Summary
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High Speed Quantum Key Distribution System Akio TAJIMA Akihiro TANAKA Seigo TAKAHASHI Ken-ichiro YOSHINO Yoshihiro NAMBU Publication IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Vol.E93-A No.5 pp.889-896 Publication Date: 2010/05/01 Online ISSN: 1745-1337 DOI: 10.1587/transfun.E93.A.889 Print ISSN: 0916-8508 Type of Manuscript: Special Section INVITED PAPER (Special Section on Leading-Edge Developments in Quantum Cryptographic Systems) Category: Keyword: quantum key distribution, planar lightwave circuit, single photon detector, WDM, Full Text: PDF>>
Summary: Quantum key distribution (QKD) systems can generate unconditionally secure common keys between remote users. Improvements of QKD performance, particularly in key generation rate, have been required to meet current network traffic. A high-speed QKD system should be equipped with low-loss receivers with high visibility, highly efficient photon detectors with small dark count probability. A solution to these issues is to employ planar lightwave circuit (PLC) interferometers, single photon detection circuits and modules, together with multi-wavelength channels transmission using wavelength division multiplexing (WDM) technique. | |||||
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