87Rb-stabilized 375-MHz Yb:fiber femtosecond frequency comb

Schratwieser, Thomas C. and Balskus, Karolis and McCracken, Richard A. and Farrell, Carl and Leburn, Christopher G. and Zhang, Zhaowei and Lamour, Tobias P. and Ferreiro, Teresa I. and Marandi, Alireza and Arnold, Aidan and Reid, Derryck T. (2014) 87Rb-stabilized 375-MHz Yb:fiber femtosecond frequency comb. Optics Express, 22 (9). pp. 10494-10499. ISSN 1094-4087

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    Abstract

    We report a fully stabilized 1030-nm Yb-fiber frequency comb operating at a pulse repetition frequency of 375 MHz. The comb spacing was referenced to a Rb-stabilized microwave synthesizer and the comb offset was stabilized by generating a super-continuum containing a coherent component at 780.2 nm which was heterodyned with a 87Rb-stabilized external cavity diode laser to produce a radio-frequency beat used to actuate the carrier-envelope offset frequency of the Yb-fiber laser. The two-sample frequency deviation of the locked comb was 235 kHz for an averaging time of 50 seconds, and the comb remained locked for over 60 minutes with a root mean squared deviation of 236 kHz.

    ORCID iDs

    Schratwieser, Thomas C., Balskus, Karolis, McCracken, Richard A., Farrell, Carl, Leburn, Christopher G., Zhang, Zhaowei, Lamour, Tobias P., Ferreiro, Teresa I., Marandi, Alireza, Arnold, Aidan ORCID logoORCID: https://orcid.org/0000-0001-7084-6958 and Reid, Derryck T.;