[4] [4] Daniel Pastor, José Capmany, Diego Ortega et al.. Design of apodized linearly chirped fiber gratings for dispersion compensation[J]. J. Lightwave Technol., 1996, 14(11): 2581～2588

[5] [5] 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

[7] [7] Xiaoping Zhang, Shanglin Hou. Study of characteristics of fiber Bragg grating with uniaxial crystal material cladding[J]. Opt. Commun., 2003, 219(4): 193～198

[8] [8] J. L. Stevenson, R. B. Dyott. Optical fibre waveguide with a single-crystal core[J]. Electron. Lett., 1974, 10(22): 449～450

[9] [9] J. Cozens. Propagation in cylindrical fibres with anisotropic crystal cores[J]. Electron. Lett., 1976, 12(16): 413～415

[11] [11] M. Wakaki, Y. Komachi, H. Machida. Fiber-optic polarizer using birefringent crystal as a cladding[J]. Appl. Opt., 1996, 35(15): 2591～2594

[12] [12] Turan Erdogan. Fiber grating spectra[J]. J. Lightwave Technol., 1997, 15(8): 1277～1294

[13] [13] M. Yamada, K. Sakuda. Analysis of almost-periodic distributed feedback slab waveguides via a fundamental matrix approach[J]. Appl. Opt., 1987, 26(16): 3474～3478

[14] [14] Amnon Yariv. Introduction to Optical Electronics[M]. Holt: Rinchart and Winston, 1976