Abstract
We examine an application of scalar field theory to the prediction of modal properties of highly localized optical fields that propagate stably along a nonlinear channel waveguide. By comparison with results previously computed with the exact vectorial approach, serious limitations on the validity of the scalar approximation are found in the high-power regime, where nonlinearities are expected to play an essential role in forming the stationary mode. As in the vectorial calculation, a catastrophic transition from a symmetric to an asymmetric mode is confirmed for the channel waveguide with a linear core embedded in a self-focusing nonlinear cladding.
© 1992 Optical Society of America
Full Article | PDF ArticleMore Like This
K. Hayata, K. Kobayashi, and M. Koshiba
J. Opt. Soc. Am. B 10(10) 1933-1940 (1993)
R. A. Sammut, Q. Y. Li, and C. Pask
J. Opt. Soc. Am. B 9(6) 884-890 (1992)
Joachim Meier, Jared Hudock, Demetrios N. Christodoulides, George I. Stegeman, Haeyeon Yang, Greg Salamo, Roberto Morandotti, J. Stewart Aitchison, and Yaron Silberberg
J. Opt. Soc. Am. B 22(7) 1432-1436 (2005)