| [1] | JACKSON S D,KING T A.Theoretical modeling of Tm-doped silica fiber lasers[J].IEEE Journal of Lightwave Technology,1999,17 (5):948～956. |
| [2] | JACKSON S D,KING T A.CW operation of a 1.064μ m pumped TmHo-doped silica fiber laser[J].IEEE J Q E,1998,34(9):1578～1587. |
| [3] | TANIGUCHI A,KUWAYAMA T,SHIRAKAWA Aet al.1212nm pumping of 2μ m Tm-Ho-codoped silica fiber laser[J].A P L,2002,81(20):3723～3725. |
| [4] | DONG S F,CHEN G F,WANG X H et al.Lasing characteristics of Tm3+,Ho3+ codoped silica fibre laser pumped by 1.18μ m Raman fibre laser[J].Chinese Physics Letters,2004,21 (11):2179～2181(in Chinese). |
| [5] | ZOU X,TORATANI H.Spectroscopic properties and energy transfers in Tm3+ singly-and Tm3+/Ho3+ double-doped glasses[J].Journal of Non-Crystal Solids,1996,195(1～2):113～124. |
| [6] | XU J,PRABHU M,LU J et al.Efficient double-clad thulium-doped fiber laser with a ring cavity[J].Appl Opt,2001,40(12):1983～1988. |
| [7] | DESURVIRE E,SIMPSON J R.Amplification of spontaneous emission in erbium-doped single-mode fibers[J].IEEE Journal of Lightwave Technology,1989,7 (5):835～845. |
| [8] | PASQUALE F D.Modeling of highly-efficient grating-feedback and Fabry-Perot Er3+-Yb3+ co-doped fiber lasers[J].IEEE J Q E,1996,32(2):326～332. |