Kwak, B.
, Song, N.
and Miller, L.
(2005),
Performance Analysis of Exponential Backoff, IEEE /ACM Transactions on Networking
(Accessed December 16, 2024)
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Performance Analysis of Exponential Backoff
Published
Author(s)
B J. Kwak, N O. Song,
Abstract
We have implemented a quantum key distribution (QKD) system with polarization encoding at 850 nm over 1 km of optical fiber. The high-speed management of the bit-stream, generation of random numbers and processing of the sifting algorithm are all handled by a pair of custom data handling circuit boards. As a complete system using a clock rate of 1.25 Gbit/s, it produces sifted keys at a rate of 1.1 Mb/s with an error rate lower than 1.3% while operating at a transmission rate of 312.5 Mbit/s and a mean photon number 5 = 0.1. With a number of proposed improvements this system has a potential for a higher key rate without an elevated error rate.Citation
IEEE /ACM Transactions on Networking
Volume
13
Pub Type
Journals
Citation
Issues
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Created March 31, 2005, Updated October 12, 2021