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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 12 — Jun. 16, 2014
  • pp: 14904–14912

One-femtosecond, long-term stable remote laser synchronization over a 3.5-km fiber link

Ming Xin, Kemal Şafak, Michael Y. Peng, Patrick T. Callahan, and Franz X. Kärtner  »View Author Affiliations

Optics Express, Vol. 22, Issue 12, pp. 14904-14912 (2014)

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Long-term stable timing distribution over a 3.5-km polarization maintaining (PM) fiber link using balanced optical cross-correlators (BOC) for optical-to-optical synchronization is demonstrated. Remote laser synchronization over 40 hours showed a residual timing jitter and drift of 2.5 fs for the whole locking period and only 1.1 fs integrated from 100 μHz to 1 MHz. This result corresponds to the lowest jitter and drift achieved to date for a multi-km fiber link and remote timing synchronization operating continuously over multiple days.

© 2014 Optical Society of America

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.2420) Fiber optics and optical communications : Fibers, polarization-maintaining
(140.4050) Lasers and laser optics : Mode-locked lasers
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(230.2035) Optical devices : Dispersion compensation devices
(120.4825) Instrumentation, measurement, and metrology : Optical time domain reflectometry

ToC Category:
Fiber Optics

Original Manuscript: April 21, 2014
Revised Manuscript: June 3, 2014
Manuscript Accepted: June 3, 2014
Published: June 10, 2014

Ming Xin, Kemal Şafak, Michael Y. Peng, Patrick T. Callahan, and Franz X. Kärtner, "One-femtosecond, long-term stable remote laser synchronization over a 3.5-km fiber link," Opt. Express 22, 14904-14912 (2014)

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