Jiuzhang 4.0 programmable quantum computing prototype manipulates/ detects quantum states of up to record 3,050 photons

https://phys.org/news/2026-05-prototype-optical-quantum-technology.html

"massive leap from predecessor's 255 photons... integrates 1,024 high-efficiency squeezed-state optical fields into 8,176-mode spatiotemporally hybrid-coded circuit... solves Gaussian boson sampling problem at >10^54 times faster than the world’s most powerful classical supercomputer... drastically reduces data sampling times to just 25 microseconds and opens up critical structural pathways for developing future fault-tolerant optical quantum computing hardware"