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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 10 — May. 15, 2009
  • pp: 1573–1575

High-resolution optical frequency dissemination on a telecommunications network with data traffic

Fabien Kéfélian, Olivier Lopez, Haifeng Jiang, Christian Chardonnet, Anne Amy-Klein, and Giorgio Santarelli  »View Author Affiliations


Optics Letters, Vol. 34, Issue 10, pp. 1573-1575 (2009)
http://dx.doi.org/10.1364/OL.34.001573


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Abstract

We transferred the frequency of an ultrastable laser over a 108 - km -long urban fiber link comprising 22 km of an optical communications network fiber simultaneously carrying Internet data traffic. The metrological signal and the digital data signal were transferred over two different frequency channels in a dense wavelength-division multiplexing scheme. The metrological signal was inserted in and extracted from the communication network using bidirectional off-the-shelf optical add–drop multiplexers. The link-induced phase noise was measured and canceled with a round-trip technique using an all-fiber-based interferometer. The compensated link showed an Allan deviation of a few 10 16 at 1 s and below 10 19 at 10,000 s . This work paves the way to a wide dissemination of ultrastable optical clock signals between distant laboratories via the Internet.

© 2009 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:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: March 18, 2009
Manuscript Accepted: March 30, 2009
Published: May 13, 2009

Citation
Fabien Kéfélian, Olivier Lopez, Haifeng Jiang, Christian Chardonnet, Anne Amy-Klein, and Giorgio Santarelli, "High-resolution optical frequency dissemination on a telecommunications network with data traffic," Opt. Lett. 34, 1573-1575 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-10-1573

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