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

  • Fondecyt 1200266 – ANID

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