- By Henry Faulkner Brittany
- January 19, 2022
Chinese developers made new breakthrough in quantum computing and claims to have the world’s fastest Quantum computer. China Quantum computer breakthrough surpasses Google as Physicists set a new quantum computing benchmark.
After this innovative breakthrough, China is now leading the quantum computing race. Google trumped as a Chinese research team builds the quantum computer. China’s quantum computer can complete calculations in just over an hour that classical computers would perform in more than eight years.
Electrons and superconductors based-Google’s 53-qubit Sycamore quantum supercomputer is unlike the latest Chinese achievement in the field entitled Zuchongzhi can process 66 qubits. China quantum computer is base on optical circuits and photons that make it different from the Google quantum supercomputer.
This innovation seems to the latest milestone in the realm of quantum computing across the last two years. Researchers all over the world eagerly awaited the quantum advantage – the point at which quantum computing will have enough ability to perform calculations in a short time contrary to classical computing that takes an impractical amount of time for the same activity.
In 2019, the team from Google was the first to achieve this milestone using superconducting qubits. Following the footsteps, in 2020, a team from China amassed the ante using photonic qubits.
Now, Google is trumped again by another Chinese team (But lead the same researcher – Jian-Wei Pan at the University of Science and Technology of China in Shanghai).
The pre-print server ArXiv published a story demonstrating that Chinese developers use superconducting qubits on a quantum processor called Zuchongzhi.
Zuchongzhi is a 2D programmable computer that has the ability to manipulate up to 66 qubits simultaneously. In order to overcome a computational problem, the new demonstration used 56 of them aims to test the computer’s skills – namely, sampling the output distribution of random quantum circuits.
“We estimate that the sampling task finished by Zuchongzhi in about 1.2 hours will take the most powerful supercomputer at least eight years,” the team reports in its paper.
“Our work establishes an unambiguous quantum computational advantage that is infeasible for classical computation in a reasonable amount of time. The high-precision and programmable quantum computing platform opens a new door to explore novel many-body phenomena and implement complex quantum algorithms.”
China Quantum Computer news: Calculations were very complex and 100 times more challenging contrary to one solved in 2019 by Google’s Scymore processor. However, Google’s Sycamore used 54 qubits and Zuchongzhi used 56 qubits demonstrating that an increase in the number of qubits will improve processor performance exponentially.
In the 2020 Chinese team’s demonstration, these numbers failed to meet the expectations of 76 photonic qubits, but the processor of that demonstration involved a novel set-up of lasers, mirrors, prisms, and photon directors, and differently programmable from Sycamore or Zuchongzhi.