Matthias Widmann home of Coherence Times

Research · Publications

Publications

Peer-reviewed work on silicon-carbide spin defects, single-photon sources, and quantum sensing, newest first. Each entry links to its canonical DOI or arXiv record.

  1. High-fidelity spin and optical control of single silicon-vacancy centres in silicon carbide

    R. Nagy, M. Niethammer, M. Widmann, Y.-C. Chen, P. Udvarhelyi, C. Bonato, J. Ul Hassan, R. Karhu, I. G. Ivanov, N. T. Son, J. R. Maze, T. Ohshima, Ö. O. Soykal, Á. Gali, S.-Y. Lee, F. Kaiser, J. Wrachtrup

    Nature Communications 10, 1954 (2019) DOI

  2. Coherent electrical readout of defect spins in silicon carbide by photo-ionization at ambient conditions

    M. Niethammer, M. Widmann, T. Rendler, N. Morioka, Y.-C. Chen, R. Stöhr, J. Ul Hassan, S. Onoda, T. Ohshima, S.-Y. Lee, A. Mukherjee, J. Isoya, N. T. Son, J. Wrachtrup

    Nature Communications 10, 5569 (2019) DOI

  3. Electrical Charge State Manipulation of Single Silicon Vacancies in a Silicon Carbide Quantum Optoelectronic Device

    M. Widmann, M. Niethammer, T. Makino, T. Rendler, S. Lasse, T. Ohshima, J. Ul Hassan, N. T. Son, S.-Y. Lee, J. Wrachtrup

    Nano Letters 19, 7173–7180 (2019) DOI

  4. Robust and efficient quantum optimal control of spin probes in a complex (biological) environment. Towards sensing of fast temperature fluctuations

    P. Konzelmann, T. Rendler, V. Bergholm, A. Zappe, V. Pfannenstill, M. Garsi, F. Ziem, M. Niethammer, M. Widmann, S.-Y. Lee, P. Neumann, J. Wrachtrup

    New Journal of Physics 20, 123013 (2018) DOI

  5. Quantum Properties of Dichroic Silicon Vacancies in Silicon Carbide

    R. Nagy*, M. Widmann*, M. Niethammer, D. B. R. Dasari, I. Gerhardt, Ö. O. Soykal, M. Radulaski, T. Ohshima, J. Vučković, N. T. Son, I. G. Ivanov, S. E. Economou, C. Bonato, S.-Y. Lee, J. Wrachtrup

    Physical Review Applied 9, 034022 (2018) DOI

  6. Bright single photon sources in lateral silicon carbide light emitting diodes

    M. Widmann, M. Niethammer, T. Makino, T. Rendler, S. Lasse, T. Ohshima, J. Ul Hassan, N. T. Son, S.-Y. Lee, J. Wrachtrup

    Applied Physics Letters 112, 231103 (2018) DOI

  7. Faraday Filtering on the Cs-D1-Line for Quantum Hybrid Systems

    M. Widmann, S. L. Portalupi, C. Nawrath, M. Jetter, P. Michler, J. Wrachtrup, I. Gerhardt

    IEEE Photonics Technology Letters 30, 2083–2086 (2018) DOI

  8. Scalable Quantum Photonics with Single Color Centers in Silicon Carbide

    M. Radulaski*, M. Widmann*, M. Niethammer, J. L. Zhang, S.-Y. Lee, T. Rendler, K. G. Lagoudakis, N. T. Son, E. Janzén, T. Ohshima, J. Wrachtrup, J. Vučković

    Nano Letters 17, 1782–1786 (2017) DOI

  9. Vector Magnetometry Using Silicon Vacancies in 4H-SiC Under Ambient Conditions

    M. Niethammer, M. Widmann, S.-Y. Lee, P. Stenberg, O. Kordina, T. Ohshima, N. T. Son, E. Janzén, J. Wrachtrup

    Physical Review Applied 6, 034001 (2016) DOI

  10. Simultaneous Faraday filtering of the Mollow triplet sidebands with the Cs-D1 clock transition

    S. L. Portalupi, M. Widmann, C. Nawrath, M. Jetter, P. Michler, J. Wrachtrup, I. Gerhardt

    Nature Communications 7, 13632 (2016) DOI

  11. Single molecule DNA detection with an atomic vapor notch filter

    D. Uhland, T. Rendler, M. Widmann, S.-Y. Lee, J. Wrachtrup, I. Gerhardt

    EPJ Quantum Technology 2, 20 (2015) DOI

  12. Coherent control of single spins in silicon carbide at room temperature

    M. Widmann, S.-Y. Lee, T. Rendler, N. T. Son, H. Fedder, S. Paik, L.-P. Yang, N. Zhao, S. Yang, I. Booker, A. Denisenko, M. Jamali, S. A. Momenzadeh, I. Gerhardt, T. Ohshima, A. Gali, E. Janzén, J. Wrachtrup

    Nature Materials 14, 164–168 (2015) DOI

  13. Electron spin decoherence in silicon carbide nuclear spin bath

    L.-P. Yang, C. Burk, M. Widmann, S.-Y. Lee, J. Wrachtrup, N. Zhao

    Physical Review B 90, 241203 (2014) DOI

  14. Readout and control of a single nuclear spin with a metastable electron spin ancilla

    S.-Y. Lee, M. Widmann, T. Rendler, M. W. Doherty, I. Booker, F. Reinhard, J. Wrachtrup

    Nature Nanotechnology 8, 487–492 (2013) DOI

* shared first authorship