Coherent receiver photonic integrated circuits. - Martin Schell; Heinz-Gunter Bach; Klemens Janiak; Norbert Keil; Martin Möhrle; Patrick Runge; Ziyang Zhang (OFC/NFOEC, 2013)

80GHz balanced photodetector chip for next generation optical networks. - Patrick Runge; Gan Zhou; Angela Seeger; Klemens Janiak; Jens Stephan; Efthymios Rouvalis; Dirk Trommer (OFC, 2014)

CL-TWE Mach-Zehnder modulators on InP: Central elements in transmitter PICs of increasing complexity. - Ronald Kaiser; Sophie Lange; Marko Rausch; Braulio Gomez Saavedra; Marko Gruner; Gerrit Fiol; Klemens Janiak; Alessandro Aimone; Karl-Otto Velthaus; Jung Han Choi; Martin Schell (ICTON, 2017)