Frequency comb-based time transfer over a 159 km long installed fiber network
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We demonstrate a frequency comb-based time transfer technique on a 159 km long installed fiber link. Timing information is superimposed onto the optical pulse train of an ITU-channel-filtered mode-locked laser using an intensity modulation scheme. The environmentally induced optical path length fluctuations are compensated using a round-trip phase noise cancellation technique. When the fiber link is stabilized, a time deviation of 300 fs at 5 s and an accuracy at the 100 ps level are achieved.
Lessing , M , Margolis , H , Brown , C T A & Marra , G 2017 , ' Frequency comb-based time transfer over a 159 km long installed fiber network ' Applied Physics Letters , vol 110 , no. 22 , 221101 . DOI: 10.1063/1.4984144
Applied Physics Letters
© 2017, the Author(s). This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at aip.scitation.org / https://doi.org/10.1063/1.4984144
ML acknowledges support from the Engineering and Physical Sciences Research Council (EPSRC) through the Centre for Doctoral Training in Applied Photonics.
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