Wagner, C. [P:(DE-Juel1)VDB82898] ; Kasemann, D. [P:(DE-HGF)0] ; Golnik, C. [P:(DE-HGF)0] ; Forker, R. [P:(DE-HGF)0] ; Esselinger, M. [P:(DE-HGF)0] ; Müllen, K. [P:(DE-HGF)0] ; Fritz, T. [P:(DE-HGF)0]