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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Franco Gori
  • Vol. 28, Iss. 4 — Apr. 1, 2011
  • pp: 596–603

Design and optimization of waveguide sensitivity in slot microring sensors

Alireza Kargar and Chung-Yen Chao  »View Author Affiliations

JOSA A, Vol. 28, Issue 4, pp. 596-603 (2011)

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The waveguide sensitivity of silicon slot microring sensors and single- and double-slot microrings is analyzed using a combination of the effective index and the Airy-functions-based mode matching methods. The sensing properties of these two cases are investigated under a variety of geometries. The trends of the waveguide sensitivity on each geometrical parameter are obtained. In addition, the influence of asymmetry on the waveguide sensitivity is also investigated. Calculation also illustrates that double-slot microrings offer wider fabrication tolerance than single-slot ones. These results provide a guideline and insights for designing microring geometry to satisfy the desired sensing requirements and performance.

© 2011 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(130.6010) Integrated optics : Sensors
(230.5750) Optical devices : Resonators
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Integrated Optics

Original Manuscript: August 27, 2010
Revised Manuscript: December 27, 2010
Manuscript Accepted: January 24, 2011
Published: March 21, 2011

Alireza Kargar and Chung-Yen Chao, "Design and optimization of waveguide sensitivity in slot microring sensors," J. Opt. Soc. Am. A 28, 596-603 (2011)

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