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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 7 — Apr. 1, 2010
  • pp: 1025–1027

High-stability microwave frequency transfer by propagation of an optical frequency comb over 50 km of optical fiber

Giuseppe Marra, Helen S. Margolis, Stephen N. Lea, and Patrick Gill  »View Author Affiliations

Optics Letters, Vol. 35, Issue 7, pp. 1025-1027 (2010)

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A high-stability microwave frequency reference is transferred over 50 km of spooled optical fiber by propagation of a 90-nm-wide optical frequency comb centered at 1.56 μ m . Environmentally induced fiber phase noise is actively suppressed by returning the optical frequency comb via a separate fiber. The stability of the microwave frequency delivered is measured at the “user” end, eliminating the need for the assumption of correlation between the noise in the forward and return paths. The measured transfer stability is 4.6 × 10 15 τ 1 , rendering this technique suitable for the transfer of state-of-the-art frequency references.

© 2010 Optical Society of America

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.5530) Fiber optics and optical communications : Pulse propagation and temporal solitons
(120.3940) Instrumentation, measurement, and metrology : Metrology
(140.4050) Lasers and laser optics : Mode-locked lasers

ToC Category:
Lasers and Laser Optics

Original Manuscript: November 24, 2009
Revised Manuscript: February 15, 2010
Manuscript Accepted: February 15, 2010
Published: March 30, 2010

Giuseppe Marra, Helen S. Margolis, Stephen N. Lea, and Patrick Gill, "High-stability microwave frequency transfer by propagation of an optical frequency comb over 50 km of optical fiber," Opt. Lett. 35, 1025-1027 (2010)

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