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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 14, Iss. 7 — Apr. 1, 1989
  • pp: 376–378

Analysis of absorbing and leaky planar waveguides: a novel method

M. R. Ramadas, E. Garmire, A. K. Ghatak, K. Thyagarajan, and M. R. Shenoy  »View Author Affiliations


Optics Letters, Vol. 14, Issue 7, pp. 376-378 (1989)
http://dx.doi.org/10.1364/OL.14.000376


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Abstract

We present a simple and general approach for analysis of absorbing and leaky waveguides. The real and imaginary parts of the propagation constant β of a planar optical waveguide are obtained by evaluating a function, defined through the eigenvalue equation, in real β. The applicability of the method is demonstrated for simple structures. To apply the method for arbitrarily graded inhomogeneous or multilayered structures we use a simple matrix approach to obtain the eigenvalue equation. The method is straightforward, accurate, and requires no iteration in the complex β plane.

© 1989 Optical Society of America

History
Original Manuscript: September 23, 1988
Manuscript Accepted: January 12, 1989
Published: April 1, 1989

Citation
M. R. Ramadas, A. K. Ghatak, K. Thyagarajan, E. Garmire, and M. R. Shenoy, "Analysis of absorbing and leaky planar waveguides: a novel method," Opt. Lett. 14, 376-378 (1989)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-14-7-376

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