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Earl Campbell

As seen in: Nature, Physical Review B, Physical Review Letters, EE Times, NewsBreak, Electronic Design, VideoGIE
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Articles

Demonstrating real-time and low-latency quantum error correction with superconducting qubits

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By Laura Caune, Luka Skoric, Nick S. Blunt, Jimmy McDaniel, Andrew Patterson, Alexander V. Gramolin, Ophelia Crawford, György P. Gehér, Hari Krovi, Stefano Poletto, Michael Bryant, Neil I. Gillespie, Glenn Jones, Kauser Johar, Earl Campbell, Alexander Hill, Archibald Ruban, Joseph A. Valery, Joonas Majaniemi, Kenton M. Barnes, Tomasz Bialas, Okan Buğdaycı, Elisha Matekole, Canberk Topal, Kalan Snyder
| Nature Verified
Abstract Quantum error correction will be essential for quantum computers to realise their full potential. As quantum computers advance towards demonstrating a universal fault-tolerant logical gate set, implementing scalable and low-latency real-time decoding will be crucial to avoid an exponential slowdown and maintain a fast logical clock rate. Here, we demonstrate low-latency feedback with a scalable FPGA decoder integrated into the control system of a superconducting quantum processor.
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Tangling Schedules Eases Hardware Connectivity Requirements for Quantum Error Correction

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By György P. Gehér, Andrew’s House, Ophelia Crawford, Earl Campbell
| Physical Review B
Popular Summary Error correction will be vital to enable large-scale quantum computations. Through it, multiple physical qubits are used to encode a single logical qubit, thereby introducing redundancy, which provides protection against errors. The surface code is a promising error-correction scheme, in part because of the limited requirements it places on the quantum hardware compared to other schemes.
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The Path to Useful Quantum Computing Needs a QEC Roadmap

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By Earl Campbell
| Electronic Design Verified
This article is part of Electronic Design's 2024 Technology Forecast series. What you'll learn: It's also part of the TechXchange: Basic Quantum Computing. Why is error detection so critical to enabling quantum computing to scale? What is decoding and how must it progress to address the error correction challenges? What lies ahead on the QEC roadmap? Today's quantum computers are noisy.
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