[1] [1] J. Y. Allain, M. Monerie, H. Poignant. Ytterbium-doped fluoride fibre laser operating at 1.02 μm. Electron Lett., 1992, 28(11):988～989

[2] [2] J. Y. Allain, J. F. Bayon, M. Monerie. et al.. Ytterbium-doped silica fibre laser with intracore Bragg gratings operating at 1.02 μm. Electron Lett., 1993, 29(3):309～310

[3] [3] R. M. Klbas, N. G. Anderson, W. D. Laidig et al.. Strained-layer InGaAs-GaAs-AlGaAs photopumped and current injection lasers. IEEE J. Quantum Electron., 1988, 24(8):1605～1613

[4] [4] Hiromichi Takegbe, Takahiro Murata, Kenji Morinaga. Compositional dependence of absorption and fluorescence of Yb3+ in oxide glasses. J. Am. Ceram. Soc., 1996, 79(3):681～687

[5] [5] J. Wang, L. Reekie, W. S. Brocklesby et al..Fabrication, spectroscopy and laser performance of Nd3+-doped lead-silicate glass fibers. J. Non-Cryst. Solids., 1995, 180(2/3):207～216

[6] [6] D. S. Sumida, T. Y. Fan. Effect of radiation trapping on fluorescence lifetime and emission cross-section measurements in solid state laser media. Opt. Lett., 1994, 19(17):1343～1345

[7] [7] W. Seeber, E. A. Downing, L. Hesselink et al.. Pr3+-doped fluoride glasses. J. Non-Cryst. Solids, 1995, 189(3):218～226

[8] [8] D. E. McCumber. Theory of phonon-terminated optical masers. Phys. Rev., 1964, 134(2A):A299～A306

[9] [9] W. J. Miniscalco, R. S. Quimby. General procedure for the analysis of Er3+ cross section. Opt. Lett., 1991, 16(4):258～260

[10] [10] Zou X., Toratani H.. Spectroscopic properties and energy transfers in Tm3+ singly- and Tm3+/Ho3+ doubly-doped glasses. J. Non-Cryst. Solids, 1996, 195(1):113～124