Title :
Modulation-dependent frequency shifts in CPT-based atomic clocks
Author :
Novikova, I. ; Phillips, D.F. ; Waiig, C. ; Walsworth, R.L. ; Crescimanno, M.
Author_Institution :
Harvard-Smithsonian Center for Astrophys., Cambridge, MA, USA
Abstract :
When frequency modulation is used to detect coherent population trapping resonances, shifts proportional to the modulation parameters and the laser detuning from the excited state are observed. These shifts limit the stability of CPT-based atomic clocks.
Keywords :
atom-photon collisions; atomic clocks; electro-optical modulation; frequency modulation; hyperfine structure; phase modulation; radiation pressure; resonant states; spectral line shift; CPT resonances; atomic clocks; clock stability; coherent population trapping; electrooptical modulator; excited state; frequency modulation; hyperfine splitting; laser detuning; modulation-dependent frequency shifts; phase modulation;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6
