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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 6 — Mar. 15, 2007
  • pp: 644–646

Directional escape from a high-Q deformed microsphere induced by short CO 2 laser pulses

Yun-Feng Xiao, Chun-Hua Dong, Zheng-Fu Han, Guang-Can Guo, and Young-Shin Park  »View Author Affiliations

Optics Letters, Vol. 32, Issue 6, pp. 644-646 (2007)

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Nonaxisymmetric fused-silica microspheres were fabricated by using only one microsphere by virtue of short pulses of a CO 2 laser. Highly directional emission from whispering-gallery modes (WGMs) was studied through direct free-space evanescent excitation. The observed quality factors of WGMs are high, up to 2 × 10 7 , despite this deformation. We show that WGMs in slightly deformed microspheres possibly play an important role in cavity quantum electrodynamics research.

© 2007 Optical Society of America

OCIS Codes
(140.3410) Lasers and laser optics : Laser resonators
(230.5750) Optical devices : Resonators
(350.3950) Other areas of optics : Micro-optics

ToC Category:
Lasers and Laser Optics

Original Manuscript: September 28, 2006
Revised Manuscript: November 22, 2006
Manuscript Accepted: November 22, 2006
Published: February 15, 2007

Yun-Feng Xiao, Chun-Hua Dong, Zheng-Fu Han, Guang-Can Guo, and Young-Shin Park, "Directional escape from a high-Q deformed microsphere induced by short CO2 laser pulses," Opt. Lett. 32, 644-646 (2007)

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