A low insertion loss and low Vπ InP IQ modulator for advanced modulation formats. - Efthymios Rouvalis; Christiene Metzger; Andre Charpentier; Tim Ayling; Steffen Schmid; Marko Gruner; Detlef Hoffmann; Michael Hamacher; Gerrit Fiol; Martin Schell (ECOC, 2014)