[1] [1] C. J. Rowe, I. Bennion, D. C. J. Reid. High-reflectivity surface-relief gratings in single-mode optical fibers. IEE Proc., 1987, 134(3): 197～202

[4] [4] A. Yariv. Coupled-mode theory for guided-wave optics. IEEE J. Quant. Electron., 1973, QE-9(9): 919～933

[5] [5] J. Hong, W.-P. Huang, T. Makino. Analytical theory of coupled-waveguide Bragg reflectors and resonant transmission filters. IEE Proc.-Optoelectron., 1995, 142(5): 209～218

[6] [6] H. A. Haus, W.-P. Huang. Coupled-mode theory. Proc. IEEE, 1991, 79(10): 1505～1518