Physics – Quantum Physics
Scientific paper
2005-09-07
Physics
Quantum Physics
13 pages, 9 figures, 2 tables. To appear in the 2005 International Symposium on Microarchitecture (MICRO-38)
Scientific paper
Recent experimental advances have demonstrated technologies capable of supporting scalable quantum computation. A critical next step is how to put those technologies together into a scalable, fault-tolerant system that is also feasible. We propose a Quantum Logic Array (QLA) microarchitecture that forms the foundation of such a system. The QLA focuses on the communication resources necessary to efficiently support fault-tolerant computations. We leverage the extensive groundwork in quantum error correction theory and provide analysis that shows that our system is both asymptotically and empirically fault tolerant. Specifically, we use the QLA to implement a hierarchical, array-based design and a logarithmic expense quantum-teleportation communication protocol. Our goal is to overcome the primary scalability challenges of reliability, communication, and quantum resource distribution that plague current proposals for large-scale quantum computing.
Chong Frederic T.
Chuang Isaac L.
Cross Andrew W.
Metodi Tzvetan S.
Thaker Darshan D.
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