Quantum state discrimination and its applications

J Bae, LC Kwek - Journal of Physics A: Mathematical and …, 2015 - iopscience.iop.org
Quantum state discrimination underlies various applications in quantum information
processing tasks. It essentially describes the distinguishability of quantum systems in …

[HTML][HTML] Practical quantum-enhanced receivers for classical communication

IA Burenkov, MV Jabir, SV Polyakov - AVS quantum science, 2021 - pubs.aip.org
Communication is an integral part of human life. Today, optical pulses are the preferred
information carriers for long-distance communication. The exponential growth in data leads …

[BOOK][B] Quantum optics: including noise reduction, trapped ions, quantum trajectories, and decoherence

M Orszag - 2024 - books.google.com
This revised new edition gives a unique and broad coverage of basic laser-related
phenomena that allow graduate students, scientists and engineers to carry out research in …

Simulating positive-operator-valued measures with projective measurements

M Oszmaniec, L Guerini, P Wittek, A Acín - Physical review letters, 2017 - APS
Standard projective measurements (PMs) represent a subset of all possible measurements
in quantum physics, defined by positive-operator-valued measures. We study what quantum …

Practical quantum private query with better performance in resisting joint-measurement attack

CY Wei, TY Wang, F Gao - Physical Review A, 2016 - APS
As a kind of practical protocol, quantum-key-distribution (QKD)-based quantum private
queries (QPQs) have drawn lots of attention. However, joint-measurement (JM) attack poses …

A hybrid quantum-classical approach to mitigating measurement errors in quantum algorithms

H Kwon, J Bae - IEEE Transactions on Computers, 2020 - ieeexplore.ieee.org
When noisy intermediate scalable quantum (NISQ) devices are applied in information
processing, all of the stages through preparation, manipulation, and measurement of …

High-fidelity, multiqubit generalized measurements with dynamic circuits

P Ivashkov, G Uchehara, L Jiang, DS Wang, A Seif - PRX Quantum, 2024 - APS
Generalized measurements, also called positive operator-valued measures (POVMs), can
offer advantages over projective measurements in various quantum information tasks. Here …

Relative entropy of coherence quantifies performance in Bayesian metrology

R Lecamwasam, S Assad, JJ Hope, PK Lam… - PRX Quantum, 2024 - APS
The ability of quantum states to be in superposition is one of the key features that sets them
apart from the classical world. This “coherence” is rigorously quantified by resource theories …

Ultimate limits for multiple quantum channel discrimination

Q Zhuang, S Pirandola - Physical Review Letters, 2020 - APS
Quantum hypothesis testing is a central task in the entire field of quantum information theory.
Understanding its ultimate limits will give insight into a wide range of quantum protocols and …

Beating the standard quantum limit for binary phase-shift-keying discrimination with a realistic hybrid feed-forward receiver

MN Notarnicola, S Olivares - Physical Review A, 2023 - APS
We propose a hybrid feed-forward receiver (HFFRE) for the discrimination of binary phase-
shift-keyed coherent states based on the appropriate combination of a displacement feed …