Gaussian quantum information

C Weedbrook, S Pirandola, R García-Patrón… - Reviews of Modern …, 2012 - APS
The science of quantum information has arisen over the last two decades centered on the
manipulation of individual quanta of information, known as quantum bits or qubits. Quantum …

Discrimination of quantum states

JA Bergou - Journal of Modern Optics, 2010 - Taylor & Francis
In quantum information processing and quantum computing protocols the carrier of
information is a quantum system and information is encoded in the state of a quantum …

[PDF][PDF] Coherent States in Quantum Optics

JP Gazeau - Berlin: WileyVCH, 2009 - core.ac.uk
In this survey, various generalizations of Glauber–Sudarshan coherent 4 states are
described in a unified way, with their statistical properties and their 5 possible role in non …

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 …

[图书][B] Quantum communications

G Cariolaro - 2015 - Springer
Quantum Mechanics represents one of the most successful theories in the history of science.
Born more than a hundred years ago, for several decades Quantum Mechanics was …

Trojan-horse attacks threaten the security of practical quantum cryptography

N Jain, E Anisimova, I Khan, V Makarov… - New Journal of …, 2014 - iopscience.iop.org
A quantum key distribution (QKD) system may be probed by an eavesdropper Eve by
sending in bright light from the quantum channel and analyzing the backreflections. We …

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 …

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 …

Electro-optic entanglement source for microwave to telecom quantum state transfer

A Rueda, W Hease, S Barzanjeh, JM Fink - npj Quantum Information, 2019 - nature.com
We propose an efficient microwave-photonic modulator as a resource for stationary
entangled microwave-optical fields and develop the theory for deterministic entanglement …

Noise-powered probabilistic concentration of phase information

MA Usuga, CR Müller, C Wittmann, P Marek, R Filip… - Nature Physics, 2010 - nature.com
Phase-insensitive optical amplification of an unknown quantum state is known to be a
fundamentally noisy operation that inevitably adds noise to the amplified state,,,,. However …