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|Author(s):||Daniel Rogers; Joshua C. Bienfang; Anastase Nakassis; Hai Xu; Charles W. Clark;|
|Title:||Detector Dead-Time Effects and Paralyzability in High-Speed Quantum Key Distribution|
|Published:||September 10, 2007|
|Abstract:||Recent advances in quantum key distribution (QKD) have given rise to systems that operate at transmission periods significantly shorter than the dead times of their component single-photon detectors. As systems continue to increase in transmission rate, security concerns associated with detector dead times can limit the production rate of sifted bits. We present a model of high-speed QKD in this limit that identifies an optimum transmission rate for a system with given link loss and detector response characteristics.|
|Citation:||New Journal of Physics|
|Keywords:||photon counting,quantum communications,quantum cryptography,single-photon detectors|
|PDF version:||Click here to retrieve PDF version of paper (946KB)|