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Improved large-mode-area Bragg fiber

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【Author】 Peiguang Yan 1 , Jian Zhao 1 , Shuangchen Ruan 1 , Junqing Zhao 1 , Geguo Du 1 , Huifeng Wei 2 , Xiang Li 3 , and Shengping Chen 3 1 College of Electronic Science and Technology, Shenzhen University, Shenzhen 518060, China 2 Yangtze Optical Fiber and Cable Company Ltd Research Center, Wuhan 430073, China 3 College of Optoelectric Science and Engineering, National University of Defense Technology, Changsha 410073, China

【机构】 College of Electronic Science and Technology, Shenzhen University； Yangtze Optical Fiber and Cable Company Ltd Research Center； College of Optoelectric Science and Engineering, National University of Defense Technology；

【摘要】 A novel large-mode-area Bragg fiber (BF) is proposed for selectively suppressing the amplified spontaneous emission (ASE) of Yb. Confinement loss can be effectively lowered by adding a layer of F-doped glass near the core of this fiber. The BF can achieve effective suppression of ASE of Yb when the bend radius is 0.15 m at wavelength lower than 1.13 μm in theory, and eliminate LP 11 mode in mode competition in wavelength range of 1.15 1.2 μm.更多还原

【Abstract】 A novel large-mode-area Bragg fiber (BF) is proposed for selectively suppressing the amplified spontaneous emission (ASE) of Yb. Confinement loss can be effectively lowered by adding a layer of F-doped glass near the core of this fiber. The BF can achieve effective suppression of ASE of Yb when the bend radius is 0.15 m at wavelength lower than 1.13 μm in theory, and eliminate LP 11 mode in mode competition in wavelength range of 1.15 1.2 μm.更多还原

【关键词】 Bragg； eliminate； adding； suppression； competition； suppressing； refractive； photonic； confinement； silica；

【基金】 supported by the National Natural Science Foundation of China (Nos. 61007054 and 10904173);the Natural Science Foundation of Guangdong Province(No. 9451806001002428);the Science Technology Program of Shenzhen City (No. 200718)

【文献出处】 Chinese Optics Letters ,中国光学快报(英文版) , 编辑部邮箱 ,2011年06期

【分类号】TN253
【被引频次】1
【下载频次】66

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