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Acousto-optic wavelength-tunable erbium-doped fiber ring laser

Yang Wei Liu Ying Xiao Li-Feng Yang Zhao-Xiang Pan Jian-Xuan

Acousto-optic wavelength-tunable erbium-doped fiber ring laser

Yang Wei, Liu Ying, Xiao Li-Feng, Yang Zhao-Xiang, Pan Jian-Xuan
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  • Abstract views:  4186
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Publishing process
  • Received Date:  15 April 2009
  • Accepted Date:  03 June 2009
  • Published Online:  05 January 2010

Acousto-optic wavelength-tunable erbium-doped fiber ring laser

  • 1. (1)天津大学理学院应用物理系,光电信息技术科学教育部重点实验室,天津 300072; (2)天津津航技术物理研究所,天津 300192

Abstract: A erbium-doped fiber ring laser, which utilizes a single-stage polarization-independent acousto-optic tunable filter by use of quasi-collinear coupling as the tuning component, is proposed and a continuously tunable lasing wavelength is realized. The filtering principle of the polarization-independent quasi-collinear filter is introduced briefly, and then the compensation of frequency-shift is analyzed. The experimental results are that the output power of the laser pumped at 13 mW is measured to be 322 μW at a lasing wavelength of 1550 nm, the threshold pump power is 7.65 mW, and the slope efficiency is 6.02%; the tuning range of 38 nm, starting from 1524.7 nm ending at 1562.4 nm, is observed.

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