Robust measurement for the discrimination of binary coherent states

MT DiMario, FE Becerra - Physical review letters, 2018 - APS
The discrimination of two nonorthogonal states is a fundamental element for secure and
efficient communication. Quantum measurements of nonorthogonal coherent states can …

Experimental demonstration of a receiver beating the standard quantum limit for multiple nonorthogonal state discrimination

FE Becerra, J Fan, G Baumgartner, J Goldhar… - Nature …, 2013 - nature.com
Measurement of the state of a quantum system with inherent quantum uncertainty (noise)
approaching the ultimate physical limits is of both technological and fundamental interest …

Demonstration of near-optimal discrimination of optical coherent states

C Wittmann, M Takeoka, KN Cassemiro, M Sasaki… - Physical review …, 2008 - APS
The optimal discrimination of nonorthogonal quantum states with minimum error probability
is a fundamental task in quantum measurement theory as well as an important primitive in …

Demonstration of optimal non-projective measurement of binary coherent states with photon counting

MT DiMario, FE Becerra - npj Quantum Information, 2022 - nature.com
Quantum state discrimination is a central problem in quantum measurement theory, with
applications spanning from quantum communication to computation. Typical measurement …

Experimental minimum-error quantum-state discrimination in high dimensions

MA Solís-Prosser, MF Fernandes, O Jiménez… - Physical review …, 2017 - APS
Quantum mechanics forbids perfect discrimination among nonorthogonal states through a
single shot measurement. To optimize this task, many strategies were devised that later …

Discrimination of optical coherent states using a photon number resolving detector

C Wittmann, UL Andersen, G Leuchs - Journal of Modern Optics, 2010 - Taylor & Francis
The discrimination of non-orthogonal quantum states with reduced or without errors is a
fundamental task in quantum measurement theory. In this work, we investigate a quantum …

Enhanced discrimination of high-dimensional quantum states by concatenated optimal measurement strategies

MA Solís-Prosser, O Jiménez… - Quantum Science and …, 2021 - iopscience.iop.org
The impossibility of deterministic and error-free discrimination among nonorthogonal
quantum states lies at the core of quantum theory and constitutes a primitive for secure …

Discrimination of binary coherent states using a homodyne detector and a photon number resolving detector

C Wittmann, UL Andersen, M Takeoka, D Sych… - Physical Review A …, 2010 - APS
We investigate quantum measurement strategies capable of discriminating two coherent
states probabilistically with significantly smaller error probabilities than can be obtained …

Multi-state discrimination below the quantum noise limit at the single-photon level

AR Ferdinand, MT DiMario, FE Becerra - npj Quantum Information, 2017 - nature.com
Measurements approaching the ultimate quantum limits of sensitivity are central in quantum
information processing, quantum metrology, and communication. Quantum measurements …

Discriminating single-photon states unambiguously in high dimensions

M Agnew, E Bolduc, KJ Resch, S Franke-Arnold… - Physical Review Letters, 2014 - APS
The ability to uniquely identify a quantum state is integral to quantum science, but for
nonorthogonal states, quantum mechanics precludes deterministic, error-free discrimination …