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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 6 — Mar. 19, 2007
  • pp: 3390–3395

On the fundamental limits of Q factor of crystalline dielectric resonators

Ivan S. Grudinin, Andrey B. Matsko, and Lute Maleki  »View Author Affiliations

Optics Express, Vol. 15, Issue 6, pp. 3390-3395 (2007)

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The temperature dependence of the processes which fundamentally limit optical quality factor of ideal crystalline whispering gallery mode resonators is investigated. The example of CaF2 is used to show that spontaneous Raman scattering is the main limitation of the quality factor at low temperatures. Stimulated Raman scattering is also shown to be important at any temperature. We experimentally demonstrate nonlinear absorption due to stimulated Raman scattering in a real cavity at room temperature and theoretically derive Raman gain of CaF2. We conclude that optical storage times in excess of one second could be achieved in millimeter sized cavities.

© 2007 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(230.5750) Optical devices : Resonators
(290.0290) Scattering : Scattering

ToC Category:
Nonlinear Optics

Original Manuscript: January 16, 2007
Revised Manuscript: February 13, 2007
Manuscript Accepted: February 13, 2007
Published: March 19, 2007

Ivan S. Grudinin, Andrey B. Matsko, and Lute Maleki, "On the fundamental limits of Q factor of crystalline dielectric resonators," Opt. Express 15, 3390-3395 (2007)

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