Single-photon Interference over 150 km Transmission Using Silica-based Integrated-optic Interferometers for Quantum Cryptography
- 1 September 2004
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 43 (9A) , L1217-1219
- https://doi.org/10.1143/jjap.43.l1217
Abstract
We have demonstrated single-photon interference over 150 km using time-division interferometers for quantum cryptography, which were composed of two integrated-optic asymmetric Mach-Zehnder interferometers, and balanced gated-mode photon detectors. The observed fringe visibility was more than 80% after 150 km transmission.Keywords
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This publication has 11 references indexed in Scilit:
- BB84 Quantum Key Distribution System Based on Silica-Based Planar Lightwave CircuitsJapanese Journal of Applied Physics, 2004
- Single-photon interference experiment over 100 km for quantum cryptography system using balanced gated-mode photon detectorElectronics Letters, 2003
- Balanced, gated-mode photon detector for quantum-bit discrimination at 1550 nmOptics Letters, 2002
- Asymmetric Mach-Zehnder germano-silicate channelwaveguide interferometersfor quantum cryptography systemsElectronics Letters, 2001
- Automated ‘plug & play’ quantumkey distributionElectronics Letters, 1998
- “Plug and play” systems for quantum cryptographyApplied Physics Letters, 1997
- Quantum cryptography over 23 km in installed under-lake telecom fibreEurophysics Letters, 1996
- Operational system for quantum cryptographyElectronics Letters, 1995
- Single photon interference in 10 km long optical fibre interferometerElectronics Letters, 1993
- Experimental quantum cryptographyJournal of Cryptology, 1992