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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 7, Iss. 6 — May. 25, 2012

Frequency locked micro disk resonator for real time and precise monitoring of refractive index

Liron Stern, Ilya Goykhman, Boris Desiatov, and Uriel Levy  »View Author Affiliations

Optics Letters, Vol. 37, Issue 8, pp. 1313-1315 (2012)

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We experimentally demonstrate a frequency modulation locked servo loop, locked to a resonance line of an on-chip microdisk resonator in a silicon nitride platform. By using this approach, we demonstrate real-time monitoring of refractive index variations with a precision approaching 107RIU, using a moderate Q factor of 104. The approach can be applied for intensity independent, dynamic and precise index of refraction monitoring for biosensing applications.

© 2012 Optical Society of America

OCIS Codes
(130.6010) Integrated optics : Sensors
(230.5750) Optical devices : Resonators
(280.1415) Remote sensing and sensors : Biological sensing and sensors

ToC Category:
Integrated Optics

Original Manuscript: February 10, 2012
Revised Manuscript: February 20, 2012
Manuscript Accepted: February 22, 2012
Published: April 6, 2012

Virtual Issues
Vol. 7, Iss. 6 Virtual Journal for Biomedical Optics

Liron Stern, Ilya Goykhman, Boris Desiatov, and Uriel Levy, "Frequency locked micro disk resonator for real time and precise monitoring of refractive index," Opt. Lett. 37, 1313-1315 (2012)

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