New quantum device generates single photons and encodes information

https://phys.org/news/2023-08-quantum-device-generates-photons-encodes.html

"stacked 2 different atomically thin materials... chiral quantum light source... low-cost... introduce polarization, 2 devices in one... stack single-molecule-thick tungsten diselenide semiconductor onto thicker layer nickel phosphorus trisulfide magnetic semiconductor... laser indentations 400 nm diameter forming depression potential energy landscape... tungsten diselenide monolayer electrons fall in stimulating single photons steam magnetically polarizing photons emitted into waveguides... ultra-secure quantum internet"

Related: Advanced measurements unravel nanoscale phenomena in tungsten diselenide
https://phys.org/news/2024-02-advanced-unravel-nanoscale-phenomena-tungsten.html