[2] Munoz P, Pastor D, Company J. Modeling and design of arrayed waveguide gratings. IEEE J. Lightwave Technol., 2002, 20(4):661～674
[3] Kuznetsov M. Cascaded coupled Mach-Zehnder channel dropping filters for wavelength-division-multiplexed optical systems. IEEE J. Lightwave Technol., 1994, 12(2): 226～230
[5] Cheung K W, Choy M M, Kobrinski H. Electronic wavelength tuning using acousto-optic tunable filter with broad continuous tuning range and narrow channel spacing. IEEE Photon. Technol. Lett., 1989, 1(1): 38～40
[6] Stone J, Stulz L W, Marcuse D et al.. Narrow-band FiEnd etalon filters using expanded-core fibers. IEEE J. Lightwave Technol., 1992, 10(12):1851～1854
[7] Wooten L, Stone R L, Miles E W et al.. Rapidly tunable narrowband wavelength filter using LiNbO3 unbalanced Mach-Zehnder interferometers. IEEE J. Lightwave Technol., 1996, 14(11): 2530～2536
[8] Hirabayashi K, Kurokawa T. Tunable wavelength-selective demultiplexer using a liquid crystal filter. IEEE Photon. Technol. Lett., 1992, 4(7): 737～740
[9] Sneh A, Johnson K M. High-speed continuously tunable liquid crystal filter for WDM networks. IEEE J. Lightwave Technol., 1996, 14(6): 1067～1079
[10] van de Stadt H, Muller J M. Multimirror Fabry-Perot interferometers. J. Opt. Soc. Am. (A), 1985, 2(8): 1363～1370
