[1] BUFETOV I A, DIANOV E M. Bi-doped fiber lasers［J］. Laser Physics Letters, 2009, 6(7):487-504.
[2] MURATA K, FUJIMOTO Y, KANABE T, et al. Bi-doped SiO as a new laser material for an intense laser ［J］. Fusion Engineering and Design, 1999, 44(1): 437-439.
[3] FUJIMOTO Y, NAKATSUKA M. Optical amplification in bismuth-doped silica glass［J］. Applied Physics Letters, 2003, 82(19): 3325-3326.
[4] DVOYRIN V V, MASHINSKY V M, DIANOV E M, et al.. Absorption, fluorescence and optical amplification in MCVD Bismuth-doped silica glass optical fibres［C］. 31st European Conference on Optical Communications, 2005, 4:949-950.
[5] KUWADA Y, FUJIMOTO Y, NAKATSUKA M.Ultrawideband light emission from bismuth and erbium doped silica［J］. Japanese Journal of Applied Physics, 2007, 46: 1531-1532.
[6] CHI Guang-wei, XIONG Da-min, ZHOU Da-cheng, et al. Optical basicity dependence on broadband infrared fluorescence in Bi-doped germanate glasses［J］. Acta Photonica Sinica, 2008, 37(s1): 235-238.
[7] PENG Ming-ying, ZHANG Na, WONDRACZEK L, et al. Ultrabroad NIR luminescence and energy transfer in Bi and Er/Bi co-doped germanate glasses［J］. Optics Express, 2011, 19(21): 20799-20807.
[8] LUO Yan-hua, WEN Jian-xiang, ZHANG Jian-zhong, et al.. Bismuth and erbium codoped optical fiber with ultrabroadband luminescence across O-, E-, S-, C-, and L-bands［J］.Optics Letters, 2012, 37(6): 3447-3449.
[9] ZHANG Jian-zhong, SATHI Z M, LUO Yan-hua, et al. Toward an ultra-broadband emission source based on the Bismuth and Erbium co-doped optical fiber and a single 830nm laser diode pump［J］. Optics Express，2013，21(6): 7786-7792.
[10] BUFETOV I A, MELKUMOV M A, FIRSTOV S V, et al. Bi-doped optical fibers and fiber lasers［J］. IEEE Journal of Selected Topics in Quantum Electronics，2014，20(5): 0903815.
[11] PENG Ming-ying, ZHAO Quan-zhong, QIU Jian-rong, et al. Generation of emission centers for broadband NIR luminescence in bismuthate glass by femtosecond laser irradiation［J］. Journal ofAmercia Ceramic Society, 2009, 92(2): 542-544.
[12] EHRT D. Structure, properties and applications of borate glasses［J］, Glass Tech, 2000, 41(6): 182-185.
[13] FIRSTOV S V, KHOPIN V F, BUFETOV I A, et al. Combined excitation-emission spectroscopy of bismuth active centers in optical fibers［J］. Optics Express, 2011, 19(20): 19551-19561.
[14] HAU T M, YU Xue, ZHOU Da-cheng, et al. Super broadband near-infrared emission and energy transfer in Bi–Er co-doped lanthanum aluminosilicateglasses［J］. Optical Materials, 2013, 35(3): 487-490.
[16] PENG Ming-ying, DONG Guo-ping, WONDRACZEK L,et al.Discussion on the origin of NIR emission from Bi-doped materials［J］. Journal of Non-Crystalline Solids, 2011, 357: 2241-2245.
[17] SOKOLOV V O, PLOTNICHENKO V G, DIANOV E M. The origin of near-IR luminescence in bismuth-doped silica and germania glasses free of other dopants First-principle study［J］. Opticalmaterials Express, 2013, 3(8): 1059-1074.
[18] DIANOV E M, Amplification in extended transmission bands using Bismuth-doped optical fibers［J］. Journal of Lightwave and Technology, 2013, 31(4): 681-688.
[19] SATHI Z M, ZHANG Jian-zhong, LUO Yan-hua, et al. Spectral properties and role of aluminium-related bismuth active centre(BAC-Al)in bismuth and erbium co-doped fibres［J］. Optical Materials Express, 2015, 5(5):1195-1209.
[20] HE Xi-jia, ZHOU Da-cheng, LI Chen, et al. Bi-doped and Bi/Er co-doped calcium aluminum germanate glasses with ultra-broadband infrared luminescence［J］. Acta Photonica Sinica, 2014, 43(3): 0316001.
Foundation item: The National Natural Science Foundation of China(No.61405014)
