Chinese Optics Letters, 2008, 6 (4): 276, Published Online: Apr. 21, 2008  

Er3+-doped phosphor-tellurite glass for broadband short-length Er3+-doped fiber amplifier Download: 619次

Author Affiliations
College of Materials Science and Engineering, China Jiliang University, Hangzhou 310018
Abstract
Er3+-doped phosphor-tellurite glass for broadband short-length Er3+-doped fiber amplifier (EDFA) is fabricated and characterized. The differential value (\DeltaT] of onset crystalline temperature (Tx) and glass transition temperature (Tg) is 206 oC. The stimulated emission cross section of Er3+ is calculated from absorption spectrum by McCumber theory and is 0.87\time 10^(-20) cm2 at 1532 nm. A broad 1.5-\mum fluorescence spectrum with 54-nm full-width at half maximum (FWHM) is demonstrated. Especially, the maximum phonon energy of undoped phosphor-tellurite glass is 1100 cm-1, which restricts the upconversion luminescence. It is possible to pump efficiently at 980 nm. These results indicate Er3+-doped phosphor-tellurite glass is suitable for fabricating broadband short-length EDFA.

Shilong Zhao, Fei Zheng, Shiqing Xu, Huanping Wang. Er3+-doped phosphor-tellurite glass for broadband short-length Er3+-doped fiber amplifier[J]. Chinese Optics Letters, 2008, 6(4): 276.

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