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Quality-factor enhancement of supermodes in coupled microdisks |
Optics Letters, Vol. 36, Issue 8, pp. 1317-1319 (2011)
http://dx.doi.org/10.1364/OL.36.001317
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Abstract
We investigate the optical modes in a coupled pair of semiconductor microdisks in symmetric and asymmetric configurations both experimentally and theoretically. While the quality factors of coupled first- and second-order whispering gallery modes (WGMs) show a conventional crossing, the quality factors of the same-order WGMs reveal an interesting splitting behavior, leading to the formation of high- and low-quality supermodes. Our results are reproduced by numerical simulations, and an explanation based on optical interference is suggested. Quality-factor splitting is a subtle phenomenon that might help to design microarchitectures for efficient optical coupling in cavity quantum electrodynamic experiments.
© 2011 Optical Society of America
OCIS Codes
(140.4780) Lasers and laser optics : Optical resonators
(250.5230) Optoelectronics : Photoluminescence
(350.3950) Other areas of optics : Micro-optics
(230.4555) Optical devices : Coupled resonators
ToC Category:
Optical Devices
History
Original Manuscript: January 31, 2011
Revised Manuscript: March 8, 2011
Manuscript Accepted: March 9, 2011
Published: April 5, 2011
Citation
M. Benyoucef, J.-B. Shim, J. Wiersig, and O. G. Schmidt, "Quality-factor enhancement of supermodes in coupled microdisks," Opt. Lett. 36, 1317-1319 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-8-1317
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