| 掺锗硅基高非线性光纤超连续光源研究 |
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| 引用本文： | 马鸿志,许立新,王安廷,顾春,高伟清,明海.掺锗硅基高非线性光纤超连续光源研究[J].光学与光电技术,2008,6(5):29-32. |
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| 作者姓名： | 马鸿志 许立新 王安廷 顾春 高伟清 明海 |
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| 作者单位： | 中国科学技术大学物理系安徽省光电子科学与技术重点实验室,安徽,合肥,230026 |
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| 摘 要： | 利用非线性偏振旋转锁模掺铒光纤激光器和1100m长的掺锗硅基高非线性光纤制作了超连续光源，获得了从1150～1750nm的超宽带输出光谱，其中1150～1350nm波段光谱起伏小于3dB，1600～1700nm波段平坦度优于1dB，并有很好的向长波延展空间。光谱展宽的机理为孤子分裂与受激拉曼散射，而四波混频使光谱进一步展宽。
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| 关 键 词： | 超连续光谱 高非线性光纤 掺铒光纤锁模激光器 孤子分裂 非线性偏振旋转 |
| 收稿时间： | 2008/4/20 |
Supercontinuum Generation in High Nonlinear Germano-Silicate Fiber |
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| MA Hong-zhi,XU Li-xin,WANG An-ting,GU Chun,GAO Wei-qing,MING Hai.Supercontinuum Generation in High Nonlinear Germano-Silicate Fiber[J].optics&optoelectronic technology,2008,6(5):29-32. |
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| Authors: | MA Hong-zhi XU Li-xin WANG An-ting GU Chun GAO Wei-qing MING Hai |
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| Institution: | MA Hong-zhi XU Li-xin WANG An-ting GU Chun GAO Wei-qing MING Hai(Department of Physics & Anhui Key laboratory of Optoelectronics Science , Technology,University of Science , Technology of China,Hefei 230026,China) |
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| Abstract: | A supercontinuum generation in 1 100 m germano-silicate high nonlinear fiber is demonstrated. An ultra-broad- band supercontinuum of 1 150～1 750 nm is achieved. The ripple between 1 150 nm and 1 350 nm is less than 3 dB, and the ripple between 1 600 nm and 1 700 nm is less than 1 dB. The supercontinuum is expected to extend broadly in wavelength over 1750 nm. A nonlinear Schroedinger equation model is adopted to indicate the spectral broadening mechanism is soliton fission and stimulated Raman scattering in soliton, and four wave mixing also plays an important role. |
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| Keywords: | supercontinuum high nonlinear fiber mode-locked Er-doped fiber laser soliton fission nonlinear polarization rotation |
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