[1] [1] Xu Jianfeng, Bo Zhongyang, Bai Jian et al.. Synthetic subdomain method for large-scale integrated optical waveguides FDTD simulation[J]. Acta Optica Sinica, 2007, 27(1): 5～9

[2] [2] Derudder H., Olyslager F., De Zutter D. et al.. Efficient mode-matching analysis of discontinuities in finiteplanar substrates using perfectly matched layers[J]. IEEE Trans. Antennas and Propagation, 2001, 49(2): 185～195

[3] [3] Berenger J. P.. A perfectly matched layer for the absorption of electromagnetic-wave[J]. J. Comput. Phys., 1994, 114(2): 185～200

[4] [4] Chew W.C., Weedon W. H.. A 3D perfectly matched medium from modified Maxwells equations with stretched coordinates[J]. Microwave Opt. Technol. Lett., 1994, 7(13): 599～604

[5] [5] Rogier H., De Zutter D.. Berenger and leaky modes in optical fibers terminated with a perfectly matched layer[J]. J. Lightwave Technol., 2002, 20(7): 1141～1148

[6] [6] Rogier H., Knockaert L., De Zutter D.. Fast calculation of the propagation constants of leaky and Berenger modes of planar and circular dielectric waveguides terminated by a perfectly matched layer[J]. Microwave Opt. Technol. Lett., 2003, 37(3): 167～171

[7] [7] Rogier H., De Zutter D.. Berenger and leaky modes in microstrip substrates terminated by a perfectly matched layer[J]. IEEE Trans. Microwave Theory Technol., 2001, 49(4): 712～715

[8] [8] Gaal Szabolcs B., Hoekstra Hugo J. W. M., Lambeck Paul V.. Determining PML modes in 2-D stratified media[J]. J. Lightwave Technol., 2003, 21(1): 293～298

[9] [9] Jianxin Zhu, Yayan Lu. Leaky modes of slab waveguides-asymptotic solutions[J]. IEEE J. Lightwave Technol., 2006, 24(3): 1619～1623

[10] [10] Yuan Yanyang, Gong Mali. Analysis and design of refractive-index and dopant distributions for large-mode-area fibers[J]. Chinese J. Lasers, 2008, 35(9): 1355～1359

[11] [11] Zhao Chujun, Zhou Ping, Zeng Xiahui et al.. Propagation characteristics analyses of step-index fibers with gain or loss using Davidenko′s method [J]. Acta Optica Sinica, 2008, 28(3): 409～413

[12] [12] Jianxin Zhu, Zhihua Chen, Shuyuan Tang. Leaky modes of optical waveguides with varied refractive index for microchip optical interconnect applications-asymptotic solutions[J]. Microelec Reliab, 2008, 48(4): 555～562

[13] [13] Corless R. M., Gonnet G. H., Hare D. E. G. et al.. On the lambert W function[J]. Adv. Comput. Math., 1996, 5(4): 329～359