[1] Yin S,Purwadi P,Guo Z,et al. A polarization independent athermal design for electro-optic modulators and variable optical attenuators. Processings of SPIE,2003,4989:22～29

[2] Haverkort J E M,Dorren B H P,Kemerink M,et al.Design of composite InAsP/InGaAs quantum wells for a 1.55 μm polarization independent semiconductor optical amplifier. Appl Phys Lett,1999,75(18) :2782～2784

[3] Philippe D,Alain B,Denis D,et al. Polarization independent phase demodulation using photorefractive two-wave mixing. Appl Phys Lett,1999,74(21):3087～3089

[4] Wallace C H,Choy E,Herbert L,et al. Polarization insensitive electro-absorption and gain-switching quantum-well modulators using interdiffusion.Proceedings of SPIE,1999,3666:282～285

[5] Donald A P,Tigran V G,Roger A L. Polarization independent grating coupling in planar wave-guide using photo-induced birefringence. Proceedings of SPIE,2003,4833:719～726

[6] 王葵如，项允楠，张海庭，等．与偏振无关的波导强度调制器．北京邮电大学学报，1996，19(1)：9～14

    Wang K R,Xiang Y N,Zhang H T,et al. Journal of Beijing University of Postsand Telecommunications,1996,19(1):9～14

[7] 项允楠，王葵如，张海廷，等．与偏振无关的高速调制器．北京邮电大学学报，1997，20(2)：74～77

    Xiang Y N,Wang K R,Zhang H T,et al. Journal of Beijing University of Postsand Telecommunications,1997,20(2):74～77

[8] 邵永红，冯进良，姜耀亮，等．一种新型偏振无关光交错复用器的设计．光子学报，2004，33(5)：533～535

    Shao Y H,Feng J L,Jiang Y L,et al. Acta Photonica Sinica,2004,33(5):533～535

[9] 刘德明，周密，黄德修．棱镜分光式光学环形器及其应用．光子学报，1994，23(1)：39～44

    Liu D M,Zhou M,Huang D X. Acta Photonica Sinica,1994,23(1):39～44

[10] She W L,Lee W K. Wave coupling theory of linear electrooptic effect. Optics Communication,2001,195 (1～4):303～311

[11] Neurgaonkar R R,Cory W K,Oliver J R,et al.Development and modification of photorefractive properties in the tungsten bronze family crystals. Optical Engineering,,1987,26(5) :392～404