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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 15 — Jul. 25, 2005
  • pp: 5662–5668

Circumvention of noise contributions in fiber laser based frequency combs

Erik Benkler, Harald R. Telle, Armin Zach, and Florian Tauser  »View Author Affiliations

Optics Express, Vol. 13, Issue 15, pp. 5662-5668 (2005)

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We investigate the performance of an Er:fiber laser based femtosecond frequency comb for precision metrological applications. Instead of an active stabilization of the comb, the fluctuations of the carrier-envelope offset phase, the repetition phase, and the phase of the beat from a comb line with an optical reference are synchronously detected. We show that these fluctuations can be effectively eliminated by exploiting their known correlation. In our experimental scheme, we utilize two identically constructed frequency combs for the measurement of the fluctuations, rejecting the influence of a shared optical reference. From measuring a white frequency noise level, we demonstrate that a fractional frequency instability better than 1.4 × 10-14 for 1 s averaging time can be achieved in frequency metrology applications using the Er:fiber based frequency comb.

© 2005 Optical Society of America

OCIS Codes
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(120.4800) Instrumentation, measurement, and metrology : Optical standards and testing
(140.3510) Lasers and laser optics : Lasers, fiber
(320.7160) Ultrafast optics : Ultrafast technology

ToC Category:
Research Papers

Original Manuscript: June 3, 2005
Revised Manuscript: July 7, 2005
Published: July 25, 2005

Erik Benkler, Harald Telle, Armin Zach, and Florian Tauser, "Circumvention of noise contributions in fiber laser based frequency combs," Opt. Express 13, 5662-5668 (2005)

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