Security in quantum cryptography
C Portmann, R Renner - Reviews of Modern Physics, 2022 - APS
Quantum cryptography exploits principles of quantum physics for the secure processing of
information. A prominent example is secure communication, ie, the task of transmitting …
information. A prominent example is secure communication, ie, the task of transmitting …
Reference frames, superselection rules, and quantum information
Recently, there has been much interest in a new kind of “unspeakable” quantum information
that stands to regular quantum information in the same way that a direction in space or a …
that stands to regular quantum information in the same way that a direction in space or a …
Secure quantum key distribution over 421 km of optical fiber
We present a quantum key distribution system with a 2.5 GHz repetition rate using a three-
state time-bin protocol combined with a one-decoy approach. Taking advantage of …
state time-bin protocol combined with a one-decoy approach. Taking advantage of …
Loss-tolerant quantum cryptography with imperfect sources
In principle, quantum key distribution (QKD) offers unconditional security based on the laws
of physics. Unfortunately, all previous QKD experiments assume perfect state preparation in …
of physics. Unfortunately, all previous QKD experiments assume perfect state preparation in …
Practical issues in quantum-key-distribution postprocessing
CHF Fung, X Ma, HF Chau - Physical Review A—Atomic, Molecular, and …, 2010 - APS
Quantum key distribution (QKD) is a secure key generation method between two distant
parties by wisely exploiting properties of quantum mechanics. In QKD, experimental …
parties by wisely exploiting properties of quantum mechanics. In QKD, experimental …
Security of quantum key distribution from generalised entropy accumulation
The goal of quantum key distribution (QKD) is to establish a secure key between two parties
connected by an insecure quantum channel. To use a QKD protocol in practice, one has to …
connected by an insecure quantum channel. To use a QKD protocol in practice, one has to …
Semiquantum-key distribution using less than four quantum states
X Zou, D Qiu, L Li, L Wu, L Li - Physical Review A—Atomic, Molecular, and …, 2009 - APS
Recently Boyer [Phys. Rev. Lett. 99, 140501 (2007)] suggested the idea of semiquantum key
distribution (SQKD) in which Bob is classical and they also proposed a semiquantum key …
distribution (SQKD) in which Bob is classical and they also proposed a semiquantum key …
Quantum key distribution with correlated sources
In theory, quantum key distribution (QKD) offers information-theoretic security. In practice,
however, it does not due to the discrepancies between the assumptions used in the security …
however, it does not due to the discrepancies between the assumptions used in the security …
Information theoretic security of quantum key distribution overcoming the repeaterless secret key capacity bound
Quantum key distribution is a way to distribute secret keys to distant users with information
theoretic security and key rates suitable for real-world applications. Its rate-distance figure …
theoretic security and key rates suitable for real-world applications. Its rate-distance figure …
Security proof of quantum key distribution with detection efficiency mismatch
In theory, quantum key distribution (QKD) offers unconditional security based on the laws of
physics. However, as demonstrated in recent quantum hacking theory and experimental …
physics. However, as demonstrated in recent quantum hacking theory and experimental …