Advances in quantum cryptography

S Pirandola, UL Andersen, L Banchi… - Advances in optics …, 2020 - opg.optica.org
Quantum cryptography is arguably the fastest growing area in quantum information science.
Novel theoretical protocols are designed on a regular basis, security proofs are constantly …

Continuous‐variable quantum key distribution with Gaussian modulation—the theory of practical implementations

F Laudenbach, C Pacher, CHF Fung… - Advanced Quantum …, 2018 - Wiley Online Library
Quantum key distribution (QKD) using weak coherent states and homodyne detection is a
promising candidate for practical quantum‐cryptographic implementations due to its …

Distributing secret keys with quantum continuous variables: principle, security and implementations

E Diamanti, A Leverrier - Entropy, 2015 - mdpi.com
The ability to distribute secret keys between two parties with information-theoretic security,
that is regardless of the capacities of a malevolent eavesdropper, is one of the most …

Generating the local oscillator “locally” in continuous-variable quantum key distribution based on coherent detection

B Qi, P Lougovski, R Pooser, W Grice, M Bobrek - Physical Review X, 2015 - APS
Continuous-variable quantum key distribution (CV-QKD) protocols based on coherent
detection have been studied extensively in both theory and experiment. In all the existing …

Experimental demonstration of continuous-variable measurement-device-independent quantum key distribution over optical fiber

Y Tian, P Wang, J Liu, S Du, W Liu, Z Lu, X Wang, Y Li - Optica, 2022 - opg.optica.org
Measurement-device-independent quantum key distribution (MDI-QKD) can remove all side-
channel attacks on detectors. In the context of the dramatic progress of discrete-variable MDI …

Prediction of near-room-temperature quantum anomalous Hall effect on honeycomb materials

SC Wu, G Shan, B Yan - Physical review letters, 2014 - APS
Recently, the long-sough quantum anomalous Hall effect was realized in a magnetic
topological insulator. However, the requirement of an extremely low temperature …

Optical spectroscopy and band structure calculations of the structural phase transition in the vanadium-based kagome metal

T Hu, H Pi, S Xu, L Yue, Q Wu, Q Liu, S Zhang, R Li… - Physical Review B, 2023 - APS
In condensed matter physics, materials with kagome lattice display a range of exotic
quantum states, including charge density wave (CDW), superconductivity, and magnetism …

Long-distance quantum key distribution secure against coherent attacks

B Fröhlich, M Lucamarini, JF Dynes, LC Comandar… - Optica, 2017 - opg.optica.org
Quantum key distribution (QKD) permits information-theoretically secure transmission of
digital encryption keys, assuming that the behavior of the devices employed for the key …

Quantum coherence and uncertainty in the anisotropic XY chain

G Karpat, B Çakmak, FF Fanchini - Physical Review B, 2014 - APS
We explore the local quantum coherence and the local quantum uncertainty, based on
Wigner-Yanase skew information, in the ground state of the anisotropic spin-1/2 XY chain in …

Quantum correlations and coherence in spin-1 Heisenberg chains

AL Malvezzi, G Karpat, B Çakmak, FF Fanchini… - Physical Review B, 2016 - APS
We explore quantum and classical correlations along with coherence in the ground states of
spin-1 Heisenberg chains, namely the one-dimensional XXZ model and the one …