Stabilized frequency comb with a self-referenced femtosecond Cr:forsterite laser.
A frequency comb is generated with a Cr:forsterite femtosecond laser, spectrally broadened through a highly nonlinear optical fiber to span from 1.0 to 2.2 ,m, and stabilized using the f-to-2f self-referencing technique. The repetition rate and the carrier-envelope offset frequency are stabilized to a hydrogen maser, calibrated by a cesium atomic fountain clock. Simultaneous frequency measurement of a 657-nm cw laser by use of the stabilized frequency combs from this Cr:forsterite system and a Ti:sapphire laser agree at the 10(-13) level. The frequency noise of the comb components is observed at 1064, 1314, and 1550 nm by comparing the measured beat frequencies between cw lasers and the supercontinuum frequency combs.
Kim
K
K
National Institute of Standards and Technology, Boulder, Colorado 80305, USA. kskim@boulder.nist.gov
Washburn
B R
BR
Wilpers
G
G
Oates
C W
CW
Hollberg
L
L
Newbury
N R
NR
Diddams
S A
SA
Nicholson
J W
JW
Yan
M F
MF