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Proceedings Paper

Analysis of nonlinear Bragg gratings by the matrix method
Author(s): Ajoy K. Ghatak; Kin Seng Chiang; Ping Shum; K. Thyagarajan
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Paper Abstract

A transfer matrix method is developed for the analysis of nonlinear waveguides with Bragg gratings. In our numerical model, the nonlinear refractive-index change resulting from the optical field along a grating structure is taken into consideration. This method can be applied to the study of a wide range of nonlinear phenomena in different grating structures. We have analyzed the nonlinear responses of optical signals at the Bragg wavelength as well as other wavelengths. We show that a small change in the refractive index can cause a significant change in the optical-field distributions along the grating and also the transmission response.

Paper Details

Date Published: 28 April 1999
PDF: 6 pages
Proc. SPIE 3666, International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98, (28 April 1999); doi: 10.1117/12.347909
Show Author Affiliations
Ajoy K. Ghatak, City Univ. of Hong Kong and Indian Institute of Technology/Delhi (India)
Kin Seng Chiang, City Univ. of Hong Kong (Hong Kong)
Ping Shum, City Univ. of Hong Kong (Singapore)
K. Thyagarajan, Indian Institute of Technology/Delhi (India)


Published in SPIE Proceedings Vol. 3666:
International Conference on Fiber Optics and Photonics: Selected Papers from Photonics India '98
Anurag Sharma; Banshi Dhar Gupta; Ajoy K. Ghatak, Editor(s)

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