High performance DP-QPSK receiver module incorporating InP-based integrated coherent detection chip. - Yongbo Tang; Fang Wu; Yury Logvin; Jiangqing Lei; Guolin Liu; Ke Luo; Chris Watson; Kirill Pimenov; Yingying Bai; Denis Masson; Valery I. Tolstikhin; Hong Xie; et al. (OFC, 2015)