Low-noise InGaAs/InP single-photon detector with widely tunable repetition rates

Y Liang, Q Fei, Z Liu, K Huang, H Zeng - Photonics research, 2019 - opg.optica.org
InGaAs/InP avalanche photodiodes typically work in the gated Geiger mode to achieve near-
infrared single-photon detection. By using ultrashort gates and combining with the robust …

Mode pairing quantum key distribution with light source monitoring

Z Li, T Dou, Y Xie, W Kong, N Chen, Q Zhao… - New Journal of …, 2024 - iopscience.iop.org
Mode pairing quantum key distribution (MP-QKD) overcomes the repeaterless bound
without requiring phase locking and phase tracking. However, MP-QKD still assumes that …

Sending-or-not-sending twin-field quantum key distribution with light source monitoring

Y Qiao, Z Chen, Y Zhang, B Xu, H Guo - Entropy, 2019 - mdpi.com
Twin-field quantum key distribution (TF-QKD) is proposed to achieve a remote key
distribution with a maximum secure transmission distance up to over 500 km. Although the …

Two-qubit state recovery from amplitude damping based on weak measurement

S Harraz, S Cong, K Li - Quantum Information Processing, 2020 - Springer
In this paper, we propose a feed-forward control approach to protect arbitrary two-qubit pure
and mixed initial states using the weak measurement. A feed-forward operation and …

Monitoring an untrusted light source with single-photon detectors in measurement-device-independent quantum key distribution

Y Qiao, G Wang, Z Li, B Xu, H Guo - Physical Review A, 2019 - APS
Measurement-device-independent quantum key distribution (MDI-QKD) is proposed to close
the loopholes of the detection part in QKD systems, while it still requires the light source to …

基于光源检测的相位匹配量子密钥分发协议

胡倩倩, 冯宝, 闫龙川, 赵晓红, 陈智雨, 李文婷, 李威 - 量子电子学报, 2023 - lk.hfcas.ac.cn
量子密钥分发(QKD) 在信道中容易丢失信息载体, 因此有限的通信距离和密钥生成速率是其应用
的主要瓶颈. 一般而言, 密钥速率受信道传输速率的限制, 而相位匹配量子密钥分发(PM-QKD) …

Phase-matching quantum key distribution with light source monitoring

WT Li, L Wang, W Li, SM Zhao - Chinese Physics B, 2022 - iopscience.iop.org
The transmission loss of photons during quantum key distribution (QKD) process leads to
the linear key rate bound for practical QKD systems without quantum repeaters. Phase …

Imperfect Measurement Devices Impact the Security of Tomography‐Based Source‐Independent Quantum Random Number Generator

Y Li, Y Fei, W Wang, X Meng, H Wang… - Advanced Quantum … - Wiley Online Library
Source‐independent quantum random number generators (SI‐QRNGs) can generate
secure random numbers with untrusted and uncharacterized sources. Recently, a …

[PDF][PDF] The performance of single-photon sources for quantum key distribution

TG Gao - 2024 - depositonce.tu-berlin.de
Quantum key distribution (QKD) is an integral part of the future quantum internet allowing
two parties to share a secret key with information-theoretic security. The exchange of single …

HU Qianqian 1, 2, FENG Bao 1, 2, YAN Longchuan 3, ZHAO Xiaohong 4, CHEN Zhiyu 3, LI Wenting 5, LI Wei 5

HU Qianqian, F Bao, YAN Longchuan… - Chinese Journal of …, 2023 - lk.hfcas.ac.cn
Quantum key distribution (QKD) is easy to lose information carriers in channels, so the
limited communication distance and key generation rate are the main bottlenecks of its …