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Rigetti Computing Introduces Scalable Multi-chip Quantum Processor

Rigetti
Rigetti
Rigetti Computing today announced it is launching a multi-chip quantum processor. (IMAGE: Drew Bird)

Rigetti Computing, a pioneer in full-stack quantum computing, announced it is launching a multi-chip quantum processor.

The processor incorporates a proprietary modular architecture that accelerates the path to commercialization and solves key scaling challenges toward fault-tolerant quantum computers. Rigetti expects to make an 80-qubit system powered by the multi-chip technology available on its Quantum Cloud Services platform later this year.

“We’ve developed a fundamentally new approach to scaling quantum computers,” says Chad Rigetti, founder and CEO of Rigetti Computing. “Our proprietary innovations in chip design and manufacturing have unlocked what we believe is the fastest path to building the systems needed to run practical applications and error correction.”

Scaling quantum computers comes with inherent challenges. As chips increase in size, there is a higher likelihood of failure and lower manufacturing yield, making it increasingly difficult to produce high-quality devices. Rigetti has eliminated these roadblocks by developing the technology to connect multiple identical dies into a large-scale quantum processor. This modular approach exponentially reduces manufacturing complexity and allows for accelerated, predictable scaling.

“Scalability is a central objective across the entire quantum computing industry. Rigetti is the first to demonstrate an elegant, effective solution to this major technical challenge,” said Marko Lončar, a Harvard professor of electrical engineering working on quantum hardware, who is familiar with the company’s work.

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The company’s multi-chip approach enables future systems to scale in multiplicative ways. Next-generation architectures currently in development at Rigetti include individual chips with more qubits, as well as advanced technologies to help connect more of these chips into larger processors. Rigetti manufactures all of its chips at its California-based captive quantum foundry.

“There is a race to get from the tens of qubits that devices have today, to the thousands of qubits that future systems will require to solve real-world problems,” says Amir Safavi-Naeini, assistant professor of applied physics at Stanford. “Rigetti’s modular approach demonstrates a very promising way of approaching these scales.”

Source: Rigetti Computing
Rigetti Computing is a full-stack quantum computing company that builds superconducting quantum computing systems and delivers access to them over the cloud. These systems are optimized for integration with existing computing infrastructure and tailored to support the development of practical software and applications. Learn more at rigetti.com.

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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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