Supercontinuum generation in a highly nonlinear photonic crystal fiber with a convex chromatic dispersion profile

Yong-Zhao Xu; Xia Zhang; Yong-Qing Huang; Xiao-Min Ren

doi:10.1117/12.667007

28 January 2006 Supercontinuum generation in a highly nonlinear photonic crystal fiber with a convex chromatic dispersion profile

Yong-Zhao Xu, Xia Zhang, Yong-Qing Huang, Xiao-Min Ren

Author Affiliations +

Proceedings Volume 6025, ICO20: Optical Communication; 60250I (2006) https://doi.org/10.1117/12.667007
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

Abstract

A theoretical study of flat supercontinuum (SC) generation in a highly nonlinear photonic crystal fiber (PCF) is presented. We propose a chromatic dispersion profile of a highly nonlinear PCF for flatly broadened SC generation around 1550nm. The proposed chromatic dispersion profile of the fiber which is a convex function of wavelengths has small normal group-velocity dispersion at the pump wavelength and the dispersion slope around which is flat. It is found that the fiber with such dispersion characteristics is suitable for generating a relatively flat SC. The initial chirp of the input pulse also has a significant effect on SC generation in photonic crystal fiber. A flatter and wider spectrum can be obtained by the pulse with appropriate positive initial chirp.

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Yong-Zhao Xu, Xia Zhang, Yong-Qing Huang, and Xiao-Min Ren "Supercontinuum generation in a highly nonlinear photonic crystal fiber with a convex chromatic dispersion profile", Proc. SPIE 6025, ICO20: Optical Communication, 60250I (28 January 2006); https://doi.org/10.1117/12.667007

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