activity
20152026
most citedChallenging local realism with human choices

293 citations · 636 across the 19 of their papers we have counts for

collaborators

19 papers

physics.optics2026

Vectorial field reconstruction without detecting the field

Jonas Vasikonis, Sebastian Töpfer, Satyajeet Patil +2

Vector beams, whose polarization varies across the transverse profile, are a central resource in structured-light optics and quantum photonics. Their characterization, however, bec…

quant-ph2025

Non-degenerate SPDC photon-pair source for UV-A illumination

Preetisha Goswami, Marta Gilaberte Basset, Jorge Fuenzalida +2

We present a frequency-correlated non-degenerate photon-pair source consisting of a second-order nonlinear crystal that generates ultraviolet UV-A and infrared light via spontaneou…

quant-ph2025

Advances in Position-Momentum Entanglement: A Versatile Tool for Quantum Technologies

Satyajeet Patil, Sebastian Töpfer, Rajshree Swarnkar +4

Position-momentum entanglement is a versatile high-dimensional resource in quantum optics. From fundamental tests of reality to applications in quantum technologies, spatial entang…

physics.optics2024★ 10 cited

Synthetic Quantum Holography with Undetected Light

Sebastian Töpfer, Sergio Tovar, Josué R. León Torres +4

Utilizing nonlinear interferometers for sensing with undetected light enables new sensing and imaging techniques in spectral ranges that are difficult to detect. To enhance this me…

quant-ph2024★ 1 cited

Visibility Stokes parameters as a foundation for quantum information science with undetected photons

Jaroslav Kysela, Markus Gräfe, Jorge Fuenzalida

The framework of measurement operators plays a fundamental role in extracting information about quantum systems. Recently, techniques based on induced coherence have been developed…

quant-ph2024★ 4 cited

Polarization-entangled photon pair source using beam displacers and thin crystals

Minjae Hong, Rodrigo Gomez, Valerio Flavio Gili +2

We present an experimental implementation of a polarization-entangled photon pair source based on beam displacers. The down-converted photons are emitted via spontaneous parametric…

quant-ph2024★ 6 cited

Implementation of space-division multiplexed entanglement-based quantum cryptography over multicore fiber

Evelyn A. Ortega, Jorge Fuenzalida, Krishna Dovzhik +6

Quantum communication implementations require efficient and reliable quantum channels. Optical fibers have proven to be an ideal candidate for distributing quantum states. Thus, to…

quant-ph2023★ 23 cited

Experimental analysis on image resolution of quantum imaging with undetected light through position correlations

Marta Gilaberte Basset, René Sondenheimer, Jorge Fuenzalida +7

Image resolution of quantum imaging with undetected photons is governed by the spatial correlations existing between the photons of a photon pair that has been generated in a nonli…

quant-ph2023★ 31 cited

Experimental quantum imaging distillation with undetected light

Jorge Fuenzalida, Marta Gilaberte Basset, Sebastian Töpfer +2

Imaging based on the induced coherence effect makes use of photon pairs to obtain information of an object without detecting the light that probes it. While one photon illuminates…

quant-ph2022★ 8 cited

Quantum state tomography of undetected photons

Jorge Fuenzalida, Jaroslav Kysela, Krishna Dovzhik +4

The measurement of quantum states is one of the most important problems in quantum mechanics. We introduce a quantum state tomography technique in which the state of a qubit is rec…

quant-ph2022★ 8 cited

Spatial and spectral characterization of photon pairs at telecommunication-wavelength from type-0 spontaneous parametric down-conversion

Evelyn A. Ortega, Jorge Fuenzalida, Mirela Selimovic +7

The thorough characterization of entangled-photon sources is vital for their optimal use in quantum communication. However, this task is not trivial at telecommunication wavelength…

quant-ph2022★ 25 cited

Fundamental resolution limit of quantum imaging with undetected photons

Andres Vega, Elkin A. Santos, Jorge Fuenzalida +5

Quantum imaging with undetected photons relies on the principle of induced coherence without induced emission and uses two sources of photon-pairs with a signal- and an idler photo…

quant-ph2021★ 114 cited

Quantum holography with undetected light

Sebastian Töpfer, Marta Gilaberte Basset, Jorge Fuenzalida +3

Holography exploits the interference of light fields to obtain a systematic reconstruction of the light fields wavefronts. Classical holography techniques have been very successful…

quant-ph2021★ 30 cited

Experimental space-division multiplexed polarization-entanglement distribution through 12 paths of a multicore fiber

Evelyn A. Ortega, Krishna Dovzhik, Jorge Fuenzalida +6

The development and wide application of quantum technologies highly depend on the capacity of the communication channels distributing entanglement. Space-division multiplexing (SDM…

quant-ph2020★ 13 cited

Certifying position-momentum entanglement at telecommunication wavelengths

Lukas Achatz, Evelyn Ortega, Krishna Dovzhik +5

TheThe successful employment of high-dimensional quantum correlations and its integration in telecommunication infrastructures is vital in cutting-edge quantum technologies for inc…

quant-ph2020★ 3 cited

Resolution of Quantum Imaging with Undetected Photons

Jorge Fuenzalida, Armin Hochrainer, Gabriela Barreto Lemos +4

Quantum imaging with undetected photons is a recently introduced technique that goes significantly beyond what was previously possible. In this technique, images are formed without…

quant-ph2018★ 293 cited

Challenging local realism with human choices

The BIG Bell Test Collaboration, C. Abellán, A. Acín +105

A Bell test is a randomized trial that compares experimental observations against the philosophical worldview of local realism. A Bell test requires spatially distributed entanglem…

quant-ph2015★ 32 cited

Experimental Multi-Party Sequential State Discrimination

M. A. Solís-Prosser, P. González, J. Fuenzalida +4

Recently, a protocol for quantum state discrimination (QSD) in a multi-party scenario has been introduced [Phys. Rev. Lett. 111, 100501 (2013)]. In this protocol, Alice generates a…

quant-ph2015★ 35 cited

Postselection-Loophole-Free Bell Test Over an Installed Optical Fiber Network

Gonzalo Carvacho, Jaime Cariñe, Gabriel Saavedra +9

Device-independent (DI) quantum communication will require a loophole-free violation of Bell inequalities. In typical scenarios where line-of-sight between the communicating partie…