Characterization of Electro-Optical Devices with Low Jitter Single Photon Detectors - Towards an Optical Sampling Oscilloscope Beyond 100 GHz. - Helmut Fedder; Steffen Oesterwind; Markus Wick; Fabian Olbrich; Peter Michler; Thomas Veigel; Manfred Berroth; Michael Schlagmuller (ECOC, 2018)