Mode characteristics of few-mode optical fibers with assistant cores

被引：2
作者：
Chen, Ming-Yang [1 ]
Wei, Jin [1 ]
Chang, Li-Jun [1 ]
Sheng, Yong [2 ]
Ren, Nai-Fei [2 ]
机构：
[1] Jiangsu Univ, Inst Optoelect & Opt Commun Technol, Zhenjiang 212013, Jiangsu, Peoples R China
[2] Jiangsu Univ, Jiangsu Prov Key Lab Sci & Technol Photon Mfg, Zhenjiang 212013, Jiangsu, Peoples R China
来源：
OPTICAL ENGINEERING | 2015年 / 54卷 / 10期
关键词：
few-mode optical fiber; two-mode operation; mode coupling; PHOTONIC CRYSTAL FIBER; BANDGAP FIBER; BROAD-BAND; DESIGN; TRANSMISSION; PROPAGATION; PERFORMANCE;
D O I：
10.1117/1.OE.54.10.106107
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The mode characteristics of few-mode step-index optical fibers composed of a center core and a few assistant cores are investigated. Each fourfold mode in the optical fiber can be split into two twofold modes, avoiding strong mode coupling during the transmission process. In addition, two-mode operation in the fiber with a wide wavelength range of 1.42 to 1.9 mu m is demonstrated numerically. We also investigated the coupling characteristics of the two-core configuration that can effectively separate the LP01 and LP11 modes. (C) 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)
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页数：6
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