This work has been supported by the National Natural Science Foundation of China (No.61274121), the Natural Scienee.Foundation of Jiangsu Province (No.BK2012829), and the Scientific Research Foundation of Nanjing University of Posts and Telecommunications p/qo.NY212007).
A novel chromatic dispersion (CD) monitoring technique based on asynchronous amplitude histogram (AAH) for higher order modulation formats is proposed in this paper. Without demodulating the signal, in the monitor...