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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 10 — May. 20, 2013
  • pp: 12451–12459

Ramsey spectroscopy of high-contrast CPT resonances with push-pull optical pumping in Cs vapor

X. Liu, J-M. Mérolla, S. Guérandel, E. de Clercq, and R. Boudot  »View Author Affiliations


Optics Express, Vol. 21, Issue 10, pp. 12451-12459 (2013)
http://dx.doi.org/10.1364/OE.21.012451


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Abstract

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 sidebands 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.

© 2013 OSA

OCIS Codes
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(020.1670) Atomic and molecular physics : Coherent optical effects

ToC Category:
Atomic and Molecular Physics

History
Original Manuscript: February 28, 2013
Revised Manuscript: April 7, 2013
Manuscript Accepted: April 7, 2013
Published: May 14, 2013

Citation
X. Liu, J-M. Mérolla, S. Guérandel, E. de Clercq, and R. Boudot, "Ramsey spectroscopy of high-contrast CPT resonances with push-pull optical pumping in Cs vapor," Opt. Express 21, 12451-12459 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-10-12451


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