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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 25, Iss. 21 — Nov. 1, 1986
  • pp: 3899–3902

Guided waves in graded-index planar waveguides with nonlinear cover medium

R. K. Varshney, M. A. Nehme, R. Srivastava, and R. V. Ramaswamy  »View Author Affiliations


Applied Optics, Vol. 25, Issue 21, pp. 3899-3902 (1986)
http://dx.doi.org/10.1364/AO.25.003899


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Abstract

Dispersion relations for TE modes in a planar exponentially graded-index waveguide with self-focusing nonlinear cover material have been solved numerically. It is shown that the threshold power required to pull the field maximum out of the film region into the cover is lower compared with that for the step-index waveguide and agrees well with the experimental results. Empirical relations to calculate the corresponding minimum film thickness and the minimum threshold power are given for the lowest-order mode.

© 1986 Optical Society of America

History
Original Manuscript: June 27, 1986
Published: November 1, 1986

Citation
R. K. Varshney, M. A. Nehme, R. Srivastava, and R. V. Ramaswamy, "Guided waves in graded-index planar waveguides with nonlinear cover medium," Appl. Opt. 25, 3899-3902 (1986)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-25-21-3899

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