Weak coupling of parallel waveguides

Amos Hardy, William Streifer, Marek Osinski

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


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.

Original languageEnglish
Pages (from-to)161-163
Number of pages3
JournalOptics Letters
Issue number2
StatePublished - Feb 1988


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