Semidefinite programming relaxations for quantum correlations

A Tavakoli, A Pozas-Kerstjens, P Brown… - Reviews of Modern Physics, 2024 - APS
Semidefinite programs are convex optimization problems involving a linear objective
function and a domain of positive-semidefinite matrices. Over the past two decades, they …

A comprehensive review of quantum random number generators: Concepts, classification and the origin of randomness

V Mannalatha, S Mishra, A Pathak - Quantum Information Processing, 2023 - Springer
Random numbers are central to cryptography and various other tasks. The intrinsic
probabilistic nature of quantum mechanics has allowed us to construct a large number of …

One-to-one map** between steering and joint measurability problems

R Uola, C Budroni, O Gühne, JP Pellonpää - Physical review letters, 2015 - APS
Quantum steering refers to the possibility for Alice to remotely steer Bob's state by
performing local measurements on her half of a bipartite system. Two necessary ingredients …

Self-testing quantum random number generator

T Lunghi, JB Brask, CCW Lim, Q Lavigne, J Bowles… - Physical review …, 2015 - APS
The generation of random numbers is a task of paramount importance in modern science. A
central problem for both classical and quantum randomness generation is to estimate the …

Self-testing quantum states and measurements in the prepare-and-measure scenario

A Tavakoli, J Kaniewski, T Vértesi, D Rosset, N Brunner - Physical Review A, 2018 - APS
The goal of self-testing is to characterize an a priori unknown quantum system based solely
on measurement statistics, ie, using an uncharacterized measurement device. Here we …

Megahertz-rate semi-device-independent quantum random number generators based on unambiguous state discrimination

JB Brask, A Martin, W Esposito, R Houlmann… - Physical Review …, 2017 - APS
An approach to quantum random number generation based on unambiguous quantum state
discrimination is developed. We consider a prepare-and-measure protocol, where two …

Quantum Random Access Codes Using Single -Level Systems

A Tavakoli, A Hameedi, B Marques, M Bourennane - Physical review letters, 2015 - APS
Random access codes (RACs) are used by a party to, with limited communication, access
an arbitrary subset of information held by another party. Quantum resources are known to …

Quantum cryptography: Key distribution and beyond

A Pathak, R Srikanth - arxiv preprint arxiv:1802.05517, 2018 - arxiv.org
Quantum Cryptography: Key Distribution and Beyond Page 1 Quantum Cryptography: Key
Distribution and Beyond Akshata Shenoy-Hejamadi 1, Anirban Pathak 2 & Srikanth …

Sequential random access codes and self-testing of quantum measurement instruments

K Mohan, A Tavakoli, N Brunner - New Journal of Physics, 2019 - iopscience.iop.org
Quantum random access codes (QRACs) are key tools for a variety of protocols in quantum
information theory. These are commonly studied in prepare-and-measure scenarios in …

Semi-device-independent quantum random number generator with a broadband squeezed state of light

J Cheng, S Liang, J Qin, J Li, Z Yan, X Jia, C **e… - npj Quantum …, 2024 - nature.com
Random numbers are a basic ingredient of simulation algorithms and cryptography, and
play a significant part in computer simulation and information processing. One prominent …