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Quix checks off another condition to build universal quantum computer

Paul van Gerven
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Researchers using Quix Quantum’s technology have successfully demonstrated the on-chip generation of so-called Greenberger-Horne-Zeilinger (GHZ) states, a critical component for the advancement of photonic quantum computing. The Dutch startup focusing on photonics-based quantum computing hails the result as a breakthrough that validates the company’s roadmap towards building a scalable universal quantum computer.

The creation of GHZ states is necessary for photonic quantum computers. In a matter-based quantum computer, qubits are stationary, typically positioned on a specialized chip. By contrast, a photonic quantum computer uses flying qubits of light to process and transmit information. This information is constantly passed from one state to another through a process called quantum teleportation. The GHZ states – entanglements across three photonic qubits – are the crucial resource enabling the computer to maintain this information.

“This milestone demonstrates the capability of photonic quantum computers to generate multi-photon entanglement in a way that advances the roadmap toward large-scale quantum computation. The generation of GHZ states is evidence of the transformative potential of Quix Quantum’s photonic quantum computing technology,” commented CEO Stefan Hengesbach of Quix.

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