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Authors: Ágoston Schranz and Eszter Udvary

Affiliation: Department of Broadband Infocommunications and Electromagnetic Theory, Budapest University of Technology and Economics, Egry József utca 18., Budapest, Hungary

ISBN: 978-989-758-364-3

Keyword(s): Quantum Key Distribution (QKD), BB84, Polarization Switching, Polarization Rotation, Quantum Bit Error Rate (QBER).

Abstract: In the BB84 quantum key distribution (QKD) protocol, the communicating parties do a quantum bit error rate (QBER) test to determine whether there is an eavesdropper trying to gain information about the secret key. However, the QBER is not only influenced by the eavesdropper’s strategies, but also by the imperfections of the physical devices and the channel through which the quantum states propagate. We developed a simple channel model with error parameters describing the channel and the potential polarization switching in the transmitter, to see how those effects influence the QBER in a polarization-qubit BB84 implementation. Certain well-defined probabilistic channel models are compared to see which is responsible for the highest error probability.

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Paper citation in several formats:
Schranz, Á. and Udvary, E. (2019). Quantum Bit Error Rate Analysis of the Polarization based BB84 Protocol in the Presence of Channel Errors.In Proceedings of the 7th International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS, ISBN 978-989-758-364-3, pages 181-189. DOI: 10.5220/0007384101810189

@conference{photoptics19,
author={Ágoston Schranz. and Eszter Udvary.},
title={Quantum Bit Error Rate Analysis of the Polarization based BB84 Protocol in the Presence of Channel Errors},
booktitle={Proceedings of the 7th International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS,},
year={2019},
pages={181-189},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007384101810189},
isbn={978-989-758-364-3},
}

TY - CONF

JO - Proceedings of the 7th International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS,
TI - Quantum Bit Error Rate Analysis of the Polarization based BB84 Protocol in the Presence of Channel Errors
SN - 978-989-758-364-3
AU - Schranz, Á.
AU - Udvary, E.
PY - 2019
SP - 181
EP - 189
DO - 10.5220/0007384101810189

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