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 …

Quantum random number generators

M Herrero-Collantes, JC Garcia-Escartin - Reviews of Modern Physics, 2017 - APS
Random numbers are a fundamental resource in science and engineering with important
applications in simulation and cryptography. The inherent randomness at the core of …

Experimental quantum key distribution certified by Bell's theorem

DP Nadlinger, P Drmota, BC Nichol, G Araneda… - Nature, 2022 - nature.com
Cryptographic key exchange protocols traditionally rely on computational conjectures such
as the hardness of prime factorization to provide security against eavesdrop** attacks …

Phase transition in random circuit sampling

A Morvan, B Villalonga, X Mi, S Mandra… - arxiv preprint arxiv …, 2023 - arxiv.org
Undesired coupling to the surrounding environment destroys long-range correlations on
quantum processors and hinders the coherent evolution in the nominally available …

Quantum key distribution with entangled photons generated on demand by a quantum dot

F Basso Basset, M Valeri, E Roccia, V Muredda… - Science …, 2021 - science.org
Quantum key distribution—exchanging a random secret key relying on a quantum
mechanical resource—is the core feature of secure quantum networks. Entanglement-based …

Quantum random number generation

X Ma, X Yuan, Z Cao, B Qi, Z Zhang - npj Quantum Information, 2016 - nature.com
Quantum physics can be exploited to generate true random numbers, which have important
roles in many applications, especially in cryptography. Genuine randomness from the …

Experimentally generated randomness certified by the impossibility of superluminal signals

P Bierhorst, E Knill, S Glancy, Y Zhang, A Mink… - Nature, 2018 - nature.com
From dice to modern electronic circuits, there have been many attempts to build better
devices to generate random numbers. Randomness is fundamental to security and …

Device-independent randomness expansion with entangled photons

LK Shalm, Y Zhang, JC Bienfang, C Schlager… - Nature Physics, 2021 - nature.com
With the growing availability of experimental loophole-free Bell tests,,,–, it has become
possible to implement a new class of device-independent random number generators …

Maximization of extractable randomness in a quantum random-number generator

JY Haw, SM Assad, AM Lance, NHY Ng, V Sharma… - Physical Review …, 2015 - APS
The generation of random numbers via quantum processes is an efficient and reliable
method to obtain true indeterministic random numbers that are of vital importance to …

More efficient privacy amplification with less random seeds via dual universal hash function

M Hayashi, T Tsurumaru - IEEE Transactions on Information …, 2016 - ieeexplore.ieee.org
We explicitly construct random hash functions for privacy amplification (extractors) that
require smaller random seed lengths than the previous literature, and still allow efficient …