We refine the effective-index approach to the theory of distributed feedback so that it can be applied to double heterostructure corrugated waveguides of practical interest. We make comparisons with other formulations.
© 1980 Optical Society of America
P. Verly, R. Tremblay, and J. W. Y. Lit, "Application of the effective-index method to the study of distributed feedback in corrugated waveguides. TE polarization," J. Opt. Soc. Am. 70, 964-968 (1980)