SiGe Based Visible-NIR Photodetector Technology for Optoelectronic Applications. By Ashok K. Sood, John W. Zeller, Robert A. Richwine, Yash R. Puri, Harry ... http://www.intechopen.com/books/advances-in-optical-fiber-technology-fundamental-optical-phenomena-and-applications/sige-based-visible-nir-photodetector-technology-for-optoelectronic-applications
