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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 11 — Jun. 1, 2007
  • pp: 1557–1559

Coupling of whispering-gallery modes in size-mismatched microdisk photonic molecules

Svetlana V. Boriskina  »View Author Affiliations


Optics Letters, Vol. 32, Issue 11, pp. 1557-1559 (2007)
http://dx.doi.org/10.1364/OL.32.001557


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Abstract

Mechanisms of whispering-gallery (WG)-mode coupling in microdisk photonic molecules (PMs) with slight and significant size mismatches are numerically investigated. The results reveal two different scenarios of modes interaction depending on the degree of this mismatch and offer new insight into how PM parameters can be tuned to control and modify WG-mode wavelengths and Q factors. From a practical point of view, these findings offer a way to fabricate PM microlaser structures that exhibit low thresholds and directional emission and at the same time are more tolerant to fabrication errors than previously explored coupled-cavity structures composed of identical microresonators.

© 2007 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(140.3410) Lasers and laser optics : Laser resonators
(140.4780) Lasers and laser optics : Optical resonators
(140.5960) Lasers and laser optics : Semiconductor lasers
(230.5750) Optical devices : Resonators
(260.3160) Physical optics : Interference

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: February 8, 2007
Revised Manuscript: March 27, 2007
Manuscript Accepted: March 28, 2007
Published: May 16, 2007

Citation
Svetlana V. Boriskina, "Coupling of whispering-gallery modes in size-mismatched microdisk photonic molecules," Opt. Lett. 32, 1557-1559 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-11-1557


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