Quantum state transfer between distant nodes of a quantum network via adiabatic passage

Y. L. Zhou, Y. M. Wang, L. M. Liang, and C. Z. Li
Phys. Rev. A 79, 044304 – Published 29 April 2009

Abstract

A scheme is presented to realize transfer of a three-dimensional quantum state between two atoms trapped in distant cavities connected by an optical fiber, whose mode is resonant with the polarization cavity modes. Performing an adiabatic passage along dark states, the fiber mode remains in the vacuum state and the population of the cavities being excited can be negligible under certain conditions. In addition, atomic transitions in our scheme are largely detuned from cavity modes. As a consequence, the atomic spontaneous emission and the fiber decay can be effectively eliminated. Furthermore, we give some discussions about the fidelity of our scheme.

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  • Received 6 March 2009

DOI:https://doi.org/10.1103/PhysRevA.79.044304

©2009 American Physical Society

Authors & Affiliations

Y. L. Zhou*, Y. M. Wang, L. M. Liang, and C. Z. Li

  • Department of Physics, National University of Defense Technology, Changsha 410073, China

  • *ylzhou27@yahoo.com.cn

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Issue

Vol. 79, Iss. 4 — April 2009

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