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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 5 — Mar. 1, 2014
  • pp: 1161–1164

Generalized modelling for the design of guided-wave optical directional couplers

Benedetto Troia, Francesco De Leonardis, and Vittorio M. N. Passaro  »View Author Affiliations


Optics Letters, Vol. 39, Issue 5, pp. 1161-1164 (2014)
http://dx.doi.org/10.1364/OL.39.001161


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Abstract

In this Letter we propose a rigorous and generalized approach for the design of integrated optical bent directional couplers (DCs) based on the coupled mode theory and super mode theory. The full vectorial finite-element method is used for the calculation of effective indices of optical modes propagating into the waveguides constituting the DCs. The flexibility and robustness of this general modelling approach is demonstrated by simulating several directional coupling configurations, as those based on cosine S-bend and double arc bent waveguides. Furthermore, some numerical results have been validated by comparison with the three-dimensional semi-vectorial beam propagation method.

© 2014 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(310.2785) Thin films : Guided wave applications
(310.6805) Thin films : Theory and design

ToC Category:
Thin Films

History
Original Manuscript: November 8, 2013
Revised Manuscript: December 28, 2013
Manuscript Accepted: January 15, 2014
Published: February 20, 2014

Citation
Benedetto Troia, Francesco De Leonardis, and Vittorio M. N. Passaro, "Generalized modelling for the design of guided-wave optical directional couplers," Opt. Lett. 39, 1161-1164 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-5-1161


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