[1] [1] J. M. Battiato, T. F. Morse, R. K. Kostuk. Dual-wavelength common-cavity codoped fiber laser. IEEE Photon. Technol. Lett., 1997, 9(7):913～915

[2] [2] S. K. Liaw, C. C. Lee, K. Po Ho et al.. Power equalized wavelength-selective fiber lasers using fiber Bragg gratings. Opt. Commun., 1998, 155(4,6):255～259

[3] [3] O. Graydon, W. H. Loh, R. I. Laming et al.. Triple-frequency operation of an Er-doped twincore fiber loop laser. IEEE Photon. Technol. Lett., 1996, 8(1):63～65

[4] [4] J. Chow, G. Town, B. Eggleton et al.. Multiwavelength generation in an erbium-doped fiber laser using in-fiber comb filters. IEEE Photon. Technol. Lett., 1996, 8(1):60～62

[5] [5] N. Park, P. F. Wysocki. 24-line multiwavelength operation of erbium-doped fibre-ring laser. IEEE Photon. Technol. Lett., 1996, 8(11):1459～1461

[6] [6] S. Li, K. T. Chan. Electrical wavelength tunable and multiwavelength actively mode-locked fiber ring laser. Appl. Phys. Lett., 1998, 72(16):1954～1956