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Transform technique for planar optical waveguides

Kumar, Shiva and Srinivas, T and Selvarajan, A (1991) Transform technique for planar optical waveguides. In: Journal of the Optical Society of America A, 8 (11). pp. 1681-1687.

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A new method for obtaining total field solutions and propagation constants for planar optical waveguiding structures by using a transform technique is presented. The method reduces the two-dimensional Helmholtz equation into a system of linear algebraic equations that can be solved on a computer. The method takes into account arbitrary input excitation and is applicable to arbitrary refractive-index variations in the transverse direction. We illustrate the method by applying it to directional couplers and straight waveguides with graded-index profiles-parabolic and exponential profiles. The results are in good agreement with analytical results.

Item Type: Journal Article
Publication: Journal of the Optical Society of America A
Publisher: Optical Society of America
Additional Information: Copyright of this article belongs to Optical Society of America.
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 25 Sep 2007
Last Modified: 19 Sep 2010 04:39
URI: http://eprints.iisc.ac.in/id/eprint/11885

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