Subfemtosecond timing jitter between two independent, actively synchronized, mode-locked lasers.
With the implementation of a fast-bandwidth servo, along with improved laser construction and associated better passive stability, we have achieved subfemtosecond relative timing jitter between two independent, actively synchronized, mode-locked Ti:sapphire lasers. Timing jitter of 0.58 fs is obtained with a 160-Hz observation bandwidth over several seconds. Within a 2-MHz observation bandwidth, the timing jitter is 1.75 fs. Excellent repeatability and rapid speed in setting an arbitrary time delay between two pulses are also demonstrated.
Shelton
Robert K
RK
Foreman
Seth M
SM
Ma
Long-Sheng
LS
Hall
John L
JL
Kapteyn
Henry C
HC
Murnane
Margaret M
MM
Notcutt
Mark
M
Ye
Jun
J