Single-photon interference experiment over 100 km for quantum cryptography system using balanced gated-mode photon detector

H. Kosaka, A. Tomita, Y. Nambu, T. Kimura, K. Nakamura

Research output: Contribution to journalArticlepeer-review

79 Citations (Scopus)

Abstract

The authors demonstrate single-photon interference over 100 km using a balanced gated-mode photon detector and a plug and play system for quantum key distribution. The visibility with 0.1 photon/pulse was more than 80% after 100 km transmission. This corresponds to the fidelity of a quantum cryptography system of more than 90% and a QBER of less than 10%, satisfying the security criteria.

Original languageEnglish
Pages (from-to)1199-1201
Number of pages3
JournalElectronics Letters
Volume39
Issue number16
DOIs
Publication statusPublished - 2003 Aug 7

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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