Abstract
We present an optically stabilized Yb:KYW fs- laser frequency comb. We use an f-2f nonlinear interfer- ometer to measure the carrier envelope offset frequency (f0) and the heterodyne beatnote between the comb and a stable CW laser at 1068 nm to detect fluctuations in the comb repetition rate (frep). Both of these degrees of free- dom of the comb are then controlled using phase-locked loops. As a demonstration of the frequency-stabilized comb, we generate low-phase-noise 10 GHz microwaves through detection of the pulse train on a high bandwidth photodiode. The phase noise of the resulting 10 GHz microwaves was -99 dBc/Hz at 1 Hz and the corre- sponding Allen deviation was \2.6 9 10 -15 at 1 s, mea-
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