Narrow optical filtering tolerance of 127-Gb/s DP-QPSK utilizing real-time DSP with 20 cascaded 50-GHz filters in the presence of 40, 200-ps/nm chromatic dispersion. - Suhas Bhandare; Zhenxing Wang; Kyu Kim; Mark Colyar; Heider Ereifej (OFC/NFOEC, 2013)

400Gb/s single carrier transmission with integrated coherent optics. - Noriaki Kaneda; Heider Ereifej; Efthymios Rouvalis; Jeffrey Lee (OFC, 2016)