Radiation losses by abrupt discontinuities in arbitrary planar optical waveguides

R. Morales; Jose Rodriguez Garcia; Sergio L. Palacios Diaz; R. D. Crespo; Susana Fernandez; Ana Guinea Rueda; Julio M. Fernandez Diaz

doi:10.1117/12.219513

15 September 1995 Radiation losses by abrupt discontinuities in arbitrary planar optical waveguides

R. Morales, Jose Rodriguez Garcia, Sergio L. Palacios Diaz, R. D. Crespo, Susana Fernandez, Ana Guinea Rueda, Julio M. Fernandez Diaz

Author Affiliations +

Proceedings Volume 2540, Current Developments in Optical Design and Engineering V; (1995) https://doi.org/10.1117/12.219513
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

In this work, a method for evaluating the radiation losses of abrupt transitions in planar optical waveguides is presented. We analyze optical discontinuities due to geometrical changes and/or variations of the refractive index profile of the waveguides. The modal matching technique is used to evaluate the radiation, as well as the reflection and transmission coefficients. Both symmetrical and non-symmetrical planar waveguides are considered. Step and graded index profiles are taken into account. Results of radiation losses are given.

Citation Download Citation

R. Morales, Jose Rodriguez Garcia, Sergio L. Palacios Diaz, R. D. Crespo, Susana Fernandez, Ana Guinea Rueda, and Julio M. Fernandez Diaz "Radiation losses by abrupt discontinuities in arbitrary planar optical waveguides", Proc. SPIE 2540, Current Developments in Optical Design and Engineering V, (15 September 1995); https://doi.org/10.1117/12.219513

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