Design and optimization of weakly-coupled few-mode fiber with low nonlinearity

被引：0
|
作者：
刘俊彦 [1 ]
张杰 [1 ]
韩佳巍 [1 ]
高冠军 [1 ]
赵永利 [1 ]
顾畹仪 [1 ]
机构：
[1] State Key Laboratory of Information Photonics and Optical Communications,Beijing University of Posts and Telecommunications
来源：
Chinese Optics Letters | 2014年 / 12卷 / 03期
基金：
中国国家自然科学基金;
关键词：
mode; Design and optimization of weakly-coupled few-mode fiber with low nonlinearity;
D O I：
暂无
中图分类号：
TN253 [光纤元件];
学科分类号：
0702 ; 070207 ;
摘要：
By investigating the influence of the difference of refractive index between core and cladding(nco-ncl),normalized frequency(V)and core radius(α)on both the intramodal and intermodal nonlinear coefficients(NCs)respectively,we design a novel weakly-coupled four-mode fiber with low nonlinearity.In general,under the premise of ensuring the low NCs between two non-degenerate modes,this design can reduce the intermodal NCs(<0.5 W-1·km-1)between two degenerate modes and optimizes the parameters of differential group delays(DGDs)and chromatic dispersion.The optimized few mode fiber(FMF)is eligible for transmission and mode de-multiplexing in the receiver.
引用
收藏
页码：12 / 14
页数：3
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