[1] [1] Van Roey J,Donk J V D,Lagasse P E. Beam propagation method: analysis and assessment.J Opt Soc Am, 1981,71(7):803～810

[2] [2] Huang W P,Xu C L,Chu S T,et al.The finite-difference vector beam propagation method: analysis and assessment.IEEE J Lightwave Tech, 1992,10(3):295～305

[3] [3] Chu S T,Chaudhuri S K. A finite-difference time-domain method for the design and analysis of guided-wave optical structures.IEEE J Lightwave Tech, 1989,7(12): 2033～2038

[4] [4] Huang W P,Chu S T,Goss A,et al.A scalar finite-difference time-domain approach to guided-wave optics.IEEE Photonics Tech Lett, 1991,3(6): 524～526

[5] [5] Yee K S. Numerical solution of initial boundary value problems involving Maxwell′s equations in isotropic media.IEEE Trans AP, 1966,14(3):302～307

[6] [6] Telfove A.Computional Electrodynamics: The finite-difference time-domain method, Norwood, MA:Artech House, 1995

[7] [7] Berenger J P. A perfectly match layer for the absorption of electromagnetic waves.Journal of Computational Physics,1994,114(2):185～200

[8] [8] Katz D S,Thiele E T,Taflove A. Validation and extention to three dimensions of the Berenger PML absorbing boundary condition for FD-TD meshs.IEEE Microwave and Guided Wave Letters,1994,4(8):268～270

[9] [9] Berenger J P. Three dimensional perfectly match layer for the absorption of electriomagnetic waves.Journal of Computational Physics,1996,127(2):363～379

[10] [10] Gedney S D. An anisotropic perfectly matched layer-absorbing medium for truncation of FDTD lattices.IEEE Trans Antennas and Propagation,1996,44(12):1630～1639

[11] [11] Mur G. Absorbing Boundary Conditions for the finite-difference approximation of the time-domain electromagnetic-field equations.IEEE Trans EMC,1981,23(4):377～382

[12] [12] Okamoto K. Fundamentals of optical waveguides.Academic Press, 2000,142～148