NuQKD: A Modular Quantum Key Distribution Simulation Framework for Engineering Applications

• URL: http://arxiv.org/abs/2310.12351v1
• Date: Wed, 18 Oct 2023 21:54:56 GMT
• Title: NuQKD: A Modular Quantum Key Distribution Simulation Framework for Engineering Applications
• Authors: Konstantinos Gkouliaras, Vasileios Theos, Phil Evans, Stylianos Chatzidakis
• Abstract summary: We present NuQKD, an open-source modular, intuitive simulator, featuring all the above capabilities. NuQKD establishes communication between two computer terminals, accepts custom inputs and evaluates the sifted key length, Quantum Bit Error Rate (QBER), elapsed communication time and more.
• Score: 0.27309692684728604
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: An experimental Quantum Key Distribution (QKD) implementation requires advanced costly hardware, unavailable in most research environments, making protocol testing and performance evaluation complicated. Historically, this has been a major motivation for the development of QKD simulation frameworks, to allow researchers to obtain insight before proceeding into practical implementations. Several simulators have been introduced over the recent years. However, only four are publicly available, only one of which models equipment imperfections. Currently, no open-source simulator includes all following capabilities: channel attenuation modelling, equipment imperfections and effect on key rates, estimation of elapsed time during quantum channel processes, use of truly random binary sequences for qubits and measurement bases, shared-bit fraction customization. In this paper, we present NuQKD, an open-source modular, intuitive simulator, featuring all the above capabilities. NuQKD establishes communication between two computer terminals, accepts custom inputs (iterations, raw key size, interception rate etc.) and evaluates the sifted key length, Quantum Bit Error Rate (QBER), elapsed communication time and more). NuQKD capabilities include optical fiber and free-space simulation, modeling of equipment/channel imperfections, bitstrings from True Random Number Generator, modular design and automated evaluation of performance metrics. We expect NuQKD to enable convenient and accurate representation of actual experimental conditions.

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