Matthias Widmann home of Coherence Times

Doctoral Dissertation

Own Publications & Presentations

Publications

  1. S.-Y. Lee, M. Widmann, J. Wrachtrup, et al., Readout and control of a single nuclear spin with a metastable electron spin ancilla., Nat. Nanotechnol. 8 (2013). (Lee et al., 2013)

  2. M. Widmann, S.-Y. Lee, J. Wrachtrup, et al., Coherent control of single spins in silicon carbide at ambient condition, Nat. Mater. (2015) 14 (Widmann et al., 2015)

  3. L.-P. Yang, C. Burk, M. Widmann, S.-Y. Lee, J. Wrachtrup, N. Zhao, Electron spin decoherence in silicon carbide nuclear spin bath, Phys. Rev. B. 90 (2014). (Yang et al., 2014)

  4. D. Uhland, T. Rendler, M. Widmann, S.-Y. Lee, J. Wrachtrup, I. Gerhardt, Single Molecule DNA Detection with an Atomic Vapor Notch Filter, EPJ Quantum Technology (2015). (Uhland et al., 2015)

  5. M. Niethammer, M. Widmann, S.-Y. Lee, P. Stenberg, O. Kordina, T. Ohshima, et al., Vector Magnetometry Using Silicon Vacancies in 4H4H-SiC Under Ambient Conditions, Phys. Rev. Appl. 6 (2016). (Niethammer et al., 2016)

  6. S.L. Portalupi, M. Widmann, C. Nawrath, M. Jetter, P. Michler, J. Wrachtrup, et al., Simultaneous Faraday filtering of the Mollow triplet sidebands with the Cs-D1 clock transition, Nat. Commun. 7 (2016). (Uhland et al., 2015)

  7. M. Radulaski & M. Widmann, M. Niethammer, J. Wrachtrup, et al., Scalable Quantum Photonics with Single Color Centers in Silicon Carbide, Nano Lett. 17 (2017) 2–6. (Radulaski et al., 2017)

  8. R. Nagy & M. Widmann, M. Niethammer, J. Wrachtrup, et al., Quantum Properties of Dichroic Silicon Vacancies in Silicon Carbide, Phys. Rev. Appl. 9 (2018) 034022. (Nagy et al., 2018b)

  9. M. Widmann, M. Niethammer, T. Makino, T. Rendler, S. Lasse, T. Ohshima, J. Ul Hassan., N. T. Son, S. Lee, J. Wrachtrup, Bright single photon sources in lateral silicon carbide light emitting diodes, Appl. Phys. Lett. 112 (2018) 231103. (Widmann et al., 2018a)

  10. M. Widmann, S.L. Portalupi, C. Nawrath, M. Jetter, P. Michler, J. Wrachtrup, et al., Faraday Filtering on the Cs-D1_1-Line for Quantum Hybrid Systems, Photonics Technology Letters (2018). (Widmann et al., 2018b)

  11. P. Konzelmann, T. Rendler, V. Bergholm, A. Zappe, V. Pfannenstill, F. Ziem, M. Niethammer, M. Widmann, S.-Y. Lee, P. Neumann, J. Wrachtrup, Robust and efficient control of spins in a complex (biological) environment, accepted in New Journal of Physics (2018). (Konzelmann et al., 2018)

  12. R. Nagy, M. Niethammer, M. Widmann, Y.C. Chen, P. Udvarhelyi, C. Bonato, J. U. Hassan, R. Karhu, I. G. Ivanov, N. T. Son, J. R. Maze, T. Ohshima, Ö. Soykal, Á. Gali, S.-Y. Lee, F. Kaiser, and J. Wrachtrup, High-fidelity spin and optical control of single silicon vacancy centres in silicon carbide, submitted (2018) xxxx.

  13. M. Niethammer, M. Widmann, T. Rendler, N. Morioka, Y.C. Chen, R. Stöhr, J. Ul Hassan., Shinobu Onoda, Takeshi Ohshima, S. Lee, A. Mukherjee, J. Isoya, N. T. Son, J. Wrachtrup, Coherent electrical readout of defect spins in 4H-SiC by photo-ionization at ambient conditions, Nature Communications. (2019) in review.

  14. M. Widmann, M. Niethammer, T. Makino, T. Rendler, T. Ohshima, J. Ul Hassan., N. T. Son, S. Lee, J. Wrachtrup, Electrical Charge State Control of silicon vacancies in SiC, ACS Nano Letters. (2019) accepted for publication.

