[1] [1] J. L. Archambault, P. St. J. Russell, S. Barcelos et al.. Grating-frustrated coupler: a novel channel-dropping filter in single-mode optical fiber［J］. Opt. Lett., 1994, 19(3): 180～182

[2] [2] F. Bilodeau, D. C. Johnson, S. Theriault et al.. An all-fiber dense-wavelength-division multiplexer/demultiplexer using photoimprinted Bragg gratings［J］. IEEE Photon. Technol. Lett., 1995, 7(4): 388～390

[3] [3] L. Dong, P. Hua, T. A. Birks et al.. Novel add/drop filters for wavelength-division-multiplexing optical fiber systems using a Bragg grating assisted mismatched coupler［J］. IEEE Photon. Technol. Lett., 1996, 8(12): 1656～1658

[4] [4] I. Baumann, J. Seifert, W. Nowak et al.. Compact all-fiber add-drop-multiplexer using fiber Bragg grating［J］. IEEE Photon. Technol. Lett., 1996, 8(10): 1331～1333

[5] [5] F. Bakhti, P. Sansonetti, C. Sinet et al.. Optical add/drop multiplexer based on UV-written Bragg grating in a fused 100% coupler［J］. Electron. Lett., 1997, 33(9): 803～804

[6] [6] Pei Li, Zhao Ruifeng, Ning Tigang et al.. Wavelength-division demultiplexer based on FBG coupler［J］. Acta Optica Sinica, 2009, 29(2): 308～311

[7] [7] Dong Xiaowei. Design and Fabrication of All-Fiber Add/Drop Filter［D］. Beijing: Beijing Jiaotong University, 2006