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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Grover Swartzlander
  • Vol. 31, Iss. 3 — Mar. 1, 2014
  • pp: 423–428

High-fidelity teleportation of continuous-variable quantum states with discrete-variable resources

Kevin Marshall and Daniel F. V. James  »View Author Affiliations

JOSA B, Vol. 31, Issue 3, pp. 423-428 (2014)

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The need for high-fidelity quantum teleportation arises in a variety of quantum algorithms and protocols. Unfortunately, conventional continuous-variable teleportation schemes rely on Einstein–Podolsky–Rosen states that yield a fidelity that approaches unity only in the limit of an unphysical amount of squeezing. A new method that utilizes an ensemble of single photon entangled states, qubits, to teleport continuous variable (CV) states with fidelity approaching unity with finite resources was recently proposed by Andersen and Ralph [Phys. Rev. Lett. 111, 050504 (2013)]. We extend these ideas to consider the general case of using maximally entangled d-level states, qudits, to teleport a CV state and discuss how the corresponding results are affected. In particular, we find that, by using qudits with dimension greater than two, we can achieve a higher fidelity with comparable resources.

© 2014 Optical Society of America

OCIS Codes
(270.6570) Quantum optics : Squeezed states
(270.5565) Quantum optics : Quantum communications
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

Original Manuscript: October 7, 2013
Revised Manuscript: December 12, 2013
Manuscript Accepted: December 20, 2013
Published: February 5, 2014

Kevin Marshall and Daniel F. V. James, "High-fidelity teleportation of continuous-variable quantum states with discrete-variable resources," J. Opt. Soc. Am. B 31, 423-428 (2014)

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