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Experimental demonstration of drone-based quantum key distribution

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arxiv 2302.14012 v2 pith:ZQL57HGV submitted 2023-02-27 quant-ph cs.ET

Xiao-Hui Tian , Ran Yang , Hua-Ying Liu , Pengfei Fan , Ji-Ning Zhang , Changsheng Gu , Mengwen Chen , Mingzhe Hu
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Feng-Yu Lu Zhen-Qiang Yin Zhi-Jun Yin Mo Yuan Shuang Wang Wei Chen Yan-Xiao Gong Shi-Ning Zhu Zhenda Xie
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classification quant-phcs.ET
keywords quantumdistributiondrone-basedsecretacquisitionapproachaveragebb84
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Quantum state transferring has been demonstrated using drones via entanglement distribution. Here we demonstrate the first drone-based quantum task, for quantum key distribution (QKD). Compact and polarization-maintaining acquisition, pointing, and tracking system and QKD modules are developed and loaded on a home-made octocopter, within takeoff weight of 30 kg. Real-time QKD is performed over 200 m distance with 8.48 kHz average secret key rate, using polarization-coded decoy-state BB84 protocol. With the capability of secret key distribution using a drone, wireless communication can be expected with enhanced security in the quantum approach, between mobile nodes towards a network.

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  1. A Quantum Key Distribution System for Mobile Platforms with Highly Indistinguishable States

    quant-ph 2024-11 conditional novelty 5.0 of 10

    A low-power, drone-friendly QKD transmitter using RC-LEDs achieves state indistinguishability with eavesdropper mutual information around 1e-5 and a 532 kbit/s raw key rate.

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