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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Franco Gori
  • Vol. 27, Iss. 4 — Apr. 1, 2010
  • pp: 703–708

A comparison of modeling methods for ring resonator circuits

Michael Gad, David Yevick, and Paul Jessop  »View Author Affiliations

JOSA A, Vol. 27, Issue 4, pp. 703-708 (2010)

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We have previously introduced a “compound ring resonator circuit,” in which several ring resonator (RR) cavities are coupled in a loop, and analyzed the resulting configuration with the coupling of modes in space (CMS) technique. In this work we compare the accuracy, simplicity and calculation time of three standard procedures, namely the FDTD, and the methods of coupling of modes in time (CMT) and CMS in the context of a two-dimensional (2D) complex ring resonator circuit. This provides a far more effective benchmark of the relative advantages of the methods than the analysis of far simpler structures performed by other authors. As part of these calculations, we further discuss the relationship between the power loss coefficients in the CMS and the CMT models. We verify that the CMT yields accurate and rapid results for small coupling coefficients and losses even for large waveguide circuits containing multiple rings.

© 2010 Optical Society of America

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(130.1750) Integrated optics : Components
(130.2790) Integrated optics : Guided waves
(130.3120) Integrated optics : Integrated optics devices
(130.4815) Integrated optics : Optical switching devices
(130.3990) Integrated optics : Micro-optical devices

ToC Category:
Integrated Optics

Original Manuscript: October 26, 2009
Revised Manuscript: January 22, 2010
Manuscript Accepted: January 29, 2010
Published: March 15, 2010

Michael Gad, David Yevick, and Paul Jessop, "A comparison of modeling methods for ring resonator circuits," J. Opt. Soc. Am. A 27, 703-708 (2010)

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  1. M. Gad, D. Yevick, and P. Jessop, “High-speed polymer/silicon on insulator ring resonator switch,” Opt. Eng. 47, 094601-1-094601-8 (2008). [CrossRef]
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