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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 5 — Mar. 1, 2009
  • pp: 638–640

High-performance, vibration-immune, fiber-laser frequency comb

Esther Baumann, Fabrizio R. Giorgetta, Jeffrey W. Nicholson, William C. Swann, Ian Coddington, and Nathan R. Newbury  »View Author Affiliations


Optics Letters, Vol. 34, Issue 5, pp. 638-640 (2009)
http://dx.doi.org/10.1364/OL.34.000638


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Abstract

We demonstrate an environmentally robust optical frequency comb based on a polarization-maintaining, all-fiber, figure-eight laser. The comb is phase locked to a cavity-stabilized cw laser by use of an intracavity electro-optic phase modulator yielding 1.6 MHz feedback bandwidth. This high bandwidth provides close to shot-noise-limited residual phase noise between the comb and cw reference laser of 94 dBc Hz from 20 Hz to 200 kHz and an integrated in-loop phase noise of 32 mrad from 1 Hz to 1 MHz . Moreover, the comb remains phase locked under significant mechanical vibrations of over 1 g . This level of environmental robustness is an important step toward a fieldable fiber frequency comb.

OCIS Codes
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(140.3510) Lasers and laser optics : Lasers, fiber
(320.7090) Ultrafast optics : Ultrafast lasers

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: November 12, 2008
Revised Manuscript: January 13, 2009
Manuscript Accepted: January 14, 2009
Published: February 24, 2009

Citation
Esther Baumann, Fabrizio R. Giorgetta, Jeffrey W. Nicholson, William C. Swann, Ian Coddington, and Nathan R. Newbury, "High-performance, vibration-immune, fiber-laser frequency comb," Opt. Lett. 34, 638-640 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-5-638

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