[1] [1] Alessandro Iocco, Hans Georg Limberger, Rene Paul Salathe, et al. Bragg Grating Fast Tunable Filter for Wavelength Division Multiplexing [J]. Jounral Lightwave Technol(S0733-8724), 1999, 17: 1217-1218.

[2] [2] Milo. A Popovíc, TymonBarwicz, Michael R Watts, et al. Multistage high-order microring-resonator add-drop filters [J]. Opt. Lett(S0146-9592), 2006, 31: 2571-2573.

[3] [3] Min Qiu. Vertically coupled photonic crystal optical filters [J]. Opt. Lett (S0146-9592) , 2005, 30: 1476-1478.

[4] [4] Madsen C, Zhao J. Optical Filter Design and Analysis: A Signal Processing Approach [M]. New York: Wiley, 1999: 387-393.

[7] [7] Takada K, Yamada H, Inoue Y. Optical low coherence method for characterizing silica-based arrayed-waveguide grating multiplexers [J]. IEEE/OSA, Jounral Lightwave Technol(S0733-8724), 1996, 14: 1677-1689.

[8] [8] Gottesman Y, Rao E V K, Rabus D G. New Methodology to Evaluate the Performance of Ring Resonators Using Optical Low-Coherence Reflectometry [J]. J. Lightwave Technol(S0733-8724), 2004, 22: 1566-1568.

[9] [9] CHEN Wei, WANG Zhi-peng, CHEN Wen-lu, et al. General ring-resonator analysis and characterization by characteristic matrix [J]. IEEE/OSA, Jounral of Lightwave Technol(S0733-8724), 2005, 23(2): 915-922.

[11] [11] Stoica P, Moses R L. Spectral Analysis of Signals [M]. London: Prentice-Hall, 2005: 204-258.

[12] [12] Yariv A. Universal relations for coupling of optical power between microresonators and dielectric waveguides [J]. Electron. Lett(S0013-5194), 2000, 36: 321-322.

[13] [13] Orta R, Savi P, Tascone R, et al. Synthesis of multiple-ring-resonator filters for optical systems [J]. IEEE Photon. Technol. Lett(S1041-1135), 1995, 7: 1447-1449.

[14] [14] CHEN Wei, CHEN Yung-jui, YAN Ming, et al. Improved Techniques for the Measurement of PhaseError in Waveguide Based Optical Devices [J]. Jounral of Lightwave Technol(S0733-8724), 2003, 21(1): 198-205.