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All-Fibre Ytterbium-Doped Photonic Crystal Fibre Laser with High Efficiency |
| CHEN Wei1,2;LI Jin-Yan1,2;LU Pei-Xiang1;LI Shi-Yu2, JI Ling-Ling1;JIANG Zuo-Wen2;ZHANG Ji-Huang1;PENG Jing-Gang2 |
| 1Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 4300742National Key Laboratory for Next Generation Fiber Communication Technologies and Networks, Fiberhome Telecommunication Technologies Co. Ltd, Wuhan 430074 |
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| Cite this article: |
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CHEN Wei, LI Jin-Yan, LU Pei-Xiang et al 2008 Chin. Phys. Lett. 25 960-962 |
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Abstract A double-cladding ytterbium-doped photonic crystal fibre (PCF) with a 350-μm2 effective area is fabricated. The measurement results show that the PCF has high absorption peak at 915nm. Its fluorescence lifetime is 840μs. Laser experiments with all-fibre configurations are carried out with this fibre. A continuous-wave output power of 3.96W is achieved with a 5.2W launched pump power. The central wavelength of the output spectrum is 1080.22nm. The results show that the PCF laser has a high slope efficiency of 79.6% and light conversion efficiency of 76.2%.
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| Keywords:
42.55.Wd
42.81.Bm
42.81.Cn
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Received: 03 December 2007
Published: 27 February 2008
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| PACS: |
42.55.Wd
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(Fiber lasers)
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42.81.Bm
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(Fabrication, cladding, and splicing)
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42.81.Cn
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(Fiber testing and measurement of fiber parameters)
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