Experimental Concatenation of Quantum Error Correction with Decoupling

  • Authors:

  • N. Boulant;M. A. Pravia;E. M. Fortunato;T. F. Havel;D. G. Cory

  • Affiliations:

  • Department of Nuclear Engineering, MIT, Cambridge, Massachusetts;Department of Nuclear Engineering, MIT, Cambridge, Massachusetts;Department of Nuclear Engineering, MIT, Cambridge, Massachusetts;Department of Nuclear Engineering, MIT, Cambridge, Massachusetts;Department of Nuclear Engineering, MIT, Cambridge, Massachusetts. E-mail: dcory@mit.edu

  • Venue:
  • Quantum Information Processing
  • Year:
  • 2002

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Abstract

We experimentally explore the reduction of decoherence via concatenating quantum error correction (QEC) with decoupling in liquid-state NMR quantum information processing. Decoupling provides an efficient means of suppressing decoherence from noise sources with long correlation times, and then QEC can be used more profitably for the remaining noise sources.PACS: 03.67.Lx, 03.65.Bz