Modes of waveguides with sinusoidal variation of refractive index

Ajoy K. Ghatak; I. C. Goyal; Rajeev Jindal

doi:10.1117/12.347991

28 April 1999 Modes of waveguides with sinusoidal variation of refractive index

Ajoy K. Ghatak, I. C. Goyal, Rajeev Jindal

Proceedings Volume 3666, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98; (1999) https://doi.org/10.1117/12.347991
Event: International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, 1998, New Delhi, India

Abstract

We present here a perturbation approach to study the modes of a waveguide with sinusoidal variation of refractive index within or outside the guiding region; the sinusoidal term has been assumed to be the perturbation over the average refractive index profile. The results of the method have been tested by comparing them with numerical results and it has been shown that the perturbation method gives extremely accurate results for large number of oscillation in the guiding region even for a large perturbation. The method should be useful for the analysis of structures with sinusoidal variation of refractive index in the transverse direction, such as in multiple quantum wells.

Citation Download Citation

Ajoy K. Ghatak, I. C. Goyal, and Rajeev Jindal "Modes of waveguides with sinusoidal variation of refractive index", Proc. SPIE 3666, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, (28 April 1999); https://doi.org/10.1117/12.347991

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