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Conferences > QIM > 2013 > W6 > W6.40
  • The Rochester Conferences on Coherence and Quantum Optics and the Quantum Information and Measurement meeting
  • OSA Technical Digest (online) (Optica Publishing Group, 2013),
  • paper W6.40
  • •https://doi.org/10.1364/QIM.2013.W6.40

Single-Photon Differential-Phase-Shift Quantum Key Distribution

Chang Liu, Shanchao Zhang, Luwei Zhao, Peng Chen, C. –H. F. Fung, H. F. Chau, M. M. T. Loy, and Shengwang Du

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Abstract

We demonstrate differential-phase-shift quantum key distribution using narrowband heralded single photons with amplitude-phase modulations. We obtain a quantum bit error rate as low as 3.06% which meets the unconditional security requirement.

© 2013 Optical Society of America

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