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Optics Letters

Optics Letters


  • Vol. 13, Iss. 2 — Feb. 1, 1988
  • pp: 161–163

Weak coupling of parallel waveguides

Amos Hardy, William Streifer, and Marek Osinski  »View Author Affiliations

Optics Letters, Vol. 13, Issue 2, pp. 161-163 (1988)

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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

Original Manuscript: February 23, 1987
Manuscript Accepted: October 26, 1987
Published: February 1, 1988

Amos Hardy, William Streifer, and Marek Osinski, "Weak coupling of parallel waveguides," Opt. Lett. 13, 161-163 (1988)

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  17. The elements of the third row of Eq. (12b) of Ref. 16 should read (ψ − ϕ + 2m22)/4ψ rather than (ψ − ϕ − 2m22)/4ψ as printed.

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