A low-threshold self-referenced Ti:Sapphire optical frequency comb.
We demonstrate an octave-spanning, self-referenced optical frequency comb produced with a high-repetition-rate (frep=585 MHz) femtosecond Ti:Sapphire laser that requires less than 1 W of 532 nm pump power. The frequency comb was stabilized to a CW laser as required for optical clocks and low noise frequency synthesis. These results should be relevant for applications that require more-compact and efficient frequency combs.
Kirchner
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MS
Fortier
T M
TM
Bartels
A
A
Diddams
S A
SA