S. Montant, A. Le Calvez, E. Freysz, A. Ducasse, and M. Couzi, "Time-domain separation of nuclear and electronic contributions to the third-order nonlinearity in glasses," J. Opt. Soc. Am. B 15, 2802-2807 (1998)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-15-11-2802

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