Evaluation of InGaAs/InP photodiode for high-speed operation at 4 KEivind Bardalen, Bjørnar Karlsen, Helge Malmbekk, Muhammed Nadeem Akram and Per OhlckersInt. J. Metrol. Qual. Eng., 9 (2018) 13DOI: https://doi.org/10.1051/ijmqe/2018015