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PTB BraunschweigLeibniz Universität Hannover
Name:Prof. Dr. Piet O. Schmidt
Address:Bundesallee 100
38116 Braunschweig

Welfengarten 1
30167 Hannover



Scientific CV

Scientific Education

10/1991 - 8/1994undergraduate studies in physics at the University of Konstanz, Germany
9/1994 - 8/1995graduate studies at the Portland State University in Portland, Oregon, USA
12.8.1995Master of Science in Physics at the Portland State University
Thesis title: "Origins of Effective Charge of Multivalent Ions at a Membrane/Water Interface and Distribution of 2,3,4,5--Tetrachlorophenol in a Membrane Model System"
10/1995 - 4/1998graduate studies at the University of Konstanz,
Diploma thesis "Light Masks in Atom Lithography" in the group of Prof. J. Mlynek
8/1998 - 12/2000PhD studies at the University of Konstanz in the group of Prof. J. Mlynek
1/2001 - 3/2003project moved with Prof. T. Pfau to University of Stuttgart, Germany
thesis title: "Scattering Properties of Ultra-cold Chromium Atoms"

Scientific Career

4/2004 - 2/2005

PostDoc at NIST in Boulder, Colorado, USA
in the group of Dr. J.C. Bergquist and Dr. D.J. Wineland as a Feodor-Lynen Fellow of the Alexander von Humboldt foundation
Project: An optical clock based on a single aluminum ion using quantum logic

3/2005 - 12/2008 University assistant at University of Innsbruck in the group of Prof. R. Blatt
9/2006 Started an independend research group: "Direct Frequency Comb Spectroscopy using Quantum Logic"

W3 Professor at the University of Hannover and director of the QUEST Institute for Experimental Quantum Metrology at the PTB in Braunschweig

Stipends, Awards, Memberships

08/1999 - 04/2002PhD stipend from the Studienstiftung des deutschen Volkes
07/2004Best thesis award from the "Freunde der Universität Stuttgart" association
11/2003 – 02/2005Feodor-Lynen research fellowship of the Alexander v. Humboldt Foundation
6/2006 START research award of the Austrian Ministry of Education, Science and Arts
4/2010European Time and Frequency Forum (EFTF) Young Scientist Award 2010
since 07/2014Member of the board of the CRC 1128 geo-Q
since 07/2016Speaker of the CRC 1227 DQ-mat
since 2017Member of the board of QUEST Leibniz Forschungsschule (QUEST-LFS)
since 2017Member of the board of Hannover Institute of Technology (HITec)

Selected Refereed Publications

  1. F. Wolf, Y. Wan, J. C. Heip, F. Gebert, C. Shi, and P. O. Schmidt, Non-destructive state detection for quantum logic spectroscopy of molecular ionsNature 530, 457–460 (2016).
  2. M. Schulte, N. Lörch, I. D. Leroux, P. O. Schmidt, and K. Hammerer, Quantum Algorithmic Readout in Multi-Ion ClocksPhys. Rev. Lett. 116, 13002 (2016).
  3. L. Schmöger, O. O. Versolato, M. Schwarz, M. Kohnen, A. Windberger, B. Piest, S. Feuchtenbeiner, J. Pedregosa-Gutierrez, T. Leopold, P. Micke, A. K. Hansen, T. M. Baumann, M. Drewsen, J. Ullrich, P. O. Schmidt, and J. R. C. López-Urrutia, Coulomb crystallization of highly charged ionsScience 347, 1233–1236 (2015).
  4. N. Scharnhorst, J. B. Wübbena, S. Hannig, K. Jakobsen, J. Kramer, I. D. Leroux, and P. O. Schmidt, High-bandwidth transfer of phase stability through a fiber frequency combOpt. Express 23, 19771–19776 (2015).
  5. F. Gebert, Y. Wan, F. Wolf, C. N. Angstmann, J. C. Berengut, and P. O. Schmidt, Precision Isotope Shift Measurements in Calcium Ions Using Quantum Logic Detection SchemesPhys. Rev. Lett. 115, 53003 (2015).
  6. A. D. Ludlow, M. M. Boyd, J. Ye, E. Peik, and P. O. Schmidt, Optical atomic clocksRev. Mod. Phys. 87, 637–701 (2015).
  7. Y. Wan, F. Gebert, J. B. Wübbena, N. Scharnhorst, S. Amairi, I. D. Leroux, B. Hemmerling, N. Lörch, K. Hammerer, and P. O. Schmidt, Precision spectroscopy by photon-recoil signal amplificationNat. Commun. 5, 4096 (2014).
  8. F. Dubin, C. Russo, H. G. Barros, A. Stute, C. Becher, P. O. Schmidt, and R. Blatt, Quantum to classical transition in a single-ion laserNat. Phys. 6, 350–353 (2010).
  9. T. Rosenband, D. B. Hume, P. O. Schmidt, C. W. Chou, A. Brusch, L. Lorini, W. H. Oskay, R. E. Drullinger, T. M. Fortier, J. E. Stalnaker, S. A. Diddams, W. C. Swann, N. R. Newbury, W. M. Itano, D. J. Wineland, and J. C. Bergquist, Frequency Ratio of Al+ and Hg+ Single-Ion Optical Clocks; Metrology at the 17th Decimal PlaceScience 319, 1808–1812 (2008).
  10. P. O. Schmidt, T. Rosenband, C. Langer, W. M. Itano, J. C. Bergquist, and D. J. Wineland, Spectroscopy Using Quantum LogicScience 309, 749–752 (2005).


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