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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. 31, Iss. 2 — Feb. 1, 2014
  • pp: 229–236

Multi-qubit quantum phase gates based on surface plasmons of a nanosphere

Jun Ren, Jun Yuan, and Xiangdong Zhang  »View Author Affiliations


JOSA B, Vol. 31, Issue 2, pp. 229-236 (2014)
http://dx.doi.org/10.1364/JOSAB.31.000229


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Abstract

The Dicke subradiance and superradiance resulting from the interaction between surface plasmons of a nanosphere and an ensemble of quantum emitters have been investigated using a Green’s function approach. Based on such an investigation, we propose a scheme for a deterministic multi-qubit quantum phase gate. As an example, two-qubit, three-qubit, and four-qubit quantum phase gates have been designed and analyzed in detail. Phenomena due to the losses in the metal are discussed. Potential applications of these phenomena to quantum-information processing are anticipated.

© 2014 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

History
Original Manuscript: July 16, 2013
Revised Manuscript: November 14, 2013
Manuscript Accepted: November 27, 2013
Published: January 7, 2014

Citation
Jun Ren, Jun Yuan, and Xiangdong Zhang, "Multi-qubit quantum phase gates based on surface plasmons of a nanosphere," J. Opt. Soc. Am. B 31, 229-236 (2014)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-31-2-229

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