Coupling analyses of LPom modes with optical fiber gratings in multimode fiber and their application in mode-division multiplexing transmission

被引：11
作者：
Fang, Liang [1 ]
Jia, Hongzhi [1 ]
机构：
[1] Shanghai Univ Sci & Technol, Sch Opt Elect & Comp Engn, Shanghai Key Lab Modern Opt Syst, Engn Res Ctr Opt Instrument & Syst,Minist Educ, Shanghai 200093, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2014年 / 322卷
关键词：
Higher order mode (HUM); Optical fiber gratings; Mode-division multiplexing (MDM); COUPLERS;
D O I：
10.1016/j.optcom.2014.02.033
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Coupling characteristics of core higher order modes LP0, with optical fiber gratings written in step -index multimode fiber (MMF) and their application in mode-division multiplexing (MDM) transmission are presented and analyzed in this article. Several long-period fiber gratings (LPFGs) cascaded in one NEUF can realize conversion between any two core modes, HEi, (rn = 1,2.3,...,6) in other words and scalar mode LP0, in mode order from low to high. These eigenmodes supported in fiber as independent data channels are theoretically proposed to be multiplexed in one WV by the combination of LPFGs and fiber Bragg gratings (FBGs) united with optical circulators as both multiplexers and de-multiplexers. This method of flexible mode conversion using optical gratings can be practically significant on fiber communication as a mode-selective converter. (c) 2014 Elsevier B.V. All rights reserved
引用
收藏
页码：118 / 122
页数：5
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