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Multiple-Pulse Operation in Passively Mode-Locked Fibre Laser with Positive Dispersion Cavity |
GAO Wei-Qing1;ZHENG Huan1;XU Li-Xin1;WANG An-Ting1;MING Hai1;AN
Qi2;HE Hu-Cheng3;WANG Yun-Cai3 |
| 1Department of Physics, University of Science and Technology of China, Hefei 2300262Department of Modern Physics, University of Science and Technology of China, Hefei 2300263Department of Physics, Taiyuan University of Technology, Taiyuan 030024 |
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| Cite this article: |
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GAO Wei-Qing, ZHENG Huan, XU Li-Xin et al 2007 Chin. Phys. Lett. 24 1267-1269 |
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Abstract We report the observation of rectangular shape spectrum in passively mode-locked fibre laser with positive dispersion cavity. The spectrum is broad and flat, and 3dB bandwidth can be up to 17.61nm. Multiple-pulse operation is observed in our laser system. The spectrum width, pulse energy, pulse width and peak power of the mode-locked laser output change with the appearance of multiple-pulse operation.
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| Keywords:
42.55.Wd
42.60.Fc
07.60.Vg
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Received: 15 January 2007
Published: 23 April 2007
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