1. Department
of Physics, AlbaNova University Center, Stockholm University, Roslagstullsbacken 21, 109 61 Stockholm, Sweden
2. Lehrstuhl für
BioMolekulare Optik, Ludwig-Maximilians-Universität, Oettingenstraße 67, 80538 München, Germany
3. National Research Council of Canada, 100 Sussex Drive, Ottawa K1A 0R6, Canada
4. State
Key Laboratory of Molecular Reaction Dynamics, Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, P. R. China
5. Synergetic Innovation Center of Quantum Information & Quantum Physics, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
6. Department
of Physics and Astronomy, Uppsala University, Box 516, 751 20 Uppsala, Sweden