期刊
OPTICS EXPRESS
卷 21, 期 10, 页码 12451-12459出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.21.012451
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资金
- Agence Nationale de la Recherche (ANR)
- Delegation Generale de l'Armement in the frame of ISIMAC project [ANR-11-ASTR-0004]
- Region de Franche-Comte
- Agence Nationale de la Recherche (ANR) [ANR-11-ASTR-0004] Funding Source: Agence Nationale de la Recherche (ANR)
We report on the detection of high-contrast and narrow Coherent Population Trapping (CPT) Ramsey fringes in a Cs vapor cell using a simple-architecture laser system. The latter allows the combination of push-pull optical pumping (PPOP) and a temporal Ramsey-like pulsed interrogation. An originality of the optics package is the use of a single Mach-Zehnder electro-optic modulator (MZ EOM) both for optical side-bands generation and light switch for pulsed interaction. Typical Ramsey fringes with a linewidth of 166 Hz and a contrast of 33 % are detected in a cm-scale buffer-gas filled Cs vapor cell. This technique could be interesting for the development of high-performance and low power consumption compact vapor cell clocks based on CPT. (C) 2013 Optical Society of America
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