22 May 2014 The braided single-stage protocol for quantum secure communication
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Abstract
This paper presents the concept and implementation of a Braided Single-stage Protocol for quantum secure communication. The braided single-stage protocol is a multi-photon tolerant secure protocol. This multi-photon tolerant protocol has been implemented in the laboratory using free-space optics technology. The proposed protocol capitalizes on strengths of the three-stage protocol and extends it with a new concept of braiding. This protocol overcomes the limitations associated with the three-stage protocol in the following ways: It uses the transmission channel only once as opposed to three times in the three-stage protocol, and it is invulnerable to man-in-the-middle attack. This paper also presents the error analysis resulting from the misalignment of the devices in the implementation. The experimental results validate the efficient use of transmission resources and improvement in the data transfer rate.
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Bhagyashri Darunkar, Bhagyashri Darunkar, Pramode K. Verma, Pramode K. Verma, } "The braided single-stage protocol for quantum secure communication", Proc. SPIE 9123, Quantum Information and Computation XII, 912308 (22 May 2014); doi: 10.1117/12.2050164; https://doi.org/10.1117/12.2050164
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