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Published May 15, 2000 | Published
Journal Article Open

Adiabatic coupling between conventional dielectric waveguides and waveguides with discrete translational symmetry

Abstract

We study adiabatic transformation in optical waveguides with discrete translational symmetry. We calculate the reflection and transmission coefficient for a structure consisting of a slab waveguide that is adiabatically transformed into a photonic crystal waveguide and then back into a slab waveguide. The calculation yields high transmission over a wide frequency range of the photonic crystal waveguide band and indicates efficient coupling between the slab waveguide and the photonic crystal waveguide. Other applications of adiabatic mode transformation in photonic crystal waveguides and the coupled-resonator optical waveguides are also discussed.

Additional Information

© 2000 Optical Society of America Received January 12, 2000 This research was sponsored by the U.S. Air Force Office of Scientific Research and the U.S. Office of Naval Research. R. K. Lee acknowledges support from the National Science and the Engineering Research Council of Canada.

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August 21, 2023
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