Author Affiliations +
Sergey V. Tsvetkov,1 Maxim M. Khudyakov,1,2 Alexey S. Lobanov,3 Denis S. Lipatov,3 Michael M. Bubnov,1 Valery Temyanko,4 Michael E. Likhachev1
1A. M. Prokhorov General Physics Institute (Russian Federation)
2Moscow Institute of Physics and Technology (Russian Federation)
3Institute of Chemistry of High-Purity Substances (Russian Federation)
4College of Optical Sciences, Univ. of Arizona (United States)