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One-core to two-core single mode fiber coupling analysis based on beam propagation method
Yuan Libo *,Liu Zhihai,Yang Jun #,Guan Chunying
Harbin Engineering University
*Correspondence author
#Submitted by
Subject:
Funding: 教育部博士点基金,国家自然科学基金（No.20050217014,60577005）
Opened online: 4 January 2009
Accepted by: none
Citation: Yuan Libo,Liu Zhihai,Yang Jun.One-core to two-core single mode fiber coupling analysis based on beam propagation method[OL]. [ 4 January 2009] http://en.paper.edu.cn/en_releasepaper/content/27259
 
 
A simple coupling approach between a one-core and a two-core single mode fiber has been proposed and demonstrated. By way of splicing and tapering at the fusion point of one-core single mode fiber and the two-core single mode fiber, an effective coupling technique is implemented. The coupling processing is simulated by the beam propagation method. The effects of the two cores of the two-core fiber non-symmetry and the refractive index of each core slightly deferent are also investigated. The theoretical prediction is confirmed by the experimental results and the difference between simulation and experimental results is also discussed.
Keywords:fiber optic coupler;two-core fiber;beam propagation method
 
 
 

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