China’s First Photonic Chip Production Line To Be Ready In 2023: Media Report

https://www.technologytimes.pk/2022/10/19/chinas-first-photonic-chip-production-line-to-be-ready-in-2023-media-report/

"calculation speed and transmission rate are 1,000 times those of electronic chips... stability and low power consumption... don’t require extremely high-end lithography machines such as extreme ultraviolet lithography, and can be produced using raw materials and types of equipment that are already mature"

Related: Nvidia Speeds Key Chipmaking Computation by 40x Inverse lithography produces features smaller than the wavelength of light, but it usually takes weeks to compute
https://spectrum.ieee.org/inverse-lithography