Er3+/Yb3+ Codoped Phosphate Glass Fibre with Gain per Unit Length Greater Than 3.0dB/cm |
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| Authors: | XU Shan-Hui YANG Zhong-Min ZHANG Qin-Yuan LI Zun DENG Zai-De XU Wen-Cheng |
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| Affiliation: | Key Laboratory of Specially Functional Materials (Ministry of Education) and Institute of Optical Communication Materials, South China University of Technology, Guangzhou 510640Laboratory of Photonic Information Technology, School of Information and Photoelectric Science and Engineering, South China Normal University, Guangzhou 510006 |
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| Abstract: | We experimentally study a novel fibre with high gain per unit length based on the homemade erbium--ytterbium codoped phosphate glass. The gain and noise characterizations with different pump powers at different wavelengths are investigated. The 1.8-cm-long fibre, dual-pumped by two single mode 980-nm fibre-pigtailed laser diodes, provides a gain per unit length greater than 3.0dB/cm and a noise figure less than 6.5dB. The gain saturation behaviour at 1535nm is obtained and the saturation output power (3dB compression) is greater than 5dBm. |
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| Keywords: | 42 70 Ce 78 55 Qr 42 79 -e |
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