Gaussian boson sampling with 1,024 squeezed states in 8,176 modes

Nature, Published online: 13 May 2026; doi:10.1038/s41586-026-10523-6 A programmable photonic quantum processor, Jiuzhang 4.0, incorporates 1,024 high-efficiency squeezed states into a hybrid spatial–temporal encoded 8,176-mode circuit.