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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 26 — Sep. 10, 2009
  • pp: 4874–4879

Ring-coupled Mach–Zehnder interferometer optimized for sensing

Matthew Terrel, Michel J. F. Digonnet, and Shanhui Fan  »View Author Affiliations


Applied Optics, Vol. 48, Issue 26, pp. 4874-4879 (2009)
http://dx.doi.org/10.1364/AO.48.004874


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Abstract

We demonstrate numerically that the theoretical maximum sensitivity of a ring-coupled Mach–Zehnder interferometer (MZI) optimized as a sensor is about 30% greater than the optimized sensitivity of a conventional single-bus ring sensor with an identical ring perimeter and loss. The ring-coupled MZI sensor also achieves its greater sensitivity with a 25% lower circulating power, which is useful for the suppression of undesirable nonlinear effects.

© 2009 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.2800) Fiber optics and optical communications : Gyroscopes
(230.5750) Optical devices : Resonators
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: June 24, 2009
Revised Manuscript: August 3, 2009
Manuscript Accepted: August 17, 2009
Published: September 1, 2009

Citation
Matthew Terrel, Michel J. F. Digonnet, and Shanhui Fan, "Ring-coupled Mach-Zehnder interferometer optimized for sensing," Appl. Opt. 48, 4874-4879 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-26-4874

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