A scalable, high-speed measurement-based quantum computer using trapped ions

Details A scalable, high-speed measurement-based quantum computer using trapped ions A scalable, high-speed measurement-based quantum computer using trapped ions

2008-08-12

arxiv.org/abs/0808.1591v2

Phys. Rev. Lett. 102, 170501 (2009)

Physics

Quantum Physics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.102.170501

We describe a scalable, high-speed, and robust architecture for measurement-based quantum-computing with trapped ions. Measurement-based architectures offer a way to speed-up operation of a quantum computer significantly by parallelizing the slow entangling operations and transferring the speed requirement to fast measurement of qubits. We show that a 3D cluster state suitable for fault-tolerant measurement-based quantum computing can be implemented on a 2D array of ion traps. We propose the projective measurement of ions via multi-photon photoionization for nanosecond operation and discuss the viability of such a scheme for Ca ions.

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