[1] KITAGAWA T,HATTORI K,SHIMIZU M,et al.Guided wave laser based on erbium doped silica planar lightwave circuit[J].Electr Lett,1991,27(4):334-335.
[2] BLIXT P,NILSSON J,CARLNAS T,et al.Concentration-dependent upconversion in Er3+-doped fiber amplifiers:experiments and modeling[J].IEEE Photon Tech Lett,1991,3 (11):996-998.
[3] SNOEKS E,den HOVEN G N V,POLMAN A,et al.Cooperative upconversion in erbium-implanted soda-lime silicate glass waveguides[J].JOSA B,1995,12(8):1488-1474.
[4] DELLA VALLE G,TACCHEO S,SORBELLO G,et al.Compact high gain erbium-ytterbium doped waveguide amplifier fabricated by Ag-Na ion exchange[J].Electr Lett,2006,42(11):632-633.
[6] ELISA M,CRISTINA VASILIU I,CRISTIANA E A,et al.Optical and structural investigation on rare-earth-doped aluminophosphate glasses[J].Opt Mat,2006,28 (6-7):621-625.
[7] NUNZI CONTI G,CHIASERA A,GHISA L,et al.Spectroscopic and lasing properties of Er3+-doped glass microspheres[J].Journal of Non-Crystalline Solids,2006,352(23-25):2360-2363.
[11] GAN Fu-xi.Optical glass (second volume)[M].Beijing:Science Press,1982:405-431.
[13] SPIERINGS G A C M.The near infrared absorption of water in glasses[J].Physics and Chemistry of Glasses,1982,23 (4):101-107.