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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 5 — May. 1, 2007
  • pp: 1130–1137

Two-coherent-wave coupling in Rhodamine 110-doped boric acid glass solid films

Ramesh C. Sharma, Anjan Barman, Surya N. Thakur, and Jagdish P. Singh  »View Author Affiliations


JOSA B, Vol. 24, Issue 5, pp. 1130-1137 (2007)
http://dx.doi.org/10.1364/JOSAB.24.001130


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Abstract

We report the energy-transfer efficiency in a saturable absorber nonlinear media by two-coherent-wave coupling using the Doppler shift. Intensity-dependent nondegenerate two-beam coupling has been studied in Rhodamine 110-doped boric acid glass films. Two beams have been described in the limit of a weak probe and a relatively strong pump at the wavelength 488 ‚ÄČ nm from a continuous-wave Ar + laser. The results have been interpreted in terms of the four-level description of a saturable absorber. We obtained good agreement between the experimental and the theoretical results. Estimated values of the nonlinear parameters such as the saturation intensity, refractive index, and the response time of the optical nonlinearity have been obtained at different pump beam intensities for the first time, to our knowledge, in the Rhodamine 110-doped film.

© 2007 Optical Society of America

OCIS Codes
(160.0160) Materials : Materials
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(190.4720) Nonlinear optics : Optical nonlinearities of condensed matter

ToC Category:
Nonlinear Optics

History
Original Manuscript: September 12, 2006
Revised Manuscript: November 2, 2006
Manuscript Accepted: December 5, 2006
Published: April 17, 2007

Citation
Ramesh C. Sharma, Anjan Barman, Surya N. Thakur, and Jagdish P. Singh, "Two-coherent-wave coupling in Rhodamine 110-doped boric acid glass solid films," J. Opt. Soc. Am. B 24, 1130-1137 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-5-1130

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