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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 8, Iss. 11 — May. 21, 2001
  • pp: 605–610

Locking a microsphere whispering-gallery mode to a laser

J. P. Rezac and A. T. Rosenberger  »View Author Affiliations


Optics Express, Vol. 8, Issue 11, pp. 605-610 (2001)
http://dx.doi.org/10.1364/OE.8.000605


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Abstract

We have locked a whispering-gallery resonance of a fused-silica microsphere to a frequency-scanning laser. The resonance frequency is modulated by axial compression of the microsphere, and phase-sensitive detection of the fiber-coupled optical throughput is used for locking. Using a laser wavelength of either 1570 nm or 830 nm, we demonstrate a locked tracking range exceeding 30 GHz for a microsphere of 120 GHz free spectral range. This performance has been enabled by an improved compression tuner design that allows coarse tuning over 1 THz and piezoelectric tuning over 80 GHz. Compression modulation rates of up to 13 kHz have also been achieved with this tuner.

© Optical Society of America

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(140.4780) Lasers and laser optics : Optical resonators
(230.5750) Optical devices : Resonators

ToC Category:
Research Papers

History
Original Manuscript: March 21, 2001
Published: May 21, 2001

Citation
Jeromy Rezac and Albert Rosenberger, "Locking a microsphere whispering-gallery mode to a laser," Opt. Express 8, 605-610 (2001)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-8-11-605


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References

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