[1] [1] Hu Aizi, Rao Yunjiang, Niu Yongchang. A novel tunable LPFG gain equalizer based on a bend insensitive fiber［J］. Acta Optica Sinica, 2005, 25(1): 30～34

[2] [2] Jiang Weiwei, Li Jian, Zhao Ruifeng et al.. Analysis of fiber grating filters written in fiber coupler by employing the unified coupled-mode theory［J］. Acta Optica Sinica, 2010, 30(3): 644～649

[3] [3] Jin Jie, Li Kejia, Kong Xi et al.. Multi-wavelength electro-optical tunable filter［J］. J. Optoelectronics·Laser, 2010, 21(suppl.): 1～4

[4] [4] Ge Chunfeng, Zhang Ruifeng, Hu Zhiyong et al.. Design of optical lattice FIR gain equalization filters［J］. J. Optoelectronics·Laser, 2004, 15(9): 1074～1078

[6] [6] Haim Kobrinski, Kwok-Wai Cheung. Wavelength-tunable optical filters: applications and technologies［J］. IEEE Commun. Mag., 1989, 27(10): 53～63

[7] [7] Fred Heismann, Rod C. Alferness. Wavelength-tunable electrooptic polarization conversion in birefringent waveguides［J］. IEEE J. Quantum Electron., 1988, 24(1): 83～93

[8] [8] Yang Ping, O. Eknoyan, K. Christi et al.. Programmable polarization-independent electrooptic matched bandpass filter utilizing symmetric branch beam splitters in TiLiNbO3［J］. IEEE J. Lightwave Technol., 2007, 25(8): 2198～2205

[9] [9] M. Kuznetsov. Cascaded coupler Mach-Zehnder channel dropping filters for wavelength-division-multiplexed optical systems［J］. J. Lightwave Technol., 1994, 12(2): 226～230

[10] [10] Yang Wei, Liu Ying, Xiao Lifeng et al.. Suppression of sidelobe levels for acousto-optic tunable filters using cascaded single-stage acousto-optic tunable filters［J］. Chinese J. Lasers, 2009, 36(10): 2734～2739

[11] [11] Zhang Juan, Liu Liren, Zhou Yu et al.. Design of a new type interleaver［J］. Acta Optica Sinica, 2003, 23(12): 1424～1428

[12] [12] C. K. Madsen, J. H. Zhao. Optical Filter Design and Analysis: A Signal Processing Approach［M］. New York: John Wiley and Sons,1999. 129～140

[13] [13] A. Yariv. Coupled-mode theory for guided-wave optics［J］. IEEE J. Quantum Electron., 1973, 9(9): 919～933

[14] [14] K. Jinguji, M. Kawachi. Synthesis of coherent two-port lattice-form optical delay-line circuit［J］. J. Lightwave Technol., 1995, 13(1): 73～82

[15] [15] Pingsheng Tang, Ohannes Eknoyan, H. F. Taylor. Rapidly tunable optical add-drop multiplexer (OADM) using a static-strain-induced grating in LiNbO3［J］. J. Lightwave Technol., 2003, 21(1): 236～245

[16] [16] H. F. Taylor, A. Yariv. Guided wave optics［J］. Proceedings of the IEEE, 1974, 62(8): 1044～1060