Quantifying high-dimensional spatial entanglement with a single-photon-sensitive time-stam** camera

B Courme, C Vernière, P Svihra, S Gigan… - Optics letters, 2023 - opg.optica.org
High-dimensional entanglement is a promising resource for quantum technologies. Being
able to certify it for any quantum state is essential. However, to date, experimental …

Certification and applications of quantum nonlocal correlations

AE Piceno-Martínez, LEC Rosales-Zárate… - Journal of Physics …, 2023 - iopscience.iop.org
Abstract Entanglement and Einstein–Podolsky–Rosen (EPR) steering are nonlocal quantum
correlations, which are relevant resources for quantum information protocols. EPR steering …

Simultaneous transmission of hyper-entanglement in three degrees of freedom through a multicore fiber

L Achatz, L Bulla, S Ecker, EA Ortega… - npj Quantum …, 2023 - nature.com
Entanglement distribution is at the heart of most quantum communication protocols.
Inevitable loss of photons along quantum channels is a major obstacle for distributing …

Spatially resolving classical and quantum entanglement with structured photons

C Peters, P Ornelas, I Nape, A Forbes - Physical Review A, 2023 - APS
Nonseparability in classical and quantum states of light gives rise to the notions of classical
(local) and quantum (nonlocal) entanglement, usually defined as global features of the fields …

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

M Hong, R Gómez, V Flavio Gili, J Fuenzalida… - Optics Letters, 2024 - opg.optica.org
We present an experimental implementation of a polarization-entangled photon-pair source
based on beam displacers. The down-converted photons are emitted via spontaneous …

Spatial and spectral characterization of photon pairs at telecommunication wavelengths from type-0 spontaneous parametric downconversion

EA Ortega, J Fuenzalida, M Selimovic… - Journal of the Optical …, 2022 - opg.optica.org
The thorough characterization of entangled-photon sources is vital for<? TeX 0pc 47.5 pc?>
their optimal use in quantum communication. However, this task is not trivial at …

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

EA Ortega, J Fuenzalida, K Dovzhik, RF Shiozaki… - Optica …, 2024 - opg.optica.org
Quantum key distribution has shown promising advances in information transmission
security. In particular, quantum communication schemes based on entanglement have …

[HTML][HTML] Anisotropic spatial entanglement

S Patil, S Prabhakar, A Biswas, A Kumar, RP Singh - Physics Letters A, 2023 - Elsevier
The photon pairs generated through spontaneous parametric down-conversion (SPDC)
possess strong correlations in their transverse position and momentum degrees of freedom …

Simultaneous transmission of hyper-entanglement in 3 degrees of freedom through a multicore fiber

L Achatz, L Bulla, EA Ortega, M Bartokos… - arxiv preprint arxiv …, 2022 - arxiv.org
Entanglement distribution is at the heart of most quantum communication protocols.
Inevitable loss of photons along quantum channels is a major obstacle for distributing …

Inspecting the use of SLMs for the control of photonic quantum states

S Bordakevich, D Pabón, L Rebón… - arxiv preprint arxiv …, 2023 - arxiv.org
Spatial light modulators (SLMs) are widely used to coherently control quantum states of light.
When carrying out these experiments, some assumptions are made. For instance, it is …