Phys. Rev. A 80, 030302(R) (2009) [4 pages]

Ultrahigh-fidelity qubits for quantum computing

Abstract

References

Citing Articles (3)

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Mark G. Raizen^1,2,*, Shou-Pu Wan^1,2, Chuanwei Zhang³, and Qian Niu²
¹Center for Nonlinear Dynamics, The University of Texas at Austin, Austin, Texas 78712, USA
²Department of Physics, The University of Texas at Austin, Austin, Texas 78712, USA
³Department of Physics and Astronomy, Washington State University, Pullman, Washington 99164, USA

Received 9 June 2009; revised 21 July 2009; published 28 September 2009

We analyze a system of fermionic ⁶Li atoms in an optical trap and show that an atom “on demand” can be prepared with ultrahigh fidelity, exceeding 0.999 98. This process can be scaled to many sites in parallel, providing a realistic method to initialize N qubits at ultrahigh fidelity for quantum computing. We also show how efficient quantum gate operation can be implemented in this system and how spatially resolved single-atom detection can be performed.

URL:

http://link.aps.org/doi/10.1103/PhysRevA.80.030302

DOI:

10.1103/PhysRevA.80.030302

PACS:

03.67.Lx, 42.50.Dv, 42.50.Ex

^*raizen@physics.utexas.edu

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Phys. Rev. A 80, 030302(R) (2009) [4 pages]

Ultrahigh-fidelity qubits for quantum computing