Author Affiliations +
Vitaly N. Krylov,1 Aleksander Rebane,2 Urs Paul Wild,2 Daniel Erni,2 Olavi Ollikainen,3 Victor G. Bespalov,1 Dmitry I. Staselko1
1S.I. Vavilov State Optical Institute (Russia)
2Swiss Federal Institute of Technology (Switzerland)
3Institute of Physics (Estonia)