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APS » Journals » Phys. Rev. Lett. » Volume 92 » Issue 12
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Phys. Rev. Lett. 92, 127902 (2004) [4 pages]

Scalable Photonic Quantum Computation through Cavity-Assisted Interactions

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L.-M. Duan1,2 and H. J. Kimble3
1FOCUS Center and MCTP, Department of Physics, University of Michigan, Ann Arbor, Michigan 48109-1120, USA
2Laboratory of Quantum Information, USTC, Hefei, Anhui 230026, China
3Norman Bridge Laboratory of Physics 12-33, California Institute of Technology, Pasadena, California 91125, USA

Received 25 September 2003; published 25 March 2004

We propose a scheme for scalable photonic quantum computation based on cavity-assisted interaction between single-photon pulses. The prototypical quantum controlled phase-flip gate between the single-photon pulses is achieved by successively reflecting them from an optical cavity with a single-trapped atom. Our proposed protocol is shown to be robust to practical noise and experimental imperfections in current cavity-QED setups.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.92.127902
DOI:
10.1103/PhysRevLett.92.127902
PACS:
03.67.Pp, 03.67.Lx, 42.50.Pq
 
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