Yu Mao Wu, Xin Lou, Ya-Qiu Jin, Zhaoguo Hou, Lizhi Xiao, Ning Zou, Hai Jing Zhou & Yang Liu. (2020). An Efficient Method for Estimating the Electromagnetic Wave Propagation in Three Dimensional Optical Waveguide Structures. Communications in Computational Physics. 28 (2). 661-678. doi:10.4208/cicp.OA-2018-0088