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 …

Photon number resolution enables quantum receiver for realistic coherent optical communications

FE Becerra, J Fan, A Migdall - Nature Photonics, 2015 - nature.com
Quantum-enhanced measurements can provide information about the properties of a
physical system with sensitivities beyond what is fundamentally possible with conventional …

Sub-shot-noise transmission measurement enabled by active feed-forward of heralded single photons

J Sabines-Chesterking, R Whittaker, SK Joshi… - Physical Review …, 2017 - APS
Harnessing the unique properties of quantum mechanics offers the possibility of delivering
alternative technologies that can fundamentally outperform their classical counterparts …

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 …

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 …

Time-resolving quantum measurement enables energy-efficient, large-alphabet communication

IA Burenkov, MV Jabir, A Battou, SV Polyakov - PRX Quantum, 2020 - APS
Information exchange requires a measurement of physical states. Because quantum
measurements enable accuracy beyond the classical shot-noise limit, they are successfully …

[HTML][HTML] Scalable multiphoton quantum metrology with neither pre-nor post-selected measurements

C You, M Hong, P Bierhorst, AE Lita, S Glancy… - Applied Physics …, 2021 - pubs.aip.org
The quantum statistical fluctuations of electromagnetic fields establish a limit, known as the
shot-noise limit, on the sensitivity of optical measurements performed with classical …

Unconditional and robust quantum metrological advantage beyond n00n states

J Qin, YH Deng, HS Zhong, LC Peng, H Su, YH Luo… - Physical Review Letters, 2023 - APS
Quantum metrology employs quantum resources to enhance the measurement sensitivity
beyond that can be achieved classically. While multiphoton entangled N00N states can in …

Optimum mixed-state discrimination for noisy entanglement-enhanced sensing

Q Zhuang, Z Zhang, JH Shapiro - Physical review letters, 2017 - APS
Quantum metrology utilizes nonclassical resources, such as entanglement or squeezed
light, to realize sensors whose performance exceeds that afforded by classical-state …