[1] Mori A, Kobayashi K, Yamada M et al. Low noise broadband tellurite-based Er3+-doped fiber amplifiers [J].Electronics Letters, 1998, 34(9): 887-888
[2] Ohishi Y, Mori A, Yamada M et al. Gain characteristics of tellurite-based erbium-doped fiber amplifiers for 1.5μm broadband amplification [J]. Optics Letters, 1998, 23(4): 274-276
[3] Sakamoto M A, Shikano K et al. Gain-flattened Era+-doped tellurite fiber amplifier for WDM signals in the1581-1616 wavelength region [J]. Electronics Letters, 2000, 36(7): 621-622
[4] Lopez-Barbero A P, Arellano-Espinoza W A, Fregnito H L et al. Tellurite-based optical fiber amplifier analysis using the finite-element method [J]. Microwave and Optical Technology Letters, 2000, 25(2): 103-107
[7] Desurvire E, Simpson T R. Amplification of spontaneous emission in erbium-dpped single-mode fibers [J]. IEEE J. Lightwave Technology, 1989, 7(5): 835
[8] Mears R J, Baker S R. Erbium fiber amplification and lasers [J]. Optical Quantum Electronics, 1992, 24:517-538
[9] Pasquale F D, Zoboli M, Federighi M et al. Finite-element modeling of silica waveguide amplifiers with high erbium concentration [J]. J. Quantum Electron, 1994, 30:1277-1282