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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 20, Iss. 9 — May. 1, 1995
  • pp: 1005–1007

Analytical expressions for effective indices in a three-waveguide coupler

Sangeeta Srivastava and Enakshi Khular Sharma  »View Author Affiliations


Optics Letters, Vol. 20, Issue 9, pp. 1005-1007 (1995)
http://dx.doi.org/10.1364/OL.20.001005


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Abstract

We present analytical expressions for the effective indices of a three-waveguide directional coupler, using the modified scalar coupled-mode theory. Our analysis takes into account all perturbation correction terms, all coupling coefficients, and all overlap integrals and leads to a simple analytical condition for maximum power transfer between the two outside guides.

© 1995 Optical Society of America

History
Original Manuscript: November 9, 1994
Published: May 1, 1995

Citation
Sangeeta Srivastava and Enakshi Khular Sharma, "Analytical expressions for effective indices in a three-waveguide coupler," Opt. Lett. 20, 1005-1007 (1995)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-20-9-1005

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