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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 5, Iss. 11 — Nov. 22, 1999
  • pp: 249–261

Spatial correlation diagnostics for atoms in optical lattices

J. Grondalski, P. M. Alsing, and I. H. Deutsch  »View Author Affiliations

Optics Express, Vol. 5, Issue 11, pp. 249-261 (1999)

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We explore the use of first and second order same-time atomic spatial correlation functions as a diagnostic for probing the small scale spatial structure of atomic samples trapped in optical lattices. Assuming an ensemble of equivalent atoms, properties of the local wave function at a given lattice site can be measured using same-position first-order correlations. Statistics of atomic distributions over the lattice can be measured via two-point correlations, generally requiring the averaging of multiple realizations of statistically similar but distinct realizations in order to obtain sufficient signal to noise. Whereas two-point first order correlations are fragile due to phase fluctuations from shot-to-shot in the ensemble, second order correlations are robust. We perform numerical simulations to demonstrate these diagnostic tools.

© Optical Society of America

OCIS Codes
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(110.0110) Imaging systems : Imaging systems
(140.3320) Lasers and laser optics : Laser cooling

ToC Category:
Research Papers

Original Manuscript: September 8, 1999
Published: November 22, 1999

John Grondalski, Paul Alsing, and Ivan Deutsch, "Spatial correlation diagnostics for atoms in optical lattices," Opt. Express 5, 249-261 (1999)

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