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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 4 — Feb. 24, 2014
  • pp: 4277–4289

Phase-controlled localization and directed transport in an optical bipartite lattice

Kuo Hai, Yunrong Luo, Gengbiao Lu, and Wenhua Hai  »View Author Affiliations


Optics Express, Vol. 22, Issue 4, pp. 4277-4289 (2014)
http://dx.doi.org/10.1364/OE.22.004277


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Abstract

We investigate coherent control of a single atom interacting with an optical bipartite lattice via a combined high-frequency modulation. Our analytical results show that the quantum tunneling and dynamical localization can depend on phase difference between the modulation components, which leads to a different route for the coherent destruction of tunneling and a convenient phase-control method for stabilizing the system to implement the directed transport of atom. The similar directed transport and the phase-controlled quantum transition are revealed for the corresponding many-particle system. The results can be referable for experimentally manipulating quantum transport and transition of cold atoms in the tilted and shaken optical bipartite lattice or of analogical optical two-mode quantum beam splitter, and also can be extended to other optical and solid-state systems.

© 2014 Optical Society of America

OCIS Codes
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(020.1670) Atomic and molecular physics : Coherent optical effects
(270.0270) Quantum optics : Quantum optics
(020.1475) Atomic and molecular physics : Bose-Einstein condensates

ToC Category:
Quantum Optics

History
Original Manuscript: November 14, 2013
Revised Manuscript: December 22, 2013
Manuscript Accepted: February 11, 2014
Published: February 18, 2014

Citation
Kuo Hai, Yunrong Luo, Gengbiao Lu, and Wenhua Hai, "Phase-controlled localization and directed transport in an optical bipartite lattice," Opt. Express 22, 4277-4289 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-4-4277


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