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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 9 — May. 1, 2012
  • pp: 1586–1588

Azimuthal-order variations of surface-roughness-induced mode splitting and scattering loss in high-Q microdisk resonators

Qing Li, Ali A. Eftekhar, Zhixuan Xia, and Ali Adibi  »View Author Affiliations


Optics Letters, Vol. 37, Issue 9, pp. 1586-1588 (2012)
http://dx.doi.org/10.1364/OL.37.001586


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Abstract

We report an experimental observation of strong variations of quality factor and mode splitting among whispering-gallery modes with the same radial order and different azimuthal orders in a scattering-limited microdisk resonator. A theoretical analysis based on the statistical properties of the surface roughness reveals that mode splittings for different azimuthal orders are uncorrelated, and variations of mode splitting and quality factor among the same radial mode family are possible. Simulation results agree well with the experimental observations.

© 2012 Optical Society of America

OCIS Codes
(230.3990) Optical devices : Micro-optical devices
(140.3945) Lasers and laser optics : Microcavities

ToC Category:
Optical Devices

History
Original Manuscript: November 25, 2011
Revised Manuscript: February 15, 2012
Manuscript Accepted: February 29, 2012
Published: May 2, 2012

Citation
Qing Li, Ali A. Eftekhar, Zhixuan Xia, and Ali Adibi, "Azimuthal-order variations of surface-roughness-induced mode splitting and scattering loss in high-Q microdisk resonators," Opt. Lett. 37, 1586-1588 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-9-1586


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