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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Henry van Driel
  • Vol. 29, Iss. 1 — Jan. 1, 2012
  • pp: 170–177

Circuit model for mode extraction in lossy/lossless photonic crystal waveguides

Nasim Habibi, Amin Khavasi, Mehdi Miri, and Khashayar Mehrany  »View Author Affiliations

JOSA B, Vol. 29, Issue 1, pp. 170-177 (2012)

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An approximate circuit model is proposed for mode extraction in two-dimensional photonic crystal waveguides. The dispersion equation governing the complex propagation constant of the photonic crystal waveguide is then related to the resonance condition in the proposed circuit model. In this fashion, a scalar complex transcendental equation is given for mode extraction. To avoid searching for the complex roots of the derived scalar dispersion equation, however, the real and imaginary parts of the sought-after propagation constant are extracted by using the physical resonance condition and its corresponding quality factor in the here-proposed circuit model, respectively. All the necessary conditions for the accuracy of the proposed circuit model are discussed, and some numerical examples are given. It is fortunate that the proposed model can be applied for accurate mode extraction in most of the applications. Both major polarizations are considered.

© 2011 Optical Society of America

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(130.0130) Integrated optics : Integrated optics
(130.5296) Integrated optics : Photonic crystal waveguides

ToC Category:
Integrated Optics

Original Manuscript: May 17, 2011
Revised Manuscript: August 26, 2011
Manuscript Accepted: October 18, 2011
Published: December 16, 2011

Nasim Habibi, Amin Khavasi, Mehdi Miri, and Khashayar Mehrany, "Circuit model for mode extraction in lossy/lossless photonic crystal waveguides," J. Opt. Soc. Am. B 29, 170-177 (2012)

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