Orbital angular momentum of photons and the entanglement of Laguerre–Gaussian modes

M Krenn, M Malik, M Erhard… - … Transactions of the …, 2017 - royalsocietypublishing.org
The identification of orbital angular momentum (OAM) as a fundamental property of a beam
of light nearly 25 years ago has led to an extensive body of research around this topic. The …

Multi-photon entanglement in high dimensions

M Malik, M Erhard, M Huber, M Krenn, R Fickler… - Nature …, 2016 - nature.com
Forming the backbone of quantum technologies today, entanglement, has been
demonstrated in physical systems as diverse as photons, ions and superconducting circuits …

Quantum mechanics with patterns of light: progress in high dimensional and multidimensional entanglement with structured light

A Forbes, I Nape - AVS Quantum Science, 2019 - pubs.aip.org
Quantum mechanics is now a mature topic dating back more than a century. During its
scientific development, it fostered many technological advances that now are integrated into …

Multiplexed millimeter wave communication with dual orbital angular momentum (OAM) mode antennas

X Hui, S Zheng, Y Chen, Y Hu, X Jin, H Chi, X Zhang - Scientific reports, 2015 - nature.com
Communications using the orbital angular momentum (OAM) of radio waves have attracted
much attention in recent years. In this paper, a novel millimeter-wave dual OAM mode …

Experimental estimation of quantum state properties from classical shadows

GI Struchalin, YA Zagorovskii, EV Kovlakov… - PRX Quantum, 2021 - APS
Full quantum tomography of high-dimensional quantum systems is experimentally infeasible
due to the exponential scaling of the number of required measurements on the number of …

Quantifying photonic high-dimensional entanglement

A Martin, T Guerreiro, A Tiranov, S Designolle… - Physical review …, 2017 - APS
High-dimensional entanglement offers promising perspectives in quantum information
science. In practice, however, the main challenge is to devise efficient methods to …

Using a complex optical orbital-angular-momentum spectrum to measure object parameters

G Xie, H Song, Z Zhao, G Milione, Y Ren, C Liu… - Optics letters, 2017 - opg.optica.org
Light beams can be characterized by their complex spatial profiles in both intensity and
phase. Analogous to time signals, which can be decomposed into multiple orthogonal …

Quantum tomography protocols with positivity are compressed sensing protocols

A Kalev, RL Kosut, IH Deutsch - npj Quantum Information, 2015 - nature.com
Characterising complex quantum systems is a vital task in quantum information science.
Quantum tomography, the standard tool used for this purpose, uses a well-designed …

Quantifying entanglement in a 68-billion-dimensional quantum state space

J Schneeloch, CC Tison, ML Fanto, PM Alsing… - Nature …, 2019 - nature.com
Entanglement is the powerful and enigmatic resource central to quantum information
processing, which promises capabilities in computing, simulation, secure communication …

Quantification of multidimensional entanglement stored in a crystal

A Tiranov, S Designolle, EZ Cruzeiro, J Lavoie… - Physical Review A, 2017 - APS
The use of multidimensional entanglement opens new perspectives for quantum information
processing. However, an important challenge in practice is to certify and characterize …