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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 3, Iss. 3 — Mar. 10, 2005
  • pp: 176–178

Conditional quantum CNOT gate between two four-level atoms

Yang Fan  »View Author Affiliations


Chinese Optics Letters, Vol. 3, Issue 3, pp. 176-178 (2005)


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Abstract

We propose a scheme to implement a quantum controlled-NOT (CNOT) gate between two four-level atoms inside the detuned optical cavity. The system state is evolved inside the decoherence-free (DF) subspace through stimulated Raman processes, which yields the desired unitary evolution operation for the CNOT. Our scheme is immune to decoherence due to dissipation of cavity excitation and spontaneous emission from the excited atomic level.

© 2005 Chinese Optics Letters

OCIS Codes
(000.2690) General : General physics
(270.0270) Quantum optics : Quantum optics

Citation
Yang Fan, "Conditional quantum CNOT gate between two four-level atoms," Chin. Opt. Lett. 3, 176-178 (2005)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-3-3-176

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