Results 11 to 20 of about 11,337,371 (328)

Coherent-State-Based Twin-Field Quantum Key Distribution. [PDF]

open access: yesSci Rep, 2019
Large-scale quantum communication networks are still a huge challenge due to the rate-distance limit of quantum key distribution (QKD). Recently, twin-field (TF) QKD has been proposed to overcome this limit.
Yin HL, Chen ZB.
europepmc   +3 more sources

Coherent state excitations and string-added coherent states in gauge-gravity correspondence [PDF]

open access: yesNuclear Physics B, 2023
We analyze detailed properties of BPS coherent states and their connection to gravity. We interpret the group integral coherent state as a path integral over auxiliary variables coupled to the elementary letters of the theory. The eigenvalues of coherent
Hai Lin
doaj   +2 more sources

Generation of a macroscopic entangled coherent state using quantum memories in circuit QED. [PDF]

open access: yesSci Rep, 2016
W-type entangled states can be used as quantum channels for, e.g., quantum teleportation, quantum dense coding and quantum key distribution. In this work, we propose a way to generate a macroscopic W-type entangled coherent state using quantum memories ...
Liu T   +5 more
europepmc   +3 more sources

Beyond coherent state quantization [PDF]

open access: yesJournal of Physics: Conference Series, 2019
Abstract We present an original approach to quantization based on operator-valued measure that generalizes the so-called Berezin-Klauder-Toeplitz quantization, and more generally coherent state quantization approches.
L. Gouba
openaire   +3 more sources

Spectral multiplexing and coherent-state decomposition in Fourier ptychographic imaging. [PDF]

open access: yesBiomed Opt Express, 2014
Information multiplexing is important for biomedical imaging and chemical sensing. In this paper, we report a microscopy imaging technique, termed state-multiplexed Fourier ptychography (FP), for information multiplexing and coherent-state decomposition.
Dong S, Shiradkar R, Nanda P, Zheng G.
europepmc   +3 more sources

Coherent State Control to Recover Quantum Entanglement and Coherence [PDF]

open access: yesEntropy, 2019
How to analytically deal with the entanglement and coherence dynamics of separated Jaynes−Cummings nodes with continuous-variable fields is still an open question. We here generalize this model to a more common situation including either a small or
Li-Tuo Shen   +2 more
doaj   +2 more sources

Discrete-phase-randomized coherent state source and its application in quantum key distribution [PDF]

open access: yesNew Journal of Physics, 2015
Coherent state photon sources are widely used in quantum information processing. In many applications, such as quantum key distribution (QKD), a coherent state functions as a mixture of Fock states by assuming that its phase is continuously randomized ...
Zhu Cao   +3 more
doaj   +2 more sources

Assessing the Effects of Orbital Relaxation and the Coherent-State Transformation in Quantum Electrodynamics Density Functional and Coupled-Cluster Theories. [PDF]

open access: yesJournal of Physical Chemistry A, 2023
Cavity quantum electrodynamics (QED) generalizations of time-dependent (TD) density functional theory (DFT) and equation-of-motion (EOM) coupled-cluster (CC) theory are used to model small molecules strongly coupled to optical cavity modes.
M. Liebenthal, N. Vu, A. DePrince
semanticscholar   +1 more source

High Photon Number Entangled States and Coherent State Superposition from the Extreme Ultraviolet to the Far Infrared. [PDF]

open access: yesPhysical Review Letters, 2021
We present a theoretical demonstration on the generation of entangled coherent states and of coherent state superpositions, with photon numbers and frequencies orders of magnitude higher than those provided by the current technology.
P. Stammer   +6 more
semanticscholar   +1 more source

Strong laser fields and their power to generate controllable high-photon-number coherent-state superpositions [PDF]

open access: yesPhysical Review A, 2021
Recently, intensely driven laser-matter interactions have been used to connect the fields of strong laser field physics with quantum optics by generating non-classical states of light.
J. Rivera-Dean   +8 more
semanticscholar   +1 more source

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