Full phase stabilization of a Yb:fiber femtosecond frequency comb via high-bandwidth transducers

C. Benko, A. Ruehl, M.J. Martin, K.S.E. Eikema, M.E. Fermann, I. Hartl, J. Ye

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Abstract

We present full phase stabilization of an amplified Yb:fiber femtosecond frequency comb using an intracavity electro-optic modulator and an acousto-optic modulator. These transducers provide high servo bandwidths of 580 kHz and 250 kHz for f rep and f ceo, producing a robust and low phase noise fiber frequency comb. The comb was self-referenced with an f - 2f interferometer and phase locked to an ultrastable optical reference used for the JILA Sr optical clock at 698 nm, exhibiting 0.21 rad and 0.47 rad of integrated phase errors (over 1 mHz-1 MHz), respectively. Alternatively, the comb was locked to two optical references at 698 nm and 1064 nm, obtaining 0.43 rad and 0.14 rad of integrated phase errors, respectively. © 2012 Optical Society of America.
Original languageEnglish
Pages (from-to)2196-2198
JournalOptics Letters
Volume37
Issue number12
DOIs
Publication statusPublished - 2012

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