Perhaps this is also useful for photonic quantum computing:
"Light unbound: Data limits could vanish with new optical antennas" (2021) https://engineering.berkeley.edu/news/2021/02/light-unbound-... :
"Photonic quantum Hall effect and multiplexed light sources of large orbital angular momenta" (2021) https://www.nature.com/articles/s41567-021-01165-8 :
> Our work gives direct access to the infinite number of orbital angular momenta basis elements and will thus enable multiplexed quantum light sources for communication and imaging applications.
"Miniaturized technique to generate precise wavelengths of visible laser light" https://www.hackerneue.com/item?id=38497506
"Progress on chip-based spontaneous four-wave mixing quantum light sources" (2024) https://www.hackerneue.com/item?id=39244182
"Attoscience unveils light-matter hybrid phase in graphite like superconductivity" (2023) https://www.hackerneue.com/item?id=38650723