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Jan Berend Meijer is a German physicist and university professor. Since 2013, he has served as professor at Leipzig University, where he heads the Applied Quantum Systems department at the Felix Bloch Institute for Solid State Physics.[1]
Education and career
editMeijer received his Ph.D. degree in physics in 1997 from the University of Münster.[2] From 1997 to 2004, he worked as a senior scientist at Ruhr University Bochum.[2] From 2004 to 2012, he served as managing director of the Central Unit for Ion Beams and Radionuclides (RUBION) at Ruhr University Bochum.[2][3] In 2013, Meijer joined Leipzig University, where his research has focused on applied quantum systems and quantum technologies.[1] In 2021, he co-founded SaxonQ, a Leipzig-based quantum computing company developing room-temperature quantum computers based on nitrogen-vacancy centers in diamond.[4]
Research
editMeijer's research focuses on the investigation and modification of surfaces and solids at the atomic scale using ion beams. His work includes the implantation of ions with kinetic energies ranging from a few kiloelectronvolts to several megaelectronvolts into solids with nanometre precision.[5] A central topic of his research is deterministic single-ion implantation, which aims at the precise positioning of individual foreign atoms in solids for applications in quantum technologies.[6] This work is carried out in cooperation with the Leibniz Institute of Surface Engineering in the Leibniz Joint Lab “Single Ion Implantation”.[6][7] Meijer and his research group have contributed to the controlled generation of nitrogen-vacancy centers in diamond. These color centers are considered promising systems for quantum sensing and quantum computing. In 2019, Meijer and colleagues published a method in Nature Communications for producing such color centers with a yield of around 75 percent.[8] In a public demonstration, the researchers used a red diamond produced in this way as a highly sensitive magnetic sensor to detect the electromagnetic signals of an electric guitar.[9] The long-term aim of the Applied Quantum Systems group is the integration of a color-center-based coprocessor on a chip with a classical computer. This work is supported by collaborative projects including BMBF CoGeQ and the EU project Mastro.[10]
Publications and scientific output
editSelected publications include:
- J. Meijer, B. Burchard, M. Domhan, C. Wittmann, T. Gaebel, I. Popa, F. Jelezko, J. Wrachtrup: Generation of single color centers by focused nitrogen implantation. In: Applied Physics Letters. 87, 2005. doi:10.1063/1.2140073.
- T. Gaebel, M. Domhan, I. Popa, C. Wittmann, P. Neumann, F. Jelezko, J. Wrachtrup, J. Meijer: Room-temperature coherent coupling of single spins in diamond. In: Nature Physics. 2, 2006, pp. 408–413.
- S. Pezzagna, B. Naydenov, F. Jelezko, J. Wrachtrup, J. Meijer: Creation efficiency of nitrogen-vacancy centres in diamond. In: New Journal of Physics. 12, 2010. doi:10.1088/1367-2630/12/6/065017.
- S. Pezzagna, J. Meijer: Quantum computer based on color centers in diamond. In: Applied Physics Reviews. 8, 2021. doi:10.1063/5.0036564.
- T. Lühmann, R. John, R. Wunderlich, J. Meijer, S. Pezzagna: Coulomb-driven single defect engineering for scalable qubits and spin sensors in diamond. In: Nature Communications. 10, 2019, 4956. doi:10.1038/s41467-019-12556-0.
References
edit- 1 2 "Prof. Dr. Jan Berend Meijer". Leipzig University. Retrieved 10 June 2026.
- 1 2 3 Lühmann, T.; Meijer, J.; Pezzagna, S. (2021). "Charge-Assisted Engineering of Color Centers in Diamond". physica status solidi (a). 218: 2000614. doi:10.1002/pssa.202000614.
{{cite journal}}: CS1 maint: article number as page number (link) - ↑ "Ruhr-Universität Bochum Central Unit for Ionbeams and Radionuclides (RUBION) – PD Dr. Jan Meijer". IVAM Microtechnology Network. Retrieved 10 June 2026.
- ↑ "Millions invested in scalable quantum computing from Saxony". Business Saxony. Retrieved 10 June 2026.
- ↑ "Applied Quantum Systems – Jan Meijer". Leipzig University. Retrieved 10 June 2026.
- 1 2 "Development of deterministic ion implantation for applications in quantum technology". Leibniz Institute of Surface Engineering. Retrieved 10 June 2026.
- ↑ "Leibniz Joint Lab "Single Ion Implantation"". Leipzig University. Retrieved 10 June 2026.
- ↑ Lühmann, T.; John, R.; Wunderlich, R.; Meijer, J.; Pezzagna, S. (2019). "Coulomb-driven single defect engineering for scalable qubits and spin sensors in diamond". Nature Communications. 10: 4956. doi:10.1038/s41467-019-12556-0.
- ↑ "A Very Special Red Diamond". Leipzig University. 1 November 2019. Retrieved 10 June 2026.
- ↑ "Quantum Computer". Leipzig University. Retrieved 10 June 2026.