Project supported by the National Basic Research Program of China(Grants Nos.2011CBA00200 and 2011CB921200);the National Natural Science Foundation of China(Grant Nos.61201239,61205118,11304397,and 61475148);the“Strategic Priority Research Program(B)”of the Chinese Academy of Sciences(Grant No.XDB01030100 and XDB01030300)
Recently, the Hong-Ou-Mandel (HOM) interference between two independent weak coherent pulses (WCPs) has been paid much attention due to the measurement-device-independent (MDI) quantum key distribution (QKD). ...
supported by the National Basic Research Program of China(Grant Nos.2011CBA00200 and 2011CB921200);the National Natural Science Foundation of China(Grant Nos.61201239,61205118,11304397 and 61475148);China Postdoctoral Science Foundation(Grant No.2013M540514);Anhui Provincial Natural Science Foundation(Grant No.1408085QF102)
Measurement-device-independent quantum key distribution(MDI-QKD) is aimed at removing all detector side channel attacks,while its security relies on the assumption that the encoding systems including sources are fully...
Project supported by the National Basic Research Program of China(Grant Nos.2011CBA00200 and 2011CB921200);the National Natural Science Foundation of China(Grant Nos.61475148,61201239,61205118,and 11304397);the China Postdoctoral Science Foundation(Grant No.2013M540514)
In a practical quantum key distribution(QKD) system, imperfect equipment, especially the single-photon detector,can be eavesdropped on by a blinding attack. However, the original blinding attack may be discovered by...
supported by the National Natural Science Foundation of China(Nos.61101137,61201239,61205118,and 11304397);the National Basic Research Program of China(Nos.2011CBA00200 and2011CB921200)
We report an adjustable unbalanced quantum random-number generator based on the polarization of photons,which can produce nondeterministic true random unbalanced numbers. The underlying physical process is inherently ...
Project supported by the National Basic Research Program of China(Grant Nos.2011CBA00200 and 2011CB921200);the National Natural Science Foundation of China(Grant Nos.61101137,61201239,and 61205118)
In a quantum key distribution(QKD) system, the error rate needs to be estimated for determining the joint probability distribution between legitimate parties, and for improving the performance of key reconciliation....
supported by the National Natural Science Foundation of China(Nos.61101137,61201239,61205118,and 11304397);the China Postdoctoral Science Foundation(No.2013M540514)
Quantum key distribution (QKD) is a major research topic because it provides unconditional security. Unfortunately, many imperfections remain in QKD's experimental realization. The Faraday-Michelson (FM) QKD syst...
supported by the National Basic Research Program of China (2011CBA00200 and 2011CB921200);the National Natural Science Foundation of China (61101137,61201239,61205118,and 11304397)
Quantum key distribution(QKD)provides an unconditional secure key generation method between two distant legitimate parties Alice and Bob based on the fundamental properties of quantum mechanics,in the presence of an e...
Project supported by the National Natural Science Foundation of China(Grant Nos.61101137,61201239,61205118,and 11304397);the National Basic Research Program of China(Grants No.2013CB338002)
To improve the security of the smart grid, quantum key distribution(QKD) is an excellent choice. The rapid fluctuations on the power aerial optical cable and electromagnetic disturbance in substations are two main c...
Project supported by the the National Natural Science Foundation of China(Grant Nos.61101137,61201239,61205118,and 11304397);the China Postdoctoral Science Foundation.(Grant No.2013M540514)
In the original BB84 quantum key distribution protocol, the states are prepared and measured randomly, which lose the unmatched detection results. To improve the sifting efficiency, biased bases selection BB84 protoco...