Compact hybrid-integrated 400 Gbit/s WDM receiver for short-reach optical interconnect in datacenters. - Carlo Ferrari; Cristian A. Bolle; Mark Cappuzzo; R. Keller; Fred Klemens; Yee L. Low; Nagesh Basavanhally; A. R. Papazian; Flavio Pardo; Mark P. Earnshaw (ECOC, 2014)