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Layered Architecture for Quantum Computing
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DOI：10.1103/PhysRevX.2.031007.png)
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Abstract
En 中文
We develop a layered quantum-computer architecture, which is a systematic framework for tackling the individual challenges of developing a quantum computer while constructing a cohesive device design. We discuss many of the prominent techniques for implementing circuit-model quantum computing and introduce several new methods, with an emphasis on employing surface-code quantum error correction. In doing so, we propose a new quantum-computer architecture based on optical control of quantum dots. The time scales of physical-hardware operations and logical, error-corrected quantum gates differ by several orders of magnitude. By dividing functionality into layers, we can design and analyze subsystems independently, demonstrating the value of our layered architectural approach. Using this concrete hardware platform, we provide resource analysis for executing fault-tolerant quantum algorithms for integer factoring and quantum simulation, finding that the quantum-dot architecture we study could solve such problems on the time scale of days.
Keywords:
DECOHERENCE-FREE SUBSPACES
ELECTRON-SPIN
SHORS ALGORITHM
COMPUTATION
QUBIT
COMMUNICATION
DESIGN
TIME
IMPLEMENTATION
REQUIREMENTS
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