Long-term stable remote laser synchronization over a 3.5-km fiber link with 
one-femtosecond residual timing jitter

Xin, Ming; Şafak, Kemal; Peng, Michael Y.; Callahan, Patrick T.; Kärtner, Franz X.

doi:10.1109/URSIGASS.2014.6929048

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Long-term stable remote laser synchronization over a 3.5-km fiber link with one-femtosecond residual timing jitter

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Şafak, Kemal
Center for Free-Electron Laser Science, Deutsches Elektronen-Synchrotron, Notkestraße 85, Hamburg 22607, Germany ;
Physics Department, University of Hamburg and the Hamburg Center for Ultrafast Imaging, Luruper Chaussee 149, 22761 Hamburg, Germany;
International Max Planck Research School for Ultrafast Imaging & Structural Dynamics (IMPRS-UFAST), Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

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http://dx.doi.org/10.1109/URSIGASS.2014.6929048
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Citation

Xin, M., Şafak, K., Peng, M. Y., Callahan, P. T., & Kärtner, F. X. (2014). Long-term stable remote laser synchronization over a 3.5-km fiber link with one-femtosecond residual timing jitter. In 2014 XXXIth URSI General Assembly and Scientific Symposium. IEEE. doi:10.1109/URSIGASS.2014.6929048.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002B-0F31-8

Abstract

Long-term stable timing distribution over a 3.5-km polarization maintaining (PM) fiber link using balanced optical cross-correlators (BOC) for link stabilization and optical-to-optical synchronization is demonstrated. Link operation over 80 hours showed only 0.36 fs RMS timing jitter and drift integrated from 100 μHz to 1 MHz, and remote laser synchronization over 36 hours showed a residual timing jitter and drift of only 0.93 fs integrated from 100 μHz to 1MHz. This level of timing precision can closely meet the timing requirements of the next generation of free-electron lasers (FELs).