Advantages of Asynchronous Measurement-Device-Independent Quantum Key Distribution in Intercity Networks
arXiv:2302.14349 · doi:10.1103/PhysRevApplied.19.054070
Abstract
The new variant of measurement-device-independent quantum key distribution (MDI-QKD), called asynchronous MDI-QKD or mode-pairing MDI-QKD, offers similar repeater-like rate-loss scaling but has the advantage of simple technology implementation by exploiting an innovative post-measurement pairing technique. We herein present an evaluation of the practical aspects of decoy-state asynchronous MDI-QKD. To determine its effectiveness, we analyze the optimal method of decoy-state calculation and examine the impact of asymmetrical channels and multi-user networks. Our simulations show that, under realistic conditions, aynchronous MDI-QKD can furnish the highest key rate with MDI security as compared to other QKD protocols over distances ranging from 50 km to 480 km. At fiber distances of 50 km and 100 km, the key rates attain 6.02 Mbps and 2.29 Mbps respectively, which are sufficient to facilitate real-time one-time-pad video encryption. Our findings indicate that experimental implementation of asynchronous MDI-QKD in intercity networks can be both practical and efficient.
15 pages, 4 figures
References in corpus (17)
- Hacking commercial quantum cryptography systems by tailored bright illumination
- Measurement device independent quantum key distribution over 404 km optical fibre
- Quantum key distribution over 122 km of standard telecom fiber
- Sending-or-Not-Sending with Independent Lasers: Secure Twin-Field Quantum Key Distribution Over 509 km
- Experimental quantum key distribution beyond the repeaterless secret key capacity
- Breaking the Rate-Loss Bound of Quantum Key Distribution with Asynchronous Two-Photon Interference
- Direct and Reverse Secret-Key Capacities of a Quantum Channel
- Long-Distance Measurement-Device-Independent Multiparty Quantum Communication
- Long-distance quantum key distribution secure against coherent attacks
- Fast Single Photon Detectors and real-time Key Distillation: Enabling High Secret Key Rate QKD Systems
- Beating the fundamental rate-distance limit in a proof-of-principle quantum key distribution system
- Twin-field quantum key distribution without optical frequency dissemination
- Experimental measurement-device-independent type quantum key distribution with flawed and correlated sources
- Experimental mode-pairing measurement-device-independent quantum key distribution without global phase-locking
- Long distance measurement-device-independent quantum key distribution with coherent-state superpositions
- Long-distance twin-field quantum key distribution with entangled sources
- Overcoming the rate-distance limit of device-independent quantum key distribution
Cited by in corpus (8)
- Experimental quantum e-commerce
- Boosting quantum key distribution via the end-to-end loss control
- Finite-Key Analysis for Coherent One-Way Quantum Key Distribution
- Analysis for satellite-based high-dimensional extended B92 and high-dimensional BB84 quantum key distribution
- Asynchronous measurement-device-independent quantum key distribution with hybrid source
- Phase-Matching Quantum Key Distribution without Intensity Modulation
- Entanglement Model for Mode-Pairing Quantum Key Distribution
- Security Analysis of Mode-Pairing Quantum Key Distribution with Flexible Pairing Strategy