Satellite-based continuous-variable quantum communications: State-of-the-art and a predictive outlook

N Hosseinidehaj, Z Babar, R Malaney… - … Surveys & Tutorials, 2018 - ieeexplore.ieee.org
The recent launch of the Micius quantum-enabled satellite heralds a major step forward for
long-range quantum communication. Using single-photon discrete-variable quantum states …

Continuous variable quantum information: Gaussian states and beyond

G Adesso, S Ragy, AR Lee - Open Systems & Information Dynamics, 2014 - World Scientific
The study of Gaussian states has arisen to a privileged position in continuous variable
quantum information in recent years. This is due to vehemently pursued experimental …

Continuous-variable entanglement via multiphoton catalysis

L Hu, Z Liao, MS Zubairy - Physical Review A, 2017 - APS
We theoretically investigate the performance of multiphoton catalysis applied on the two-
mode squeezed state by examining the entropy of entanglement, logarithmic negativity …

Quantifying the non-Gaussian character of a quantum state by quantum relative entropy

MG Genoni, MGA Paris, K Banaszek - Physical Review A—Atomic, Molecular …, 2008 - APS
We introduce a measure to quantify the non-Gaussian character of a quantum state: the
quantum relative entropy between the state under examination and a reference Gaussian …

Optimal estimation of losses at the ultimate quantum limit with non-Gaussian states

G Adesso, F Dell'Anno, S De Siena, F Illuminati… - Physical Review A …, 2009 - APS
We address the estimation of the loss parameter of a bosonic channel probed by arbitrary
signals. Unlike the optimal Gaussian probes, which can attain the ultimate bound on …

Quantum state engineering by a coherent superposition of photon subtraction and addition

SY Lee, H Nha - Physical Review A—Atomic, Molecular, and Optical …, 2010 - APS
We study a coherent superposition t â+ r ↠of field annihilation and creation operators
acting on continuous variable systems and propose its application for quantum state …

Enhancing quantum entanglement for continuous variables by a coherent superposition of photon subtraction and addition

SY Lee, SW Ji, HJ Kim, H Nha - Physical Review A—Atomic, Molecular, and …, 2011 - APS
We investigate how the entanglement properties of a two-mode state can be improved by
performing a coherent superposition operation t â+ r ↠of photon subtraction and …

Enhancing quantum entanglement by photon addition and subtraction

C Navarrete-Benlloch, R García-Patrón… - Physical Review A …, 2012 - APS
The non-Gaussian operations effected by adding or subtracting a photon on entangled
optical beams emerging from a parametric down-conversion process have been suggested …

Continuous-variable quantum teleportation with non-Gaussian entangled states generated via multiple-photon subtraction and addition

S Wang, LL Hou, XF Chen, XF Xu - Physical Review A, 2015 - APS
We theoretically analyze the Einstein-Podolsky-Rosen (EPR) correlation, the quadrature
squeezing, and the continuous-variable quantum teleportation when considering non …

Reliable quantum certification of photonic state preparations

L Aolita, C Gogolin, M Kliesch, J Eisert - Nature communications, 2015 - nature.com
Quantum technologies promise a variety of exciting applications. Even though impressive
progress has been achieved recently, a major bottleneck currently is the lack of practical …