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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 2 — Jan. 16, 2012
  • pp: 1775–1782

Dissemination of an optical frequency comb over fiber with 3 × 10−18 fractional accuracy

Giuseppe Marra, Helen S. Margolis, and David J. Richardson  »View Author Affiliations

Optics Express, Vol. 20, Issue 2, pp. 1775-1782 (2012)

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We demonstrate that the structure of an optical frequency comb transferred over several km of fiber can be preserved at a level compatible with the best optical frequency references currently available. Using an optical phase detection technique we measure the noise introduced by the fiber link and suppress it by stabilizing the optical path length. The measured fractional frequency stability of the transferred optical modes is 2 × 10−18 at a few thousand seconds and the mode spacing stability after optical-microwave conversion is better than 4 × 10−17 over the same time scale.

© 2011 OSA

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(120.3940) Instrumentation, measurement, and metrology : Metrology
(140.4050) Lasers and laser optics : Mode-locked lasers

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: October 25, 2011
Revised Manuscript: December 2, 2011
Manuscript Accepted: December 10, 2011
Published: January 11, 2012

Giuseppe Marra, Helen S. Margolis, and David J. Richardson, "Dissemination of an optical frequency comb over fiber with 3 × 10−18 fractional accuracy," Opt. Express 20, 1775-1782 (2012)

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