Perfil de investigador
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Profesor Asociado y miembro del claustro del programa de Magíster y Doctorado del Departamento de Física de la UdeC. Actualmente investiga Óptica Cuántica e Información Cuántica en el centro de investigación MIRO.
Correo: swalborn@udec.cl
Ubicación: CEFOP, FCFM
Proyectos de Investigación
- Fondecyt 1200266 – ANID
Papers
Exposure of subtle multipartite quantum nonlocality
npj Quantum Information
Stimulated Parametric Down-Conversion with Vector Vortex Beams
Physical Review Applied
Experimental demonstration of the advantage of using coherent measurements for phase estimation in the presence of depolarizing noise
Physical Review A
Interferometric sensing of the tilt angle of a Gaussian beam
Physical Review Research
Boosting Entanglement Generation in Down-Conversion with Incoherent Illumination
Physical Review Letters
Detection of quantum non-Markovianity close to the Born-Markov approximation
Physical Review
Distillation of Quantum Steering
Physical Review Letters
Multi-core fiber integrated multi-port beam splitters for quantum information processing
Optica
Quantum optical description of phase conjugation of vector vortex beams in stimulated parametric down-conversion
Physical Review Applied
Real-time phase conjugation of vector vortex beams
ACS Photonics
Robust interferometric sensing using two-photon interference
Physical Review Applied
Experimental investigation of linear-optics-based quantum target detection
Physical Review A
Optical simulation of the free Dirac equation
Physical Review A
Phase Conjugation and Mode Conversion in Stimulated Parametric Down-Conversion with Orbital Angular Momentum: a Geometrical Interpretation
Brazilian Journal of Physics
Experimental quantum information processing with the Talbot effect
Journal of Optics (United Kingdom)
Klyshko’s advanced-wave picture in stimulated parametric down-conversion with a spatially structured pump beam
Physical Review A
Mutual Unbiasedness in Coarse-Grained Continuous Variables
Physical Review Letters
Mutually unbiased coarse-grained measurements of two or more phase-space variables
Physical Review A
Quantum erasure in the near-field
Journal of Physics B: Atomic, Molecular and Optical Physics
Quantum-enhanced sensing from hyperentanglement
Physical Review A
Testing for entanglement with periodic coarse graining
Physical Review A
Uncertainty relations for coarse-grained measurements: An overview
Entropy
Achieving metrological precision limits through postselection
Physical Review A
Experimental multipartite entanglement and randomness certification of the W state in the quantum steering scenario
Quantum Science and Technology
Free-space entangled quantum carpets
Physical Review A
General conditions for maximal violation of non-contextuality in discrete and continuous variables
Journal of Physics A: Mathematical and Theoretical
Contextually in a Peres – Mermin square using arbitrary operators
Journal of Physics: Conference Series
Detecting entanglement of continuous variables with three mutually unbiased bases
Physical Review A
Entanglement-breaking channels and entanglement sudden death
Physical Review A
Quantum information processing in phase space: A modular variables approach
Physical Review A
Uncertainty relations for characteristic functions
Physical Review A
80 years of steering and the Einstein-Podolsky-Rosen paradox: Introduction
Journal of the Optical Society of America B: Optical Physics
Detecting multipartite spatial entanglement with modular variables
Physical Review A – Atomic, Molecular, and Optical Physics
Detection of entanglement in asymmetric quantum networks and multipartite quantum steering
Nature Communications
Deterministic quantum computation with one photonic qubit
Physical Review A – Atomic, Molecular, and Optical Physics
Experimental determination of multipartite entanglement with incomplete information
Physical Review X
Quantum information processing by weaving quantum Talbot carpets
Physical Review A – Atomic, Molecular, and Optical Physics
Resilience of hybrid optical angular momentum qubits to turbulence
Scientific Reports
Systematic construction of genuine-multipartite-entanglement criteria in continuous-variable systems using uncertainty relations
Physical Review A – Atomic, Molecular, and Optical Physics
Toolbox for continuous-variable entanglement production and measurement using spontaneous parametric down-conversion
Physical Review A – Atomic, Molecular, and Optical Physics
Ancilla-assisted measurement of photonic spatial correlations and entanglement
Physical Review Letters
Characterization of a spatial light modulator as a polarization quantum channel
Physical Review A – Atomic, Molecular, and Optical Physics
Continuous discretization of infinite-dimensional Hilbert spaces
