2026-05-19
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Chinese scientists have developed a programmable quantum computing prototype called Zhuzhang
4.0 that has set a new world record for optical quantum information technology.
The study has been published in the journal Nature,
led by the University of Science and Technology of China.
The teen used the prototype to solve the Gaussian boson sampling problem
at a speed more than 10 to the 54th times that of the world's most powerful supercomputer.
The researchers said they manipulated and detected quantum states of up to 3,050 photons, a significant leap.
From the 255 photons achieved with the previous Zhuzhong 3.0.
Current mainstream quantum computing technological routes include superconducting, ion trap, photonic, and neutral atom systems.
The Zhuzhong series of prototypes encodes quantum bits using photons
and performs quantum computation through the manipulation and measurement of these photons.
Since its successful construction in 2020,
the series has undergone several upgrades, achieving quantum computational advantage,
and repeatedly setting world records.
Liu Chaoyang, a professor at the University of Science and Technology,