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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 20, Iss. 1 — Jan. 1, 2003
  • pp: 157–162

Dispersion compensation in whispering-gallery modes

Vladimir S. Ilchenko, Anatoliy A. Savchenkov, Andrey B. Matsko, and Lute Maleki  »View Author Affiliations

JOSA A, Vol. 20, Issue 1, pp. 157-162 (2003)

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We show that manipulation by a spatial profile of the refractive index of a circularly symmetric dielectric cavity results in a novel way of fine tuning frequency separations as well as spatial localizations of high-Q whispering-gallery modes excited in the cavity. The method permits dispersion compensation in the modes (spectrum equalization), diminishes the quality-factor limitation by surface roughness and contamination, and allows critical coupling to ultra-high-Q modes without maintaining an air gap with evanescent couplers.

© 2003 Optical Society of America

OCIS Codes
(220.4830) Optical design and fabrication : Systems design
(230.1150) Optical devices : All-optical devices
(230.5750) Optical devices : Resonators
(260.2030) Physical optics : Dispersion

Original Manuscript: May 29, 2002
Revised Manuscript: July 31, 2002
Manuscript Accepted: August 9, 2002
Published: January 1, 2003

Vladimir S. Ilchenko, Anatoliy A. Savchenkov, Andrey B. Matsko, and Lute Maleki, "Dispersion compensation in whispering-gallery modes," J. Opt. Soc. Am. A 20, 157-162 (2003)

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