Secure quantum key distribution with realistic devices
In principle, quantum key distribution (QKD) offers information-theoretic security based on
the laws of physics. In practice, however, the imperfections of realistic devices might …
the laws of physics. In practice, however, the imperfections of realistic devices might …
Advances in space quantum communications
Concerted efforts are underway to establish an infrastructure for a global quantum Internet to
realise a spectrum of quantum technologies. This will enable more precise sensors, secure …
realise a spectrum of quantum technologies. This will enable more precise sensors, secure …
A review of security evaluation of practical quantum key distribution system
Although the unconditional security of quantum key distribution (QKD) has been widely
studied, the imperfections of the practical devices leave potential loopholes for Eve to spy …
studied, the imperfections of the practical devices leave potential loopholes for Eve to spy …
Laser-seeding attack in quantum key distribution
Quantum key distribution (QKD) based on the laws of quantum physics allows the secure
distribution of secret keys over an insecure channel. Unfortunately, imperfect …
distribution of secret keys over an insecure channel. Unfortunately, imperfect …
A novel quantum identity authentication protocol without entanglement and preserving pre-shared key information
Classical authentication schemes are in treat due to current developments in quantum
computing. A new quantum authentication protocol designed based on quantum secure …
computing. A new quantum authentication protocol designed based on quantum secure …
Laser-damage attack against optical attenuators in quantum key distribution
Many quantum key distribution systems employ a laser followed by an optical attenuator to
prepare weak coherent states in the source. Their mean photon number must be …
prepare weak coherent states in the source. Their mean photon number must be …
Multi-intensity quantum secure direct communication relying on finite block-length
Quantum secure direct communication (QSDC) directly transmits confidential information
over a quantum channel. In this context, it is important to take into account the multi-photon …
over a quantum channel. In this context, it is important to take into account the multi-photon …
Protecting fiber-optic quantum key distribution sources against light-injection attacks
A Ponosova, D Ruzhitskaya, P Chaiwongkhot… - PRX Quantum, 2022 - APS
A well-protected and characterized source in a quantum key distribution system is needed
for its security. Unfortunately, the source is vulnerable to light-injection attacks, such as …
for its security. Unfortunately, the source is vulnerable to light-injection attacks, such as …
Implementation vulnerabilities in general quantum cryptography
Quantum cryptography is information-theoretically secure owing to its solid basis in quantum
mechanics. However, generally, initial implementations with practical imperfections might …
mechanics. However, generally, initial implementations with practical imperfections might …
Sending-or-not-sending twin-field protocol for quantum key distribution with asymmetric source parameters
The sending-or-not-sending (SNS) protocol of the twin-field quantum key distribution can
tolerate large misalignment error and its key rate can exceed the linear bound of …
tolerate large misalignment error and its key rate can exceed the linear bound of …