Green and agile petabit optical sub-wavelength switching prototype for the future OTN multi-chassis switch cluster. - Bo Wu; Shaofeng Qiu; Zhiyong Feng; Shiyi Cao; Han Zhao; Junling Xiang; Chiwu Ding; Gordon Ning Liu; Ning Deng 007; Qianjin Xiong (OFC/NFOEC, 2013)