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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 16 — Aug. 2, 2010
  • pp: 16849–16857

Cascaded multiplexed optical link on a telecommunication network for frequency dissemination

Olivier Lopez, Adil Haboucha, Fabien Kéfélian, Haifeng Jiang, Bruno Chanteau, Vincent Roncin, Christian Chardonnet, Anne Amy-Klein, and Giorgio Santarelli  »View Author Affiliations

Optics Express, Vol. 18, Issue 16, pp. 16849-16857 (2010)

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We demonstrate a cascaded optical link for ultrastable frequency dissemination comprised of two compensated links of 150 km and a repeater station. Each link includes 114 km of Internet fiber simultaneously carrying data traffic through a dense wavelength division multiplexing technology, and passes through two routing centers of the telecommunication network. The optical reference signal is inserted in and extracted from the communication network using bidirectional optical add-drop multiplexers. The repeater station operates autonomously ensuring noise compensation on the two links and the ultra-stable signal optical regeneration. The compensated link shows a fractional frequency instability of 3 × 10−15 at one second measurement time and 5 × 10−20 at 20 hours. This work paves the way to a wide dissemination of ultra-stable optical clock signals between distant laboratories via the Internet network.

© 2010 OSA

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(140.0140) Lasers and laser optics : Lasers and laser optics

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: June 16, 2010
Revised Manuscript: July 16, 2010
Manuscript Accepted: July 17, 2010
Published: July 23, 2010

Olivier Lopez, Adil Haboucha, Fabien Kéfélian, Haifeng Jiang, Bruno Chanteau, Vincent Roncin, Christian Chardonnet, Anne Amy-Klein, and Giorgio Santarelli, "Cascaded multiplexed optical link on a telecommunication network for frequency dissemination," Opt. Express 18, 16849-16857 (2010)

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