Researchers Build Multi-Purpose Silicon Chip For Quantum Information Processing – Quantum Computing Becomes More Tangible


An international team which is led by the UK and Chinese researchers has proven a new multi-functional quantum processor which can be used as a scientific tool to perform a wide array of quantum data experiments, says the latest study released by the University of Bristol.

The team used silicon photonic chips as a way to try and build quantum computing elements on a larger scale, and the latest results prove that it’s possible to adequately control two qubits of data within a single integrated chip.

In other words, any task that can be achieved with two qubits will be able to be programmed and realized with this device.

Traditional computing vs. quantum computing

Traditional computers have bits as 1 or 0, and quantum computers are based on qubits that can be in a superposition of the 1 and 0.

More qubits can be linked in a way that’s called quantum entanglements, and these two properties provide the power for the quantum computers.

With the help of this fully developed new processor, researchers will be able to perform quantum data experiments, but it will also show just how fully functional quantum computers really are.

This is extremely important because it’s already a known fact that one of the challenges of bringing quantum computing technology into real life and real uses is making such a computer in a way in which many parts can be built with high quality and low costs.

The processor is still primitive

“It’s a very primitive processor because it only works on two qubits, which means there is still a long way before we can do useful computations with this technology,” said Lead author, Dr. Xiaogang Qiang.

“But what is exciting is that the different properties of silicon photonics that can be used for making a quantum computer have been combined together in one device,” Qiang also said.


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