Laser-free trapped-ion entangling gates with simultaneous insensitivity to qubit and motional decoherence
Abstract
The dominant error sources for state-of-the-art laser-free trapped-ion entangling gates are decoherence of the qubit state and the ion motion. The effect of these decoherence mechanisms can be suppressed with additional control fields or with techniques that have the disadvantage of reducing gate speed. In this study, we propose using a near-motional-frequency magnetic field gradient to implement a laser-free gate that is simultaneously resilient to both types of decoherence, does not require additional control fields, and has a relatively small cost in gate speed.
- Authors:
-
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- National Inst. of Standards and Technology (NIST), Boulder, CO (United States); Univ. of Colorado, Boulder, CO (United States)
- National Inst. of Standards and Technology (NIST), Boulder, CO (United States)
- National Inst. of Standards and Technology (NIST), Boulder, CO (United States); Univ. of Colorado, Boulder, CO (United States); Univ. of Oregon, Eugene, OR (United States)
- Publication Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1661040
- Report Number(s):
- LLNL-JRNL-792460
Journal ID: ISSN 2469-9926; 990776; TRN: US2203577
- Grant/Contract Number:
- AC52-07NA27344
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review A
- Additional Journal Information:
- Journal Volume: 101; Journal Issue: 4; Journal ID: ISSN 2469-9926
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; open quantum systems & decoherence; quantum computation; quantum gates; quantum information with trapped ions; trapped ions; atom & ion trapping & guiding; coherent control; first-principle calculations
Citation Formats
Sutherland, R. T., Srinivas, R., Burd, S. C., Knaack, H. M., Wilson, A. C., Wineland, D. J., Leibfried, D., Allcock, D. C., Slichter, D. H., and Libby, S. B. Laser-free trapped-ion entangling gates with simultaneous insensitivity to qubit and motional decoherence. United States: N. p., 2020.
Web. doi:10.1103/physreva.101.042334.
Sutherland, R. T., Srinivas, R., Burd, S. C., Knaack, H. M., Wilson, A. C., Wineland, D. J., Leibfried, D., Allcock, D. C., Slichter, D. H., & Libby, S. B. Laser-free trapped-ion entangling gates with simultaneous insensitivity to qubit and motional decoherence. United States. https://doi.org/10.1103/physreva.101.042334
Sutherland, R. T., Srinivas, R., Burd, S. C., Knaack, H. M., Wilson, A. C., Wineland, D. J., Leibfried, D., Allcock, D. C., Slichter, D. H., and Libby, S. B. Wed .
"Laser-free trapped-ion entangling gates with simultaneous insensitivity to qubit and motional decoherence". United States. https://doi.org/10.1103/physreva.101.042334. https://www.osti.gov/servlets/purl/1661040.
@article{osti_1661040,
title = {Laser-free trapped-ion entangling gates with simultaneous insensitivity to qubit and motional decoherence},
author = {Sutherland, R. T. and Srinivas, R. and Burd, S. C. and Knaack, H. M. and Wilson, A. C. and Wineland, D. J. and Leibfried, D. and Allcock, D. C. and Slichter, D. H. and Libby, S. B.},
abstractNote = {The dominant error sources for state-of-the-art laser-free trapped-ion entangling gates are decoherence of the qubit state and the ion motion. The effect of these decoherence mechanisms can be suppressed with additional control fields or with techniques that have the disadvantage of reducing gate speed. In this study, we propose using a near-motional-frequency magnetic field gradient to implement a laser-free gate that is simultaneously resilient to both types of decoherence, does not require additional control fields, and has a relatively small cost in gate speed.},
doi = {10.1103/physreva.101.042334},
journal = {Physical Review A},
number = 4,
volume = 101,
place = {United States},
year = {Wed Apr 29 00:00:00 EDT 2020},
month = {Wed Apr 29 00:00:00 EDT 2020}
}
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