Wei Fengjuan, Zhang Wei, Han Jintao, Wang Xianwang, Wu Yuehao, Zhang Peiqing, Dai Shixun, Nie Qiuhua. Transmission Characteristics and Structure Optimization of 60° Bent Chalcogenide Photonic Crystal Waveguides[J]. Chinese Journal of Lasers, 2015, 42(12): 1205001