Femtosecond optical-to-microwave frequency divider with a relative instability of 10{sup −14}−10{sup −16}(τ=1−100 s)

We have developed a low-noise optical-to-microwave frequency divider based on a femtosecond erbium fibre laser. The source of an optical signal was a He−Ne/CH{sub 4} frequency standard. Comparison of two frequency dividers showed that the relative instability of output microwave signals, introduced...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2016-01, Vol.46 (12)
Main Authors: Kireev, A. N., Tausenev, A. V., Tyurikov, D. A., Shelkovnikov, A. S., Konyashchenko, A. V., Gubin, M. A., Shepelev, D.V.
Format: Article
Language:English
Subjects:
ENGINEERING
ERBIUM
FIBERS
INSTABILITY
LASERS
MICROWAVE RADIATION
NOISE
OSCILLATORS
SIGNALS
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Summary:We have developed a low-noise optical-to-microwave frequency divider based on a femtosecond erbium fibre laser. The source of an optical signal was a He−Ne/CH{sub 4} frequency standard. Comparison of two frequency dividers showed that the relative instability of output microwave signals, introduced by the dividers, is 10{sup −14}−10{sup −16} for the averaging time τ=1−100 s. The instability obtained corresponds to the requirements imposed on interrogative oscillators for time and frequency standards based on Cs or Rb atomic fountains. (letters)
ISSN:1063-7818
DOI:10.1070/QEL16257