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UK Quantum Developer Says Optimization Advance Could Boost Real-World Uses

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Insider Brief

  • Scientists report a new technique for quantum arrays could help unlock new ways to achieve quantum optimization of complex problems.
  • The team says that the control mechanism could lead to different encodings of problems onto an analog quantum computer.
  • The findings stem from a recent paper published in a longstanding collaboration between M Squared and the University of Strathclyde.

A recent first-of-its-kind demonstration of “light-shift weighting” of a quantum array by scientists in the UK will help unlock new ways to achieve quantum optimization of complex problems. Using neutral atom arrays, this control mechanism opens the door to exploring different encodings of problems onto an analog quantum computer.

The findings stem from a recent paper published in a longstanding collaboration between M Squared and the University of Strathclyde and will further the operational capability of M Squared’s Maxwell Quantum Computing platform towards useful commercial applications.

This is the first time a machine has been used for a computational process and showcases a potential pathway that would provide a route to map a large variety of graph and Quadratic unconstrained binary optimisation (QUBO) problems onto neutral atom arrays.

Focusing on analogue quantum computation, the research demonstrates a new pathway to solving very complex optimisation problems. This work represents the global first demonstration of weighted graph optimisation on a Rydberg atom array using annealing with local light-shift and control of weighting via local light shifts, which is highly scalable.

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Carried out under the long-running Square Partnership with the University of Strathclyde in Glasgow, the demonstration has verified the ability to implement graph optimisation using local-light shifts in a scalable way and performed the first embedded weighted unit disk graph using local control for weight constraints.

Graeme Malcolm, co-founder and CEO of M Squared said: “Neutral atom arrays have now emerged as a versatile platform towards scalable quantum computation and optimisation. The demonstration provides a scalable and versatile platform for near-term quantum computing in optimisation problems including logistics and systems optimisation promising to benefit many different industries.”

 The full paper, ‘Demonstration of weighted graph optimisation on a Rydberg atom array using local light-shifts’ can be found here.

 

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Matt Swayne

With a several-decades long background in journalism and communications, Matt Swayne has worked as a science communicator for an R1 university for more than 12 years, specializing in translating high tech and deep tech for the general audience. He has served as a writer, editor and analyst at The Quantum Insider since its inception. In addition to his service as a science communicator, Matt also develops courses to improve the media and communications skills of scientists and has taught courses. [email protected]

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The Future of Materials Discovery: Reducing R&D Costs significantly with GenMat’s AI and Machine Learning Tools

When: July 13, 2023 at 11:30am

What: GenMat Webinar

Picture of Jake Vikoren

Jake Vikoren

Company Speaker

Picture of Deep Prasad

Deep Prasad

Company Speaker

Picture of Araceli Venegas

Araceli Venegas

Company Speaker

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