Physical Review A – Atomic, Molecular, and Optical Physics
Experimental entanglement redistribution under decoherence channels
Physical Review Letters
Flow of quantum correlations from a two-qubit system to its environment
Physical Review A – Atomic, Molecular, and Optical Physics
Hybrid single photon states: A resource for quantum communication and metrology
Optics InfoBase Conference Papers
Hybrid single photon states: A resource for quantum communication and metrology
Optics InfoBase Conference Papers
Linear-optical simulation of the cooling of a cluster-state Hamiltonian system
Physical Review Letters
Measuring spatial correlations of photon pairs by automated raster scanning with spatial light modulators
Scientific Reports
Non-markovianity through accessible information
Physical Review Letters
Non-Markovianity through flow of information between a system and an environment
Physical Review A – Atomic, Molecular, and Optical Physics
Optical integration of a real-valued function by measurement of a Stokes parameter
Journal of the Optical Society of America A: Optics and Image Science, and Vision
Photonic gears for ultra-sensitive angular measurements
Optics InfoBase Conference Papers
Complete experimental toolbox for alignment-free quantum communication
2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013
Complete experimental toolbox for alignment-free quantum communication
Optics InfoBase Conference Papers
Direct measurement of the biphoton Wigner function through two-photon interference
Scientific Reports
Einstein-Podolsky-Rosen steering inequalities from entropic uncertainty relations
Physical Review A – Atomic, Molecular, and Optical Physics
Entropic EPR steering inequalities
Optics InfoBase Conference Papers
Experimental observation of quantum correlations in modular variables
Optics InfoBase Conference Papers
Genuine tripartite continuous-variable entanglement with spatial degrees of freedom of photons
Physical Review A – Atomic, Molecular, and Optical Physics
Interferometric scheme for direct measurement of moments of transverse spatial variables of photons
Physical Review A – Atomic, Molecular, and Optical Physics
Observation of the emergence of multipartite entanglement between a bipartite system and its environment
Optics InfoBase Conference Papers
Photonic polarization gears for ultra-sensitive angular measurements
Nature Communications
Reliable entanglement detection under coarse-grained measurements
Physical Review Letters
Reliable entanglement detection under coarse-grained measurements
Optics InfoBase Conference Papers
Reliable entanglement detection under coarse-grained measurements
Optics InfoBase Conference Papers
Bell inequalities with continuous angular variables
Physical Review A – Atomic, Molecular, and Optical Physics
Complete experimental toolbox for alignment-free quantum communication
Nature Communications
Emergence of the pointer basis through the dynamics of correlations
Physical Review Letters
Experimental estimate of a classicality witness via a single measurement
Physical Review Letters
Experimental investigation of dynamical invariants in bipartite entanglement
Physical Review A – Atomic, Molecular, and Optical Physics
Experimental observation of quantum chaos in a beam of light
Nature Communications
Experimental observation of quantum correlations in modular variables
Physical Review A – Atomic, Molecular, and Optical Physics
Fourth-order coherence induced by spatial mode parity selection
Physical Review A – Atomic, Molecular, and Optical Physics
Generalized Hermite-Gauss decomposition of the two-photon state produced by spontaneous parametric down conversion
Journal of Physics B: Atomic, Molecular and Optical Physics
Heisenberg uncertainty relation for coarse-grained observables
EPL
Observation of the emergence of multipartite entanglement between a bipartite system and its environment
Physical Review Letters
One-sided device-independent quantum key distribution: Security, feasibility, and the connection with steering
Physical Review A – Atomic, Molecular, and Optical Physics
Optimal uncertainty relations for extremely coarse-grained measurements
Physical Review A – Atomic, Molecular, and Optical Physics
Production of non-local optical phase space vortices
2012 Conference on Lasers and Electro-Optics, CLEO 2012
Continuous-variable quantum computation with spatial degrees of freedom of photons
Physical Review A – Atomic, Molecular, and Optical Physics
Family of continuous-variable entanglement criteria using general entropy functions
Physical Review A – Atomic, Molecular, and Optical Physics
Interference effects induced by non-local spatial filtering
Optics Express
Production of optical phase space vortices with non-locally distributed mode converters
Journal of Optics
Revealing hidden einstein-podolsky-rosen nonlocality
