All-fiber interferometer-based repetition-rate stabilization of mode-locked lasers to 10−14-level frequency instability and 1-fs-level jitter over 1 s

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We report on all-fiber Michelson interferometer-based repetition-rate stabilization of femtosecond mode-locked lasers down to 1.3 × 10−14 frequency instability and 1.4 fs integrated jitter in a 1 s time scale. The use of a compactly packaged 10 km long single-mode fiber (SMF)-28 fiber link as a timing reference allows the scaling of phase noise at a 10 GHz carrier down to −80 dBc∕Hz at 1 Hz Fourier frequency. We also tested a 500 m long low-thermal-sensitivity fiber as a reference and found that, compared to standard SMF-28 fiber, it can mitigate the phase noise divergence by ∼10 dB∕dec in the 0.1–1 Hz Fourier frequency range. These results suggest that the use of a longer low-thermal-sensitivity fiber may achieve sub-femtosecond integrated timing jitter with sub-10−14–level frequency instability in repetition rate by a simple and robust all-fiber-photonic method.
Publisher
OPTICAL SOC AMER
Issue Date
2017-12
Language
English
Article Type
Article
Keywords

LOW PHASE-NOISE; TIMING JITTER; DISTANCE MEASUREMENTS; MICROWAVE SIGNALS; TEMPERATURE; OSCILLATOR; SYNCHRONIZATION; RANGE; TIME

Citation

OPTICS LETTERS, v.42, no.24, pp.5186 - 5189

ISSN
0146-9592
DOI
10.1364/OL.42.005186
URI
http://hdl.handle.net/10203/238809
Appears in Collection
ME-Journal Papers(저널논문)
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