| Supercontinuum Generation in Normal-dispersion Photonic Crystal Fiber Using Picosecond Pulse |
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| 引用本文： | YAO Li HE Li YANG Bo-jun. Supercontinuum Generation in Normal-dispersion Photonic Crystal Fiber Using Picosecond Pulse[J]. 半导体光子学与技术, 2007, 13(4): 256-260 |
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| 作者姓名： | YAO Li HE Li YANG Bo-jun |
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| 作者单位： | Key Laboratory of Optical Communication and Lightwave Technologies,Ministry of Education, Beijing University of Posts and Telecommunications, Beijing 100876, CHN |
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| 基金项目： | 国家自然科学基金，Public Construction Foundation of Beijing City |
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| 摘 要： | Studied is the Super-continuum （SC） generation of a normal-dispersion photonic crystal fiber （PCF） using picosecond pulse excitation. In experimental analyses, a 237 nm broadband infrared continuum was generated pumped at 1 550 nm（normal dispersion regime） by 1.6 ps pulses from an erbium-doped fiber laser. In addition, we conduct the numerical analyses of SC based on generalized nonlinear Schr dionger equation. The results have been applied to investigate the dominant physical processes underlie the generation - of SC. We conclude that dispersion, self-phase modulation （SPM）, four-wave-mixing （FWM） and Raman scattering are determinants of SC generation rather than fission of soliton in normal-dispersion PCF.
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| 关 键 词： | 超连续体 光纤通信 晶体纤维 物理学 |
| 文章编号： | 1007-0206（2007）04-0256-05 |
| 收稿时间： | 2007-09-20 |
| 修稿时间： | 2007-10-30 |
Supercontinuum Generation in Normal-dispersion Photonic Crystal Fiber Using Picosecond Pulse |
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| YAO Li,HE Li,YANG Bo-jun. Supercontinuum Generation in Normal-dispersion Photonic Crystal Fiber Using Picosecond Pulse[J]. Semiconductor Photonics and Technology, 2007, 13(4): 256-260 |
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| Authors: | YAO Li HE Li YANG Bo-jun |
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| Abstract: | Studied is the Super-continuum(SC) generation of a normal-dispersion photonic crystal fiber(PCF) using picosecond pulse excitation. In experimental analyses, a 237 nm broadband infrared continuum was generated pumped at 1 550 nm(normal dispersion regime) by 1.6 ps pulses from an erbium-doped fiber laser. In addition, we conduct the numerical analyses of SC based on generalized nonlinear Schr dionger equation. The results have been applied to investigate the dominant physical processes underlie the generation of SC. We conclude that dispersion, self-phase modulation(SPM),four-wave-mixing(FWM) and Raman scattering are determinants of SC generation rather than fission of soliton in normal-dispersion PCF. |
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| Keywords: | supercontinuum photonic crystal fiber picosecond |
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