Physical Review Letters
Spatial correlations in parametric down-conversion
Physics Reports
Complete teleportation of a paraxial single-photon field
Physical Review A – Atomic, Molecular, and Optical Physics
Determining the dynamics of entanglement
Science
Entropic Entanglement Criteria for Continuous Variables
Physical Review Letters
Observation of a nonlocal optical vortex
Physical Review Letters
Observation of tunable popescu-rohrlich correlations through postselection of a Gaussian state
Physical Review A
Propagation of transverse intensity correlations of a two-photon state
Physical Review A
Quantum entanglement beyond Gaussian criteria
Proceedings of the National Academy of Sciences of the United States of America
BB84 quantum key distribution without a shared reference frame
Optics InfoBase Conference Papers
Detection of transverse entanglement in phase space
Physical Review A
Experimental investigation of the dynamics of entanglement: Sudden death, complementarity, and continuous monitoring of the environment
Physical Review A
Hyperentanglement: Breaking the communication barrier
Nature Physics
Observation of the entanglement sudden death
Conference on Quantum Electronics and Laser Science (QELS) – Technical Digest Series
Quantum key distribution without a shared reference frame
Physical Review A
Quantum random walks and wave-packet reshaping at the single-photon level
Physical Review A
Schemes for quantum key distribution with higher-order alphabets using single-photon fractional Fourier optics
Physical Review A
Entanglement and decoherence: Global versus local dynamics
Optics InfoBase Conference Papers
Environment-induced sudden death of entanglement
Science
Experimental determination of entanglement by a projective measurement
Physical Review A
Experimental determination of entanglement by a projective measurement
Optics InfoBase Conference Papers
Experimental observation of environment-induced sudden death of entanglement
Proceedings of SPIE – The International Society for Optical Engineering
Mapping continuous variables transverse spatial degrees of freedom of photons on a spin 1/2 system
Optics InfoBase Conference Papers
Quantum communication without alignment using multiple-qubit single-photon states
Physical Review Letters
Quantum nondemolition circuit for testing bipartite complementarity
Physical Review Letters
Quantum teleportation of the angular spectrum of a single-photon field
Physical Review A
Transverse spatial entanglement in parametric down-conversion
Physical Review A
Violation of bell inequality with the fractional momentum of the photon: A step towards a new q-bit
Optics InfoBase Conference Papers
A simple optical demonstration of quantum cryptography using transverse position and momentum variables
American Journal of Physics
Experimental determination of entanglement with a single measurement
Nature
Quantum information processing with hyperentangled photon states
Quantum Information and Computation
Quantum key distribution with higher-order alphabets using spatially encoded qudits
Physical Review Letters
Simultaneous observation of correlations in position-momentum and polarization variables
Physical Review A
Conservation and entanglement of Hermite-Gaussian modes in parametric down-conversion
Physical Review A
Experimental investigation of quantum key distribution with position and momentum of photon pairs
Physical Review A
Implementing the Deutsch algorithm with polarization and transverse spatial modes
Journal of Optics B: Quantum and Semiclassical Optics
Multimode Hong-Ou-Mandel interferometry
Modern Physics Letters B
Entanglement and conservation of orbital angular momentum in spontaneous parametric down-conversion
Physical Review A
Entanglement and conservation of orbital angular momentum in spontaneous parametric down-conversion
Physical Review A
Generation of a Two-Photon Singlet Beam
Physical Review Letters
Generation of a Two-Photon Singlet Beam
Physical Review Letters
Hyperentanglement-assisted Bell-state analysis
Physical Review A
Hyperentanglement-assisted Bell-state analysis
Physical Review A
Multimode Hong-Ou-Mandel interference
Physical Review Letters
Multimode Hong-Ou-Mandel Interference
Physical Review Letters
Optical Bell-state analysis in the coincidence basis
Europhysics Letters
Quantum erasureAmerican Scientist2003 | other
Double-slit quantum eraser
Physical Review A
Double-slit quantum eraser
Physical Review A
Spatial antibunching of photons with parametric down-conversion
Physical Review A
Spatial antibunching of photons with parametric down-conversion
Physical Review A
Experimental observation of spatial antibunching of photons
Physical Review Letters
Dirac deltas and discontinuous functions
American Journal of Physics
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