[HTML][HTML] Recent advances in Wigner function approaches

J Weinbub, DK Ferry - Applied Physics Reviews, 2018 - pubs.aip.org
The Wigner function was formulated in 1932 by Eugene Paul Wigner, at a time when
quantum mechanics was in its infancy. In doing so, he brought phase space representations …

Quantum steering: Practical challenges and future directions

Y Xiang, S Cheng, Q Gong, Z Ficek, Q He - PRX Quantum, 2022 - APS
Einstein-Rosen-Podolsky (EPR) steering or quantum steering describes the “spooky action
at a distance” that one party is able to remotely alter the states of the other if they share a …

Remote preparation of optical cat states based on Gaussian entanglement

D Han, F Sun, N Wang, Y Xiang… - Laser & Photonics …, 2023 - Wiley Online Library
Remote state preparation enables one to prepare and manipulate quantum state non‐
locally. As an essential quantum resource, optical cat state is usually prepared locally by …

[图书][B] The Wigner function in science and technology

DK Ferry, M Nedjalkov - 2018 - iopscience.iop.org
This book is designed to give a background on the origins and development of Wigner
functions, as well as its mathematical underpinnings. Along the way the authors emphasise …

Versatile multipartite Einstein-Podolsky-Rosen steering via a quantum frequency comb

Y Cai, Y Xiang, Y Liu, Q He, N Treps - Physical Review Research, 2020 - APS
Multipartite Einstein-Podolsky-Rosen steering is an essential resource for quantum
communication networks where the reliability of the equipment at all of the nodes cannot be …

Enhanced Phase Estimation in Parity‐Detection‐Based Mach–Zehnder Interferometer using Non‐Gaussian Two‐Mode Squeezed Thermal Input State

C Kumar, Rishabh, S Arora - Annalen der Physik, 2023 - Wiley Online Library
While the quantum metrological advantages of performing non‐Gaussian operations on two‐
mode squeezed vacuum (TMSV) states have been extensively explored, similar studies in …

[HTML][HTML] Quantum steering with Gaussian states: A tutorial

M Frigerio, C Destri, S Olivares, MGA Paris - Physics Letters A, 2022 - Elsevier
Quantum steering refers to the apparent possibility of exploiting quantum correlations to
remotely influence the quantum state of a subsystem, by measuring local degrees of …

Homodyne detection of non-Gaussian quantum steering

CE Lopetegui, M Gessner, M Fadel, N Treps… - PRX Quantum, 2022 - APS
Quantum correlations are at the core of current developments in quantum technologies.
Certification protocols of entanglement and steering, suitable for continuous-variable non …

Multipartite Einstein-Podolsky-Rosen steering sharing with separable states

Y Xiang, X Su, L Mišta Jr, G Adesso, Q He - Physical Review A, 2019 - APS
The distribution of quantum correlations among remote users is a key procedure underlying
many quantum information technologies. Einstein-Podolsky-Rosen steering, which is one …

Distribution and quantification of remotely generated Wigner negativity

Y Xiang, S Liu, J Guo, Q Gong, N Treps, Q He… - npj Quantum …, 2022 - nature.com
Wigner negativity, as a well-known indicator of nonclassicality, plays an essential role in
quantum computing and simulation using continuous-variable systems. The conditional …