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Asynchronous measurement-device-independent quantum key distribution with hybrid source. (arXiv:2304.04569v3 [quant-ph] UPDATED)
cs.CR updates on arXiv.org arxiv.org
The linear constraint of secret key rate capacity is overcome by the
tiwn-field quantum key distribution (QKD). However, the complex phase-locking
and phase-tracking technique requirements throttle the real-life applications
of twin-field protocol. The asynchronous measurement-device-independent (AMDI)
QKD or called mode-pairing QKD protocol can relax the technical requirements
and keep the similar performance of twin-field protocol. Here, we propose an
AMDI-QKD protocol with a nonclassical light source by changing the
phase-randomized weak coherent state to a phase-randomized coherent-state
superposition in the …
applications asynchronous called device distribution hybrid key life linear measurement mode protocol qkd quantum quantum key distribution rate requirements secret secret key technical tracking