Beyond NISQ: The Megaquop Machine
John Preskill
TL;DR
This paper discusses the transition from NISQ devices to large-scale, error-corrected quantum computers, exploring their potential applications and the technological advancements needed to realize megaquop machines capable of extensive quantum operations.
Contribution
It introduces the concept of megaquop machines, emphasizing the importance of quantum error correction for practical, large-scale quantum computing beyond NISQ limitations.
Findings
Quantum error correction is advancing on actual hardware.
Error-corrected quantum computers may perform over one million operations.
Potential applications of megaquop machines are explored.
Abstract
Today's Noisy Intermediate-Scale Quantum (NISQ) computers have scientific value, but quantum machines with broad practical value must be protected against noise using quantum error correction and fault-tolerant protocols. Recent studies of quantum error correction on actual hardware are opening a new era of quantum information processing. Error-corrected computers capable of performing one million quantum operations or more may be realized soon, raising a compelling question for the quantum community: What are the potential uses of these megaquop machines?
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