WANG Jing-jing, OUYANG Zheng-biao, WEN Guo-hua, HUANG Hao, LIN Mi, WANG Qiong. 2D Square-lattice Photonic Crystal Based on Circular-ring Cylinders and Thin Cross Plates Suitable for Optical Integrated Circuits[J]. Acta Photonica Sinica, 2015, 44(4): 423002