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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 37, Iss. 15 — Aug. 1, 2012
  • pp: 3267–3269

On the quantum-channel capacity for orbital angular momentum-based free-space optical communications

Yequn Zhang, Ivan B. Djordjevic, and Xin Gao  »View Author Affiliations


Optics Letters, Vol. 37, Issue 15, pp. 3267-3269 (2012)
http://dx.doi.org/10.1364/OL.37.003267


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Abstract

Inspired by recent demonstrations of orbital angular momentum-(OAM)-based single-photon communications, we propose two quantum-channel models: (i) the multidimensional quantum-key distribution model and (ii) the quantum teleportation model. Both models employ operator-sum representation for Kraus operators derived from OAM eigenkets transition probabilities. These models are highly important for future development of quantum-error correction schemes to extend the transmission distance and improve date rates of OAM quantum communications. By using these models, we calculate corresponding quantum-channel capacities in the presence of atmospheric turbulence.

© 2012 Optical Society of America

OCIS Codes
(260.0260) Physical optics : Physical optics
(270.5565) Quantum optics : Quantum communications
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

History
Original Manuscript: December 23, 2011
Revised Manuscript: June 26, 2012
Manuscript Accepted: June 29, 2012
Published: July 31, 2012

Citation
Yequn Zhang, Ivan B. Djordjevic, and Xin Gao, "On the quantum-channel capacity for orbital angular momentum-based free-space optical communications," Opt. Lett. 37, 3267-3269 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-15-3267


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