Abstract

We examine coupled-mode theory in the very-weak-coupling limit and show that in multiwaveguide systems with dissimilar waveguides the overlap integrals of the recent, more-sophisticated theory should be included to ensure accurate solutions. Using the old theory in this limit may lead to errors reaching 100% in calculated coupling length.

© 1988 Optical Society of America

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Errata

Amos Hardy, William Streifer, and Marek Osinski, "Weak coupling of parallel waveguides: erratum," Opt. Lett. 13, 428-428 (1988)
https://www.osapublishing.org/ol/abstract.cfm?uri=ol-13-5-428

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