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Room temperature coherent control of defect spin qubits in silicon carbide

Author

Listed:
  • William F. Koehl

    (Center for Spintronics and Quantum Computation, University of California)

  • Bob B. Buckley

    (Center for Spintronics and Quantum Computation, University of California)

  • F. Joseph Heremans

    (Center for Spintronics and Quantum Computation, University of California)

  • Greg Calusine

    (Center for Spintronics and Quantum Computation, University of California)

  • David D. Awschalom

    (Center for Spintronics and Quantum Computation, University of California)

Abstract

The search for electron spin qubits A point defect in diamond known as the nitrogen-vacancy (N-V) centre has generated a great deal of interest because it has a highly localized electronic spin state with quantum properties that can be easily accessed at room temperature. The search is on for similar defects in other semiconductors that are easier to grow and process into devices than diamond, or that offer alternative functionalities. Here Koehl et al. describe a new range of defect spin states in silicon carbide that can be optically addressed in the telecommunications wavelength range and coherently controlled up to room temperature. Their spin coherence properties are comparable to those of the diamond N-V centre, and silicon carbide is a material for which extensive microfabrication processes already exist in the semiconductor industry. These materials are therefore promising candidates for photonic, spintronic and quantum information applications.

Suggested Citation

  • William F. Koehl & Bob B. Buckley & F. Joseph Heremans & Greg Calusine & David D. Awschalom, 2011. "Room temperature coherent control of defect spin qubits in silicon carbide," Nature, Nature, vol. 479(7371), pages 84-87, November.
    • Handle: RePEc:nat:nature:v:479:y:2011:i:7371:d:10.1038_nature10562
    DOI: 10.1038/nature10562
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    Cited by:

    1. Ruotian Gong & Xinyi Du & Eli Janzen & Vincent Liu & Zhongyuan Liu & Guanghui He & Bingtian Ye & Tongcang Li & Norman Y. Yao & James H. Edgar & Erik A. Henriksen & Chong Zu, 2024. "Isotope engineering for spin defects in van der Waals materials," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    2. Mengqi Huang & Jingcheng Zhou & Di Chen & Hanyi Lu & Nathan J. McLaughlin & Senlei Li & Mohammed Alghamdi & Dziga Djugba & Jing Shi & Hailong Wang & Chunhui Rita Du, 2022. "Wide field imaging of van der Waals ferromagnet Fe3GeTe2 by spin defects in hexagonal boron nitride," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    3. Cunzhi Zhang & Francois Gygi & Giulia Galli, 2023. "Engineering the formation of spin-defects from first principles," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    4. Zhe Cheng & Jianbo Liang & Keisuke Kawamura & Hao Zhou & Hidetoshi Asamura & Hiroki Uratani & Janak Tiwari & Samuel Graham & Yutaka Ohno & Yasuyoshi Nagai & Tianli Feng & Naoteru Shigekawa & David G. , 2022. "High thermal conductivity in wafer-scale cubic silicon carbide crystals," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    5. Hanfeng Wang & Matthew E. Trusheim & Laura Kim & Hamza Raniwala & Dirk R. Englund, 2023. "Field programmable spin arrays for scalable quantum repeaters," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    6. J. M. Kitzman & J. R. Lane & C. Undershute & P. M. Harrington & N. R. Beysengulov & C. A. Mikolas & K. W. Murch & J. Pollanen, 2023. "Phononic bath engineering of a superconducting qubit," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    7. Elizabeth M. Y. Lee & Alvin Yu & Juan J. de Pablo & Giulia Galli, 2021. "Stability and molecular pathways to the formation of spin defects in silicon carbide," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    8. Ruotian Gong & Guanghui He & Xingyu Gao & Peng Ju & Zhongyuan Liu & Bingtian Ye & Erik A. Henriksen & Tongcang Li & Chong Zu, 2023. "Coherent dynamics of strongly interacting electronic spin defects in hexagonal boron nitride," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    9. Łukasz Dusanowski & Cornelius Nawrath & Simone L. Portalupi & Michael Jetter & Tobias Huber & Sebastian Klembt & Peter Michler & Sven Höfling, 2022. "Optical charge injection and coherent control of a quantum-dot spin-qubit emitting at telecom wavelengths," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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