Organizers Mikayel KhanbekyanInstitute for Physical Research, Ashtarak, Armeniam.khanbekyan@ipr.sci.am Stefan ScheelInstitute of Physics, University of Rostock, Germanystefan.scheel@uni-rostock.de Robert Löw5th Institute of Physics, University of Stuttgart, Germanyr.loew@physik.uni-stuttgart.de Dmitry BudkerJohannes Gutenberg University Mainz, Germanybudker@uni-mainz.de