[1] [1] Chung Youngchul,Dagli N.An assessment of finite difference beam propagation method.IEEE J Quantum Electron,1990,26(8):1335～1338

[2] [2] Scarmozzino R,Osgood R M.Comparison of finite-difference and Friour-transform solutions of the parabolic wave equation with emphasis on integrated-opitics applications.J Opt Soc Am,1991,8(5):724～731

[3] [3] Scarmozzino R,Gopinath A,Pregla R,Helfert S.Numerical techniques for modeling guided-wave photonic devices.IEEE J Selected Topics in Quantum Electon,2000,6(1):150～162

[4] [4] Yevick D,Yu Jun,Yayon Y.Optimal absorbing boundary conditions.J Opt Soc Am(A),1995,12(1):107～110

[5] [5] Hadley G R.Transparent boundary condition for beam propagation.Opt Lett,1991,16(9):624～626

[6] [6] Hadley G R.Transparent boundary condition for beam propagation.IEEE J Quantum Electron,1992,28(1):363～370