An analysis of the strip waveguide is presented with special emphasis on reflection and transmission of a wave obliquely incident on the side of a strip. Mode conversion and the contribution of radiation modes are taken into account in the formulation. The numerical results of the mode conversion and attenuation constant of the fundamental leaky mode are presented and compared with the results of other authors. The numerical accuracy of our analysis is also checked by two different procedures. It is found that the radiation modes have considerable effects on the waveguide characteristics.
© 1979 Optical Society of America
Kazuhiko Ogusu, Shojiro Kawakami, and Shigeo Nishida, "Optical strip waveguide: an analysis," Appl. Opt. 18, 908-914 (1979)