[1] [1] Zhou Fei, Fei Hongming, Chen Zhihui, et al.. A high efficiency photonic crystal polarization beam splitter [J]. Laser & Optoelectronics Progress, 2013, 50(6): 062304.

[2] [2] Li Rongmin, Cao Ye, Tong Zhengrong. Short length polarization splitter based on dual elliptical-core photonic crystal fiber [J]. Chinese J Lasers ,2012, 39(10): 1005004.

[3] [3] Ren Yitao, Huang Chuyong, Luo Jinlong. Design and fabrication of heavy germanium loading waveguide splitters and couplers by UV exposure method [J]. Laser & Optoelectronics Progress, 2013, 50(9): 092301.

[4] [4] J Kim, J R Birge, V Sharma, et al.. Ultrabroadband beam splitter with matched group-delay dispersion [J]. Opt Lett, 2005, 30(12): 1569-1571.

[5] [5] T Clausnitzer, T Kmpfe, E B Kley, et al.. Investigation of the polarization-dependent diffraction of deep dielectric rectangular transmission gratings illuminated in Littrow mounting [J]. Appl Opt, 2007, 46(6): 819-826.

[6] [6] J Zheng, C Zhou, J Feng, et al.. Polarizing beam splitter of deep-etched triangular-groove fused-silica gratings [J]. Opt Lett, 2008, 33(14): 1554-1556.

[7] [7] J Pietarinen, T Vallius, J Turunen. Wideband four-level transmission gratings with flattened spectral efficiency [J]. Opt Express, 2006, 14(7): 2583-2588.

[8] [8] J Wang, Y Jin, J Ma, et al.. Design and analysis of broadband high-efficiency pulse compression gratings [J]. Appl Opt, 2010, 49(16): 2969-2978.

[9] [9] Fan Shuwei, Zhou Qinghua, Li Hong. Research of optimization design of groove diffraction grating profile parameters [J]. Acta Optica Sinica, 2010, 30(11): 3133-3139.

[10] [10] M G Moharam, T K Gaylord. Diffraction analysis of dielectric surface-relief gratings [J]. J Opt Soc Am, 1982, 72(10): 1385-1392.

[11] [11] M G Moharam, T K Gaylord. Rigorous coupled-wave analysis of metallic surface-relief gratings [J]. J Opt Soc Am A, 1986, 3(11): 1780-1787.

[12] [12] M G Moharam, D A Pommet, E B Grann, et al.. Stable implementation of the rigorous coupled-wave analysis for surface-relief gratings: enhanced transmittance matrix approach [J]. J Opt Soc Am A, 1995, 12(5): 1077-1086.

[13] [13] L C Botten, M S Craig, R C Mcphedran, et al.. The dielectric lamellar diffraction grating [J]. J Mod Opt, 1981, 28(3): 413-428.

[14] [14] L C Botten, M S Craig, R C Mcphedran, et al.. The finitely conducting lamellar diffraction grating [J]. J Mod Opt, 1981, 28(8): 1087-1102.

[15] [15] T Clausnitzer, T Kmpfe, E B Kley, et al.. An intelligible explanation of highly-efficient diffraction in deep dielectric rectangular transmission gratings [J]. Opt Express, 2005, 13(26): 10448-10456.

[16] [16] J Feng, C Zhou, J Zheng, et al.. Design and fabrication of a polarization-independent two-port beam splitter [J]. Appl Opt, 2009, 48(29): 5636-5641.

[17] [17] X Jing, J Zhang, S Jin, et al.. Design of highly efficient transmission gratings with deep etched triangular grooves [J]. Appl Opt, 2012, 51(33): 7920-7933.

[18] [18] X Jing, S Jin, J Zhang, et al.. Enhancement of the accuracy of the simplified modal method for designing a subwavelength triangular grooves grating [J]. Opt Lett, 2013, 38(1): 10-12.

[19] [19] W Sun, P Lv, C Zhou, et al.. Multireflection modal method for wideband fused-silica transmission gratings [J]. Appl Opt, 2013, 52(12): 2800-2807.

[20] [20] T Clausnitzer, T Kmpfe, E B Kley, et al.. Highly-dispersive dielectric transmission gratings with 100% diffraction efficiency [J]. Opt Express, 2008, 16(8): 5577-5584.

[21] [21] A V Tishchenko. Phenomenological representation of deep and high contrast lamellar gratings by means of the modal method [J]. Opt Quantum Electron, 2005, 37(1-3): 309-330.

[22] [22] P Sheng, R S Stepleman, P N Sanda. Exact eigenfunctions for square-wave gratings: application to diffraction and surface-plasmon calculations [J]. Phys Rev B, 1982, 26(6): 2907-2917.

[23] [23] Tang Jinfa, Gu Peifu, Liu Xu, et al.. Modern Optical Thin Film Technology [M]. Hangzhou: Zhejiang University Press, 2006. 22.

[24] [24] J Feng, C Zhou, J Zheng, et al.. Modal analysis of deep-etched low-contrast two-port beam splitter grating [J]. Opt Commun, 2008, 281(21): 5298-5301.