FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Design and Fabrication of an Er-Doped Silica Optical Fiber with Six Photosensitive Subcores |
LI Jian1,2,3, WANG Jing1,2, LIU Peng1,2,4, LU Shao-Hua1,2, MAO Xiang-Qiao1,2, JIANG Wei-Wei1,2, NING Ti-Gang1,2, JIAN Shui-Sheng 1,2 |
1Institute of Lightwave Technology, Beijing Jiaotong University, Beijing 1000442Key Lab of All Optical Network and Advanced Telecommunication Network of EMC, Beijing Jiaotong University, Beijing 1000443Signal & Communicaiton Research Institute, China Academy of Railway Sciences, Beijing 1000814Department of Physics, Xingtai College, Xingtai 054001 |
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Cite this article: |
LI Jian, WANG Jing, LIU Peng et al 2009 Chin. Phys. Lett. 26 074209 |
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Abstract A type of multi-core Er-doped photosensitive silica optical fiber (MC-EDPF) is proposed and fabricated, in which a high consistency Er-doped core is surrounded by six high consistency Ge-doped cores. The multi-core design can overcome the difficulties encountered in the design and fabrication of single-core EDPFs through a modified chemical vapor deposition method combined with solution doping technology, and there is a conflict between high consistency Er doping and high consistency Ge doping. The absorption of MC-EDPFs achieved 15.876dB/m at 1550nm and 10dB/m at 980nm. The reflectivity of the fiber Bragg gratings (FBGs) written directly on the MC-EDPFs is as much as 96.84%.
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Keywords:
42.81.Qb
42.55.Wd
42.55.Rz
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Received: 17 October 2008
Published: 02 July 2009
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PACS: |
42.81.Qb
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(Fiber waveguides, couplers, and arrays)
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42.55.Wd
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(Fiber lasers)
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42.55.Rz
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(Doped-insulator lasers and other solid state lasers)
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Abstract
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