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Proceedings Paper

All-fiber Q-switched and self-mode-locking Er3+/Yb3+-codoped ring laser
Author(s): Shumin Zhang; Fuyun Lu; Jian Wang; Chunxia Xie; Hongjie Wang; Xiaoyi Dong
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Paper Abstract

A high efficiency Q-switched and self-mode-locked Er3+/Yb3+ co-doped fiber ring laser with a Mach-Zehnder interferometer (MZI) is proposed. The fiber laser with threshold of 126.84 mw and linewidth of 0.06nm has been demonstrated. The average power of 62.6mW, the peak power of 1231.8mW of the Q-switched giant pulses with the pulse duration of 2.6μs can be achieved. It is found that in order to generate Q-switched giant pulses, different repetition frequency must be selected as pumping power is changed. This phenomenon is observed for the first time to our knowledge. In the experiment, it is also found that stable passive Q-switch pulses can be observed, which waveform is not the same with the different pump power, although the arms lengths of the interferometer is not changed. When the absorbed pumped power is increased to 591.8mW, a self-mode-locking pulse can be formed and it is given a detailed theoretically illustration in this paper.

Paper Details

Date Published: 10 January 2005
PDF: 8 pages
Proc. SPIE 5623, Passive Components and Fiber-based Devices, (10 January 2005); doi: 10.1117/12.574265
Show Author Affiliations
Shumin Zhang, Nankai Univ. (China)
Tianjin Univ. (China)
Fuyun Lu, Nankai Univ. (China)
Tianjin Univ. (China)
Jian Wang, Nankai Univ. (China)
Tianjin Univ. (China)
Chunxia Xie, Nankai Univ. (China)
Tianjin Univ. (China)
Hongjie Wang, Nankai Univ. (China)
Tianjin Univ. (China)
Xiaoyi Dong, Nankai Univ. (China)
Tianjin Univ. (China)

Published in SPIE Proceedings Vol. 5623:
Passive Components and Fiber-based Devices
Yan Sun; Shuisheng Jian; Sang Bae Lee; Katsunari Okamoto, Editor(s)

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