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Enhanced 1.32 μm fluorescence and broadband amplifying for O-band optical amplifier in Nd3+-doped tellurite glass

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Abstract

WO3 oxides with relatively high phonon energy and different concentrations were introduced into the Nd3+-doped tellurite-based glasses of TeO2-ZnO-Na2O to improve the 1.32 μm band fluorescence emission. The absorption spectra, Raman spectra, 1.32 μm band fluorescence spectra and differential scanning calorimeter (DSC) curves were measured, together with the Judd-Ofelt intensity parameters, stimulated emission and gain parameters were calculated to evaluate the effects of WO3 amount on the glass structure and spectroscopic properties of 1.32 μm band fluorescence. It is shown that the introduction of an appropriate amount of WO3 oxide can effectively improve the 1.32 μm band fluorescence intensity through the enhanced multi-phonon relaxation (MPR) processes between the excited levels of Nd3+. The results indicate that the prepared Nd3+-doped tellurite glass with an appropriate amount of WO3 oxide is a potential gain medium applied for the O-band broad and high-gain fiber amplifier.

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Authors and Affiliations

  1. College of Information Science and Engineering, Ningbo University, Ningbo, 315211, China

    Zi-zhong Zhou  (周自忠), Ming-han Zhou  (周明翰), Xiu-e Su  (苏秀娥), Pan Cheng  (程盼) & Ya-xun Zhou  (周亚训)

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  1. Zi-zhong Zhou  (周自忠)
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  2. Ming-han Zhou  (周明翰)
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  3. Xiu-e Su  (苏秀娥)
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  4. Pan Cheng  (程盼)
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  5. Ya-xun Zhou  (周亚训)
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Corresponding author

Correspondence to Ya-xun Zhou  (周亚训).

Additional information

This work has been supported by the National Natural Science Foundation of China (No.61178063), the Natural Science Foundation of Ningbo City (No.2016A610061), and the K. C. Wong Magna Fund and Hu Lan Outstanding Doctoral Fund in Ningbo University.

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Zhou, Zz., Zhou, Mh., Su, Xe. et al. Enhanced 1.32 μm fluorescence and broadband amplifying for O-band optical amplifier in Nd3+-doped tellurite glass. Optoelectron. Lett. 13, 54–57 (2017). https://doi.org/10.1007/s11801-017-6260-1

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  • DOI: https://doi.org/10.1007/s11801-017-6260-1

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