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Phys. Rev. Lett. 101, 130501 (2008) [4 pages]

One-Way Quantum Computing in the Optical Frequency Comb

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Nicolas C. Menicucci1,2, Steven T. Flammia3, and Olivier Pfister4
1Department of Physics, Princeton University, Princeton, New Jersey 08544, USA
2Department of Physics, University of Queensland, Brisbane, Queensland 4072, Australia
3Perimeter Institute for Theoretical Physics, Waterloo, Ontario, N2L 2Y5 Canada
4Department of Physics, University of Virginia, Charlottesville, Virginia 22903, USA

Received 7 May 2008; published 22 September 2008

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One-way quantum computing allows any quantum algorithm to be implemented easily using just measurements. The difficult part is creating the universal resource, a cluster state, on which the measurements are made. We propose a scalable method that uses a single, multimode optical parametric oscillator (OPO). The method is very efficient and generates a continuous-variable cluster state, universal for quantum computation, with quantum information encoded in the quadratures of the optical frequency comb of the OPO.

© 2008 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.101.130501
DOI:
10.1103/PhysRevLett.101.130501
PACS:
03.67.Lx, 03.67.Pp, 42.50.Dv, 42.65.Yj
 
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