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Optics Letters

Optics Letters


  • Vol. 24, Iss. 21 — Nov. 1, 1999
  • pp: 1499–1501

Frequency locking a laser to an optical cavity by use of spatial mode interference

D. A. Shaddock, M. B. Gray, and D. E. McClelland  »View Author Affiliations

Optics Letters, Vol. 24, Issue 21, pp. 1499-1501 (1999)

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We present a novel technique to frequency lock a laser to an optical cavity. This technique, tilt locking, utilizes a misalignment of the laser with respect to the cavity to produce a nonresonant spatial mode. By observing the interference between the carrier and the spatial mode one can obtain a quantum-noise-limited frequency discriminator. Tilt locking offers a number of potential benefits over existing locking schemes, including low cost, high sensitivity, and simple implementation.

© 1999 Optical Society of America

OCIS Codes
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(230.0250) Optical devices : Optoelectronics

D. A. Shaddock, M. B. Gray, and D. E. McClelland, "Frequency locking a laser to an optical cavity by use of spatial mode interference," Opt. Lett. 24, 1499-1501 (1999)

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