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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 30, Iss. 7 — Jul. 1, 2013
  • pp: 1821–1826

Simple schemes for universal quantum gates with nitrogen-vacancy centers in diamond

Liu-Yong Cheng, Hong-Fu Wang, and Shou Zhang  »View Author Affiliations


JOSA B, Vol. 30, Issue 7, pp. 1821-1826 (2013)
http://dx.doi.org/10.1364/JOSAB.30.001821


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Abstract

We propose efficient schemes for universal quantum gates with the photon polarization states and electron spin states of nitrogen-vacancy (NV) centers in diamond embedded in optical microcavity. A hybrid polarization-spin controlled-NOT gate and a two-qubit controlled phase gate between NV centers in separated cavities are demonstrated in the weak-coupling regime without complex devices or interaction. The gates presented here are deterministic and can be applied directly to a variety of quantum information processing tasks. The feasibility analyses show that our schemes can be accomplished with high fidelity under current technologies and have wide potential applications in quantum communication and computation fields.

© 2013 Optical Society of America

OCIS Codes
(230.5750) Optical devices : Resonators
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

History
Original Manuscript: March 26, 2013
Revised Manuscript: May 14, 2013
Manuscript Accepted: May 17, 2013
Published: June 10, 2013

Citation
Liu-Yong Cheng, Hong-Fu Wang, and Shou Zhang, "Simple schemes for universal quantum gates with nitrogen-vacancy centers in diamond," J. Opt. Soc. Am. B 30, 1821-1826 (2013)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-30-7-1821

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