LI Zhong-yu, ZHANG Ling-xuan, ZENG Chao, DU Shu-jian, GE Zhi-qiang, XIE Peng, ZHANG Qi-hao, WANG Guo-xi, SUN Xiao-chen, MI Lei, ZHANG Wen-fu. Ultra-wide Two-dimensional Beam Steering by Silicon Integrated Optical Phased Array[J]. Acta Photonica Sinica, 2018, 47(9): 913003