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Preserving quantum coherence using optimized open-loop control techniques

Published

Author(s)

Michael J. Biercuk, Hermann Uys, Aaron Vandevender, Nobuyasu Shiga, Wayne M. Itano, John J. Bollinger

Abstract

We describe experimental and theoretical studies of open-loop quantum control techniques known as dynamical decoupling (DD) for the suppression of decoherence-induced errors in quantum systems. Our experiments on trapped atomic ion qubits demonstrate that it is possible to optimize the construction of DD sequences for a given noise power spectral density. Studies of novel sequences derived analytically or through numerical optimization -- while maintaining fixed control resources -- demonstrate large gains in our ability to preserve quantum coherence in arbitrary noise.
Proceedings Title
Proc. 2010 Conf. Lasers and Electro-Optics
Conference Dates
May 16-21, 2010
Conference Location
San Jose, CO
Pub Type
Conferences

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Keywords

dynamical decoupling, quantum control, quantum information, trapped ions
Physics

Citation

Biercuk, M. , Uys, H. , Vandevender, A. , Shiga, N. , Itano, W. and Bollinger, J. (2010), Preserving quantum coherence using optimized open-loop control techniques, Proc. 2010 Conf. Lasers and Electro-Optics, San Jose, CO, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=903760 (Accessed November 21, 2024)

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Created May 16, 2010, Updated February 19, 2017