Guided-wave photodetectors in germanium on optical chips in silicon-on-insulatorV. Sorianello, M. Balbi, L. Colace, G. Assanto, L. Socci and M. RomagnoliJ. Eur. Opt. Soc.-Rapid Publ., 4 (2009) 09030DOI: https://doi.org/10.2971/jeos.2009.09030