Harnessing high-dimensional quantum states with quantum dots (QDs) and orbital angular momentum (OAM).

https://phys.org/news/2023-09-quantum-potential-harnessing-high-dimensional-states.html

"(1) make pure single photons entangled within OAM-polarization space which can be counted directly. (2) make photon pairs that are strongly quantum correlated... quantum communication, quantum computing and encryption"

Related:

Quantum Surprise: Atoms Producing Entangled Photon Pairs

https://scitechdaily.com/quantum-surprise-atoms-producing-entangled-photon-pairs/

Unlocking quantum potential: Harnessing high-dimensional quantum states with QDs and OAM

https://phys.org/news/2023-09-quantum-potential-harnessing-high-dimensional-states.html