Net gain in C+L band from LED pumped broadband emission in Er3+-doped oxyhalide tellurite glass

Sun, Yan; Chen, Aowen; Yang, Jingdao; Zhang, Kun; Wang, Sikai; Xu, Xuerong; Niu, Luyue; Jing, Yue; Wang, Ci; Ren, Jing; Zhang, Jianzhong

doi:10.1016/j.ceramint.2024.02.385

Ceramics International

2024

DOI: 10.1016/j.ceramint.2024.02.385

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Net gain in C+L band from LED pumped broadband emission in Er3+-doped oxyhalide tellurite glass

Yan Sun,

Aowen Chen,

Jingdao Yang

et al.

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2024

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Cited by 2 publications

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High-efficiency 1.6 μm-band fiber laser based on single Er3+-doped tungsten tellurite glass with high mechanical strength through tailored glass network

Xu,

Pan,

Wang

et al. 2024

Ceramics International

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High-efficiency 1.6 μm-band fiber laser based on single Er3+-doped tungsten tellurite glass with high mechanical strength through tailored glass network

Xu,

Pan,

Wang

et al. 2024

Ceramics International

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Er3+/Yb3+ Co-Doped Fluorotellurite Glass Fiber with Broadband Luminescence

Zhu,

Xu,

Fan

et al. 2024

Sensors

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In order to address the ‘capacity crisis’ caused by the narrow bandwidth of the current C band and the demand for wide-spectrum sensing sources and tunable fiber lasers, a broadband luminescence covering the C + L bands using Er3+/Yb3+ co-doped fluorotellurite glass fiber is investigated in this paper. The optimal doping concentrations in the glass host were determined based on the intensity, lifetime, and full width at half maximum (FWHM) of the fluorescence centered at 1.5 µm, which were found to be 1.5 mol% Er2O3 and 3 mol% Yb2O3. We also systematically investigated this in terms of optical absorption spectra, absorption and emission cross-sections, gain coefficients, Judd–Ofelt parameters, and up-conversion fluorescence. The energy transfer (ET) mechanism between the high concentrations of Er3+ and Yb3+ was summarized. In addition, a step-indexed fiber was prepared based on these fluorotellurite glasses, and a wide bandwidth of ~112.5 nm (covering the C + L bands from 1505.1 to 1617.6 nm) at 3 dB for the amplified spontaneous emission (ASE) spectra has been observed at a fiber length of 0.57 m, which is the widest bandwidth among all the reports based on tellurite glass. Therefore, this kind of Er3+/Yb3+ co-doped fluorotellurite glass fiber has great potential for developing broadband C + L band amplifiers, ultra-wide fiber sources for sensing, and tunable fiber lasers.

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Net gain in C+L band from LED pumped broadband emission in Er3+-doped oxyhalide tellurite glass

Cited by 2 publications

References 43 publications

High-efficiency 1.6 μm-band fiber laser based on single Er3+-doped tungsten tellurite glass with high mechanical strength through tailored glass network

High-efficiency 1.6 μm-band fiber laser based on single Er3+-doped tungsten tellurite glass with high mechanical strength through tailored glass network

Er3+/Yb3+ Co-Doped Fluorotellurite Glass Fiber with Broadband Luminescence

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