半导体光子学与技术, 2007, 13 (4): 256, 网络出版: 2011-08-18   

Supercontinuum Generation in Normal-dispersion Photonic Crystal Fiber Using Picosecond Pulse

Supercontinuum Generation in Normal-dispersion Photonic Crystal Fiber Using Picosecond Pulse
作者单位
Key Laboratory of Optical Communication and Lightwave Technologies, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing 100876, CHN
摘要
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.

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. 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.

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