New results in quantum error correction with Prof. Misha Lukin, Dolev Bluvstein, and Harry Zhou
Dec 11, 2023
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Prof. Misha Lukin, Dolev Bluvstein, and Harry Zhou discuss their recent work on quantum error correction, achieving up to 48 logical qubits. They explore the use of neutral atoms and optical tweezers, scalability, and potential applications. The podcast also covers the history of quantum computing, challenges in implementing error correction, non-local connectivity benefits, current capabilities, and future potential of quantum systems.
The podcast highlights the evolution from physical to logical qubits and the significance of error correction in maintaining quantum states in large systems.
The podcast discusses the scalability of their methods and the potential for practical applications, showcasing the use of neutral atoms and optical tweezers in their experiments.
Deep dives
Quantum error correction and logical qubits
The podcast episode discusses the recent Quantum Air Correction paper and the realization of up to 48 logical qubits. It highlights the use of neutral atoms and optical tweezers in their experiments. The scalability of their methods and the potential for practical applications are explored.
Building logical processors
The podcast delves into the concept of building processors out of logical qubits, as opposed to physical qubits. It showcases the key findings of the paper, including the improvement of operations with increasing code sizes and the ability to program fault tolerance algorithms. The discussion also involves the advancements in controlling neutral atoms and the efficient entangling of logical qubits.
Technical aspects and algorithm execution
The podcast examines the technical aspects of the atom array experiment and the efficiency of transversal operations. It emphasizes the meaningful demonstration of running complex algorithms with error-corrected qubits, involving hundreds of logical qubits and various entangling and non-classical operations. The neutral atom approach and its flexible connectivity are highlighted as advantageous.
Scalability and potential commercial applications
The podcast explores the scalability of the approach, stating that the demonstrated tools can already work with around 1,000 qubits and have the potential to reach around 10,000 qubits. The discussion mentions the efficient encoding rates that allow for packing more information into fewer physical qubits. While the specific circuit executed may not have clear commercial applications yet, the underlying techniques and building blocks hold promise for practical applications in the future.
Prof. Misha Lukin (Harvard), Dolev Bluvstein (Harvard), and Harry Zhou (Harvard and QuEra), co-authors of a recent Harvard-led work in quantum error correction, published in Nature, are interviewed by Yuval Boger. The authors highlight the evolution from physical to logical qubits and the realization of up to 48 logical qubits and emphasize the significance of error correction in maintaining quantum states in large systems. They discuss using neutral atoms and optical tweezers in their experiments, the scalability of their methods, and the potential for practical applications. The conversation touches on future directions and much more.
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