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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 9 — May. 1, 2006
  • pp: 1250–1252

Lasing modes in a spiral-shaped dielectric microcavity

Tea-Yoon Kwon, Soo-Young Lee, Michael S. Kurdoglyan, Sunghwan Rim, Chil-Min Kim, and Young-Jai Park  »View Author Affiliations


Optics Letters, Vol. 31, Issue 9, pp. 1250-1252 (2006)
http://dx.doi.org/10.1364/OL.31.001250


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Abstract

The resonance patterns and lasing modes in a spiral-shaped dielectric microcavity are investigated through passive and active medium calculations. We find that the high-Q resonance modes are whispering-gallery-like modes, and these resonance modes can be easily excited as lasing modes. We also find that the quasi-scarred resonance mode, which shows strong directional emission beams from the cavity boundary, can be excited with selectively applied external pumping. Through a spectral analysis of the time evolution of the light field, the competition between these lasing modes is discussed.

© 2006 Optical Society of America

OCIS Codes
(140.4780) Lasers and laser optics : Optical resonators
(140.5960) Lasers and laser optics : Semiconductor lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: October 26, 2005
Revised Manuscript: January 5, 2006
Manuscript Accepted: February 2, 2006

Citation
Tea-Yoon Kwon, Soo-Young Lee, Michael S. Kurdoglyan, Sunghwan Rim, Chil-Min Kim, and Young-Jai Park, "Lasing modes in a spiral-shaped dielectric microcavity," Opt. Lett. 31, 1250-1252 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-9-1250

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