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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 7 — Mar. 29, 2010
  • pp: 6604–6612

Precise intensity correlation measurement for atomic resonance fluorescence from optical molasses

Kazuyuki Nakayama, Yutaka Yoshikawa, Hisatoshi Matsumoto, Yoshio Torii, and Takahiro Kuga  »View Author Affiliations

Optics Express, Vol. 18, Issue 7, pp. 6604-6612 (2010)

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We measured the intensity correlation of true thermal light scattered from cold atoms in an optical molasses. Using a single-mode fiber as a transverse mode filter, measurement with maximally high spatial coherence was realized, allowing us to observe ideal photon bunching with unprecedented precision. The measured intensity correlation functions showed a definite bimodal structure with fast damped oscillation from the maximum value of 2.02(3) and slow monotonic decay toward unity. The oscillation can be understood as an interference between elastic and inelastic scattering fields in resonance fluorescence.

© 2010 Optical Society of America

OCIS Codes
(030.5260) Coherence and statistical optics : Photon counting
(270.5290) Quantum optics : Photon statistics
(020.3320) Atomic and molecular physics : Laser cooling

ToC Category:
Atomic and Molecular Physics

Original Manuscript: January 29, 2010
Revised Manuscript: February 9, 2010
Manuscript Accepted: February 9, 2010
Published: March 15, 2010

Kazuyuki Nakayama, Yutaka Yoshikawa, Hisatoshi Matsumoto, Yoshio Torii, and Takahiro Kuga, "Precise intensity correlation measurement for atomic resonance fluorescence from optical molasses," Opt. Express 18, 6604-6612 (2010)

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