Satellite-based continuous-variable quantum communications: State-of-the-art and a predictive outlook
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 …
long-range quantum communication. Using single-photon discrete-variable quantum states …
Continuous variable quantum information: Gaussian states and beyond
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 …
quantum information in recent years. This is due to vehemently pursued experimental …
Continuous-variable entanglement via multiphoton catalysis
We theoretically investigate the performance of multiphoton catalysis applied on the two-
mode squeezed state by examining the entropy of entanglement, logarithmic negativity …
mode squeezed state by examining the entropy of entanglement, logarithmic negativity …
Quantifying the non-Gaussian character of a quantum state by quantum relative entropy
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 …
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
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 …
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
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 …
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
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 …
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 …
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 …
squeezing, and the continuous-variable quantum teleportation when considering non …
Reliable quantum certification of photonic state preparations
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 …
progress has been achieved recently, a major bottleneck currently is the lack of practical …