1. Institute of Applied Physics, Abbe Center of Photonics, Friedrich Schiller University Jena, 07745 Jena, Germany
2. Nonlinear Physics Center, Australian National University, Canberra, ACT 2601, Australia
3. Department of Physics and Engineering, ITMO University, St. Petersburg 197101, Russia
4. Laser Physics Centre, Australian National University, Canberra, ACT 2601, Australia
5. Fraunhofer Institute of Applied Optics and Precision Engineering, 07745 Jena, Germany