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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Henry M. Van Driel
  • Vol. 25, Iss. 8 — Aug. 1, 2008
  • pp: 1284–1293

High-stability transfer of an optical frequency over long fiber-optic links

P. A. Williams, W. C. Swann, and N. R. Newbury  »View Author Affiliations

JOSA B, Vol. 25, Issue 8, pp. 1284-1293 (2008)

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We present theoretical predictions and experimental measurements for the achievable phase noise, timing jitter, and frequency stability in the coherent transport of an optical frequency over a fiber-optic link. Both technical and fundamental limitations to the coherent transfer are discussed. Measurements of the coherent transfer of an optical carrier over links ranging from 38 to 251 km demonstrate good agreement with theory. With appropriate experimental design and bidirectional transfer on a single optical fiber, the frequency instability at short times can reach the fundamental limit imposed by delay-unsuppressed phase noise from the fiber link, yielding a frequency instability that scales as link length to the 3 2 power. For two-way transfer on separate outgoing and return fibers, the instability is severely limited by differential fiber noise.

© 2008 Optical Society of America

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: February 25, 2008
Revised Manuscript: May 2, 2008
Manuscript Accepted: May 31, 2008
Published: July 17, 2008

P. A. Williams, W. C. Swann, and N. R. Newbury, "High-stability transfer of an optical frequency over long fiber-optic links," J. Opt. Soc. Am. B 25, 1284-1293 (2008)

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