China builds five qubit quantum computer sampling and will scale to 20 qubits by end…

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News Story Source:, brian wang
Chinese researchers have built a 10 qubit quantum computer.

China builds ten qubit quantum computer, They will scale to 20 qubits by end of this year and could beat the performance of any regular computer next year with a 30 qubit system.

A chinese research team led by Pan Jianwei is exploring three technical routes to quantum computers:
1. systems based on single photons,
2. ultra-cold atoms and
3. superconducting circuits.

Experimental set-up for multiphoton boson-sampling. The set-up includes four key parts: the single-photon device, demultiplexers, ultra-low-loss photonic circuit and detectors. The single-photon device is a single InAs/GaAs quantum dot coupled to a 2-µm-diameter micropillar cavity

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