1. Department of Nanophotonics and Metamaterials; ITMO University; St. Petersburg 197101 Russia
2. Nonlinear Physics Center; Australian National University; Canberra ACT 0200 Australia
3. Ioffe Physical-Technical Institute of the Russian Academy of Sciences; St. Petersburg 194021 Russia
4. Department of Radiotherapy; University Medical Center Utrecht; P.O. Box 85500 3508 GA Utrecht The Netherlands
5. Institute of Experimental Medicine; Russian Academy of Medical Sciences; St. Petersburg 197376 Russia