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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 16 — Aug. 9, 2004
  • pp: 3865–3871

Practical quantum key distribution with polarization entangled photons

A. Poppe, A. Fedrizzi, R. Ursin, H. R. Böhm, T. Lorünser, O. Maurhardt, M. Peev, M. Suda, C. Kurtsiefer, H. Weinfurter, T. Jennewein, and A. Zeilinger  »View Author Affiliations


Optics Express, Vol. 12, Issue 16, pp. 3865-3871 (2004)
http://dx.doi.org/10.1364/OPEX.12.003865


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Abstract

We present an entangled-state quantum cryptography system that operated for the first time in a real-world application scenario. The full key generation protocol was performed in real-time between two distributed embedded hardware devices, which were connected by 1.45 km of optical fiber, installed for this experiment in the Vienna sewage system. The generated quantum key was immediately handed over and used by a secure communication application.

© 2004 Optical Society of America

OCIS Codes
(030.5260) Coherence and statistical optics : Photon counting
(060.4510) Fiber optics and optical communications : Optical communications

ToC Category:
Research Papers

History
Original Manuscript: June 8, 2004
Revised Manuscript: August 3, 2004
Published: August 9, 2004

Citation
A. Poppe, A. Fedrizzi, R. Ursin, H. Böhm, T. Lörunser, O. Maurhardt, M. Peev, M. Suda, C. Kurtsiefer, H. Weinfurter, T. Jennewein, and A. Zeilinger, "Practical quantum key distribution with polarization entangled photons," Opt. Express 12, 3865-3871 (2004)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-12-16-3865


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