Conference Presentations

2013 — DPG spring meeting of solid state physics in Regensburg, Germany

2013 — EPR symposium, Denver USA

2014 — DPG spring meeting of solid state physics in Dresden, Germany

2015 — DPG spring meeting of solid state physics in Berlin, Germany

2015 — Silicon Carbide Spintronics Symposium, Vadstena, Sweden

2015 — International Conference of Silicon Carbide and Related Materials, Italy

2015 — Nanoscale Quantum Optics - ESR Workshop Malta

2016 — DPG spring meeting of solid state physics in Regensburg, Germany

2016 — European Conference of Silicon Carbide and Related Materials, Greece

2016 — Silicon Carbide Symposium, Helmholtz-Zentrum Dresden, Germany

2017 — DPG spring meeting of solid state physics in Dresden, Germany

2017 — MRS spring meeting, Phoenix, USA

2018 — Hannover Fair, Integrated Quantum Science and Techology (IQST), Germany

Talks

2017 — NASA, Jet Propulsion Lab, Pasadena, California, USA

2017 — Stanford University, California, USA

2017 — Harvard University, Boston, USA

2018 — Oxford University, Oxford, UK

Awards

2017 — Best poster award, MRS spring meeting, Phoenix, USA

References

Konzelmann, P., Rendler, T., Bergholm, V., Zappe, A., Pfannenstill, V., Garsi, M., Ziem, F., Niethammer, M., Widmann, M., Lee, S. Y., Neumann, P., & Wrachtrup, J. (2018). Robust and efficient control of spin probes in a complex (biological) environment. towards sensing of fast temperature fluctuations. ArXiv:1808.04087.
Lee, S.-Y., Widmann, M., Rendler, T., Doherty, M. W., Babinec, T. M., Yang, S., Eyer, M., Siyushev, P., Hausmann, B. J. M., Loncar, M., Bodrog, Z., Gali, A., Manson, N. B., Fedder, H., & Wrachtrup, J. (2013). Readout and control of a single nuclear spin with a metastable electron spin ancilla. Nature Nanotechnology, 8(7), 487–492.
Nagy, R., Widmann, M., Niethammer, M., Dasari, D. B. R., Gerhardt, I., Soykal, Ö. O., Radulaski, M., Ohshima, T., Vučković, J., Son, N. T., Ivanov, I. G., Economou, S. E., Bonato, C., Lee, S.-Y., & Wrachtrup, J. (2018b). Quantum Properties of Dichroic Silicon Vacancies in Silicon Carbide. Phys. Rev. Applied, 9(3), 34022.
Niethammer, M., Widmann, M., Lee, S.-Y., Stenberg, P., Kordina, O., Ohshima, T., Son, N. T., Janzén, E., & Wrachtrup, J. (2016). Vector Magnetometry Using Silicon Vacancies in 4H-SiC Under Ambient Conditions. Physical Review Applied, 6(3), 034001. https://doi.org/10.1103/PhysRevApplied.6.034001
Radulaski, M., Widmann, M., Niethammer, M., Zhang, J. L., Lee, S.-Y., Rendler, T., Lagoudakis, K. G., Son, N. T., Janzen, E., Ohshima, T., Wrachtrup, J., & Vučković, J. (2017). Scalable Quantum Photonics with Single Color Centers in Silicon Carbide. Nano Letters, 17(3), 1782–1786.
Uhland, D., Rendler, T., Widmann, M., Lee, S.-Y., Wrachtrup, J., & Gerhardt, I. (2015). Single molecule dna detection with an atomic vapor notch filter. EPJ Quantum Technology, 2(1), 20.
Widmann, M., Lee, S.-Y., Rendler, T., Son, N. T., Fedder, H., Paik, S., Yang, L.-P., Zhao, N., Yang, S., Booker, I., Denisenko, A., Jamali, M., Momenzadeh, S. A., Gerhardt, I., Ohshima, T., Gali, A., Janzén, E., & Wrachtrup, J. (2015). Coherent control of single spins in silicon carbide at room temperature. Nature Materials, 14(February), 164–168. https://doi.org/10.1038/nmat4145
Widmann, M., Niethammer, M., Makino, T., Rendler, T., Lasse, S., Ohshima, T., Ul Hassan, J., Tien Son, N., Lee, S.-Y., & Wrachtrup, J. (2018a). Bright single photon sources in lateral silicon carbide light emitting diodes. Applied Physics Letters, 112, 231103.
Widmann, M., Portalupi, S. L., Michler, P., Wrachtrup, J., & Gerhardt, I. (2018b). Faraday Filtering on the Cs-D1-Line for Quantum Hybrid Systems. IEEE Photonics Technology Letters, 1–1.
Yang, L. P., Burk, C., Widmann, M., Lee, S. Y., Wrachtrup, J., & Zhao, N. (2014). Electron spin decoherence in silicon carbide nuclear spin bath. Physical Review B - Condensed Matter and Materials Physics, 90(24), 241203. https://doi.org/10.1103/PhysRevB.90.241203