1. Department of Mathematics, Physics
and Informatics, Institute of Experimental Physics, University of Gdańsk, Wita Stwosza 57, 80-952 Gdańsk,
Poland
2. Department of Optoelectronics & Electronic Systems, Faculty of Electronics, Telecommunication and Informatics, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
3. Faculty of Chemistry, University of Gdańsk, Sobieskiego 18/19, 80-952
Gdańsk, Poland