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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 29 — Oct. 10, 2008
  • pp: 5348–5353

Empirical relations for the propagation characteristics of diffused channel waveguides

Samit Barai and Anurag Sharma  »View Author Affiliations


Applied Optics, Vol. 47, Issue 29, pp. 5348-5353 (2008)
http://dx.doi.org/10.1364/AO.47.005348


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Abstract

Empirical relations for the propagation constant and the field profile parameters of integrated optical diffused channel waveguides have been developed. The field profile used is the evanescent secant- hyperbolic field, which has been shown earlier to be a very good approximation for diffused channel- waveguide modes. Least-square fitting has been used to obtain the empirical relations. The results show that the error in empirical relations for the propagation constant is within 2% for a broad range of waveguide parameters. The obtained empirical relations for the field profile and the propagation constant have been used, as an example, to calculate the coupling length of diffused channel- waveguide-based directional couplers.

© 2008 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(130.3730) Integrated optics : Lithium niobate

ToC Category:
Integrated Optics

History
Original Manuscript: April 8, 2008
Manuscript Accepted: July 16, 2008
Published: October 7, 2008

Citation
Samit Barai and Anurag Sharma, "Empirical relations for the propagation characteristics of diffused channel waveguides," Appl. Opt. 47, 5348-5353 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-29-5348

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