Green and agile petabit optical sub-wavelength switching prototype for the future OTN multi-chassis switch cluster. - Wu, Bo; Qiu, Shaofeng; Feng, Zhiyong; Cao, Shiyi; Zhao, Han; Xiang, Junling; Ding, Chiwu; Liu, Gordon Ning; Deng, Ning; Xiong, Qianjin (2013)