Jiuzhang (quantum computer)
Jiuzhang (Chinese: 九章) is the first photonic quantum computer to claim quantum supremacy. Previously quantum supremacy has been achieved only once, in 2019, by Google's Sycamore; however, Google's computer was based on superconducting materials, and not photons.
Source: Wikipedia — Jiuzhang (quantum computer) (CC BY-SA 4.0)