1. Chemistry Department, Swansea University, Singleton Park, Swansea SA2 8PP, United Kingdom
2. Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
3. Institute of Physics, University of Rostock, Albert-Einstein-Strasse 23, 18059 Rostock, Germany
4. Pidstryhach Institute for Applied Problems of Mechanics and Mathematics, National Academy of Sciences of Ukraine, 79060 Lviv, Ukraine
5. Department of Photonics, Lviv Polytechnic National University, 79000 Lviv, Ukraine
6. Department “Life, Light & Matter”, University of Rostock, Albert-Einstein-Strasse 25, 18059 Rostock, Germany