Rigetti Advances Quantum Error Correction through Innovative Project

Rigetti and Partners to Revolutionize Quantum Error Correction

Rigetti, in a collaborative effort with Riverlane and the National Quantum Computing Centre (NQCC), has emerged as one of the winners of Innovate UK’s Quantum Missions pilot competition. This exciting initiative is backed by a £3.5 million funding effort, which aims to significantly improve quantum error correction capabilities for superconducting quantum computers — a crucial step toward achieving fault-tolerant quantum computing.

Utilizing Cutting-Edge Quantum Technologies

Based in Berkeley, California, Rigetti UK Limited, a subsidiary of Rigetti Computing, Inc. (NASDAQ: RGTI), announced its leadership in this ambitious project. The consortium aims to leverage Rigetti’s cutting-edge quantum computers, hosted at the NQCC, to carry out sophisticated quantum error correction (QEC) tests. The goal is to enhance performance metrics and validate real-time QEC capabilities necessary for universal fault-tolerant quantum computing.

Challenges of Fault-Tolerant Quantum Computing

Fault tolerance in quantum computing holds immense potential for addressing complex real-world problems by unlocking unprecedented computational power. However, its realization hinges on the effective integration of QEC technologies with quantum computing systems. This project addresses critical challenges, including resolving processing bottlenecks in classical control systems that must operate seamlessly with quantum error decoding technologies; and managing high error rates in current quantum devices.

Rigetti's Commitment to Quantum Advancements

Part of this innovative project involves upgrading Rigetti's existing quantum computer at the NQCC. Key upgrades include:

Significant System Enhancements

- Deploying a larger quantum processing unit (QPU) that expands from the current 24 qubits to a powerful 36 qubits.
- Integrating a state-of-the-art control system that allows for enhanced qubit handling and offers a completely programmable, low-latency interface with Riverlane’s QEC Stack.

Riverlane's involvement is pivotal, as they will take the lead in the QEC experiments, concentrating on pivotal improvements that will boost system performance and achieve important QEC metrics. The NQCC's Superconducting Circuits Team will assist in system upgrades and ensure quality assurance throughout the QEC experiments.

Statements from Company Leaders

Dr. Subodh Kulkarni, CEO of Rigetti, emphasized the strategic importance of the NQCC testbed: "This facility continues to be a vital asset for advancing our technological capabilities. We see a significant advantage in our journey towards fault-tolerant quantum computing, especially with Riverlane’s expertise in QEC and our adaptable modular architecture that promotes innovation and scalability. Furthermore, the rapid gate speeds of superconducting qubits provide a clear path toward substantial scaling possibilities."

Collaborative Efforts Lead to Progress

Steve Brierley, CEO & Founder of Riverlane, shared his enthusiasm for the project, stating, "Developing effective quantum error correction is essential for achieving fault-tolerant systems, and this collaboration offers an ideal setting to enhance these capabilities. By merging our QEC stack with Rigetti’s upgraded superconducting quantum computer, we aspire to make significant strides in vital performance metrics like throughput, latency, and decoding accuracy that are essential for real-time error correction. Our team is excited about the progress we will make together through this collaboration."

The Vision for the Future of Quantum Computing

The Quantum Missions pilot competition is designed to propel advancements in quantum computing and networking projects, aiming to enhance their capabilities while removing barriers that hinder their commercialization. Rigetti has also secured two additional projects within this competition:

- A collaboration with SEEQC to integrate digital chip-based technology with Rigetti’s 9-qubit Novera™ QPU at the NQCC, aiming to identify key components crucial for scalable QEC. This project involves partners such as Cambridge Consultants, Oxford Instruments Nanotechnology Tools, NQCC, and the University of Edinburgh.
- A partnership with TreQ, Qruise, Q-CTRL, and Oxford Ionics to establish an open-architecture quantum computing testbed. This project proposes eight unique configurations by merging two quantum processors, two control systems, and two software stacks, ultimately providing an open specification for quantum workflows to facilitate a common interface between quantum software and hardware.

Rigetti's Pioneering Role in the Quantum Ecosystem

These initiatives build on Rigetti’s leadership role in the UK quantum computing landscape. The company has made strides by launching the first fully operational quantum computer at the NQCC and spearheading a comprehensive three-year consortium worth £10 million, aimed at deploying one of the first UK-based quantum computers located at the Oxford Instruments’ Tubney Woods facility.

About Rigetti Computing

Rigetti is at the forefront of full-stack quantum computing, having pioneered cloud-based quantum computer operations since 2017. They cater to a diverse clientele, including global enterprises, government agencies, and research institutions through the Rigetti Quantum Cloud Services platform. In 2021, Rigetti transitioned to selling on-premises quantum computing systems, featuring qubit counts that range from 24 to 84 qubits, which have significantly advanced the capabilities of national laboratories and quantum centers. The introduction of their 9-qubit Novera QPU in 2023 aims to provide high-performance on-premises solutions designed to integrate seamlessly with existing cryogenic and control systems. Known for creating the industry’s first multi-chip quantum processor and utilizing an in-house manufacturing facility, Rigetti continues to drive innovation in the sector. For more information, visit Rigetti's website.

Contact Rigetti Computing

If you would like to reach out to Rigetti, please contact press@rigetti.com.

Frequently Asked Questions

What is the goal of the Quantum Missions pilot competition?

The goal is to accelerate quantum computing projects by enhancing their capabilities and removing barriers to commercialization.

Who are Rigetti’s partners in this project?

Rigetti collaborates with Riverlane and the NQCC as part of the Quantum Missions pilot competition.

What are the expected outcomes of the project?

The project aims to benchmark and enhance quantum error correction capabilities, which are crucial for fault-tolerant quantum computing success.

How does this initiative benefit the UK’s quantum computing landscape?

This initiative strengthens Rigetti’s position in the quantum computing ecosystem while fostering technological advancements in the UK.

What innovations is Rigetti introducing with the upgraded quantum computer?

Rigetti plans to deploy a 36-qubit quantum processing unit and improve the control systems for enhanced qubit management.

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