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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 3 — Feb. 10, 2014
  • pp: 3501–3513

Coherent all-optical control of ultracold atoms arrays in permanent magnetic traps

Ahmed Abdelrahman, Tetsuya Mukai, Hartmut Häffner, and Tim Byrnes  »View Author Affiliations

Optics Express, Vol. 22, Issue 3, pp. 3501-3513 (2014)

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We propose a hybrid architecture for quantum information processing based on magnetically trapped ultracold atoms coupled via optical fields. The ultracold atoms, which can be either Bose-Einstein condensates or ensembles, are trapped in permanent magnetic traps and are placed in microcavities, connected by silica based waveguides on an atom chip structure. At each trapping center, the ultracold atoms form spin coherent states, serving as a quantum memory. An all-optical scheme is used to initialize, measure and perform a universal set of quantum gates on the single and two spin-coherent states where entanglement can be generated addressably between spatially separated trapped ultracold atoms. This allows for universal quantum operations on the spin coherent state quantum memories. We give detailed derivations of the composite cavity system mediated by a silica waveguide as well as the control scheme. Estimates for the necessary experimental conditions for a working hybrid device are given.

© 2014 Optical Society of America

OCIS Codes
(020.1475) Atomic and molecular physics : Bose-Einstein condensates
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

Original Manuscript: October 17, 2013
Revised Manuscript: December 9, 2013
Manuscript Accepted: December 10, 2013
Published: February 6, 2014

Ahmed Abdelrahman, Tetsuya Mukai, Hartmut Häffner, and Tim Byrnes, "Coherent all-optical control of ultracold atoms arrays in permanent magnetic traps," Opt. Express 22, 3501-3513 (2014)

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