1Key Laboratory of Specially Functional Materials of Ministry of Education, and Institute of Optical Communication Materials, South China University of Technology, Guangzhou 5106402Laboratory of Photonic Information Technology, School of Information and Photoelectric Science and Engineering, South China Normal University, Guangzhou 510006
Efficient Fibre Amplifiers Based on a Highly Er3+/Yb3+ Codoped Phosphate Glass-Fibre
1Key Laboratory of Specially Functional Materials of Ministry of Education, and Institute of Optical Communication Materials, South China University of Technology, Guangzhou 5106402Laboratory of Photonic Information Technology, School of Information and Photoelectric Science and Engineering, South China Normal University, Guangzhou 510006
摘要Highly Er3+/Yb3+-codoped single-mode phosphate glass fibre is fabricated by the rod-in-tube technique. The performances of high-concentration Er3+/Yb3+-codoped phosphate glass fibre amplifiers are investigated and discussed. An efficient optical fibre amplifier with a gain of 12.6dB based on a 3.0cm long Er3+/Yb3+-codoped phosphate glass fibre is demonstrated under a dual-pump configuration with two 976nm fibre-pigtail laser diodes, which make it attractive for compact Er3+-doped fibre amplifiers. The obtained noise figures of signal wavelength from 1525 to 1565nm are less than 6.0dB. Gain saturation behaviour at 1535nm is also investigated, and the obtained saturation output power is larger than 10dBm.
Abstract：Highly Er3+/Yb3+-codoped single-mode phosphate glass fibre is fabricated by the rod-in-tube technique. The performances of high-concentration Er3+/Yb3+-codoped phosphate glass fibre amplifiers are investigated and discussed. An efficient optical fibre amplifier with a gain of 12.6dB based on a 3.0cm long Er3+/Yb3+-codoped phosphate glass fibre is demonstrated under a dual-pump configuration with two 976nm fibre-pigtail laser diodes, which make it attractive for compact Er3+-doped fibre amplifiers. The obtained noise figures of signal wavelength from 1525 to 1565nm are less than 6.0dB. Gain saturation behaviour at 1535nm is also investigated, and the obtained saturation output power is larger than 10dBm.
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2009, Vol. 26 
