Performance evaluation of high-dimensional quantum key distribution with single-photon detector based on avalanche photodiode
MODERN PHYSICS LETTERS A(2022)
Abstract
The current theoretical analysis model for high-dimensional quantum key distribution (QKD) was developed without carefully considering the dead time and after-pulse of the single-photon detectors. Here, we propose a new model that accounts for these two effects. With this model, we analyze the effects of various properties of the single-photon detector on the performance of the high-dimensional quantum key distribution and show numerically that the high-dimensional quantum key distribution can be achieved up to 180 km with InGaAs/InP-type single-photon detectors. This work can improve our understanding of the factors that determine the performance of high-dimensional quantum key distribution and will help to promote the application of single-photon detectors based on avalanche photodiodes in high-dimensional quantum key distribution.
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Key words
Quantum communication,quantum key distribution,high-dimensional quantum key distribution,quantum cryptography
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