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