Qiao Yaojun, received Ph. D. Degree from Beijing University of Posts & Telecommunications in 2000. His research interests cover some key technologies on high-speed parallel optical inter-connection and long-haul optical transmission. Gu Rentao, Ph.D candidate of Beijing University of Posts & Telecommunications. His research interests are primarily in the areas of high-speed parallel optical interconnection and optical networks. Ji Yuefeng, Ph. D., graduated from Beijing University of Posts & Telecommunications. He is currently professor and director of Optical lntemet Laboratory (OILab), executive dean of the Institute of Optical Communication and Information Optoeletronics of BUPT, the vice president of the academic committee of Key Laboratory of IPOC of MOE, P. R. China, etc.. His research interests are primarily in the areas of broadband optical networks and modem telecom.