| 02.1999-10.2002 | Research assistant, Physics department at the University of Bristol (United Kingdom) |
| 03.2002 | Graduation to Doctor (Ph.D.) in Physics at the University of Bristol (United Kingdom) |
| 2002-2003 | Research associate, Physics department at the University of Bremen (Germany) |
| 2003-2005 | Research associate, Physics department at the University of Stuttgart (Germany) |
| 2005-2007 | Research associate at the MPI for Solid-State-Research in Stuttgart (Germany) |
| 2007-2010 | Head of optical spectroscopy laboratory at the IIN-IFW, Dresden (Germany) |
| 2010- | Academic staff "Head of Group", Physics, University of Kassel, (Germany) |
