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Proceedings Paper

Implementation of an m-ary three-stage quantum cryptography protocol
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Paper Abstract

This paper introduces an m-ary version of the Three-stage Quantum Cryptography protocol. The three-stage protocol was first proposed in 2006 and implemented in 2012. The m-ary version of the three-stage protocol proposed in this paper results in enhanced data transfer between a sender Alice and a receiver Bob since each pulse carries more than one bit of information. An experimental realization of the m-ary three-stage protocol is also reported in this paper. The implementation has used free-space optics as the transmission medium and passive optical components controlled through LabView. Furthermore, analytical results that address the impact of the noise factor and its trade-off with data rate are presented. This analysis includes a study of the probability of errors and channel capacity variations in terms of the noise variance factor for the m-ary three-stage protocol using two, four and eight levels. Limits within which the m-ary three-stage protocol can be used with higher performance efficiency compared to its original version counterpart are set.

Paper Details

Date Published: 26 September 2013
PDF: 13 pages
Proc. SPIE 8875, Quantum Communications and Quantum Imaging XI, 88750S (26 September 2013); doi: 10.1117/12.2024185
Show Author Affiliations
Mayssaa El Rifai, The Univ. of Oklahoma, Tulsa (United States)
Nikhil Punekar, The Univ. of Oklahoma, Tulsa (United States)
Pramode K. Verma, The Univ. of Oklahoma, Tulsa (United States)

Published in SPIE Proceedings Vol. 8875:
Quantum Communications and Quantum Imaging XI
Ronald E. Meyers; Yanhua Shih; Keith S. Deacon, Editor(s)

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