Dependence of small-scale atomic clock performance on frequency modulation parameters used in the frequency control loop.
We demonstrate a direct correspondence between FM parameters used in a frequency-locked loop that is based on multifield FM spectroscopy and the stability of a small-scale coherent population trapping atomic clock. Optimized FM parameters lead to an Allan deviation of 2.8 x 10(-11)/square root tau, while the clock stability deteriorates in a predictable manner for the other FM parameters.
Kahanov
Matan
M
Electrical Engineering Department, Technion-Israel Institute of Technology Technion, Haifa 32000, Israel. kahanovm@tx.technion.ac.il
Ben-Aroya
Ido
I
Eisenstein
Gadi
G