1. Stuttgart
Research Center of Photonic Engineering (SCoPE) and Center for Integrated Quantum Science and Technology (IQST), Third Institute of Physics, University of Stuttgart, 70569 Stuttgart, Germany
2. Walter
Schottky Institut, Physik-Department, Technische Universität München, Am Coulombwall 3, 85748 Garching, Germany
3. Institute
for Solid State Physics and Optics, Wigner Research Centre for Physics, Hungarian Academy of Sciences, P.O. Box 49, H-1525 Budapest, Hungary
4. Department
of Atomic Physics, Budapest University of Technology and Economics, Budafoki út 8, H-1111 Budapest, Hungary
5. Swabian Instruments
GmbH, Frankenstr. 39, 71701 Schwieberdingen, Germany
6. Institute
for Experimental Physics II, Universität Leipzig, Linnéstraße
5, 04103 Leipzig, Germany
7. Catalan
Institute of Nanoscience and Nanotechnology (ICN2), CSIC and the Barcelona Institute of Science and Technology, Campus UAB, Bellaterra, 08193 Barcelona, Spain
8. ICREA, Pg. Lluís Companys 23, 08010 Barcelona, Spain
9. National Institute
for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
10. Research
Center for Knowledge Communities, University of Tsukuba, Tsukuba 305-8550, Japan
11. Laser
Physics Centre, Research School of Physics and Engineering, Australian National University, Australian Capital Territory 2601, Australia
12. Center for Physical
Sciences and Technology, Vilnius LT-10257, Lithuania
13. Max Planck Institute for Solid State Research, Heisenbergstraße 1, 70569 Stuttgart, Germany