Paper
1 July 2015 Excitation characteristics of seven-core fiber in splicing process
Jing Yang, Bo Sun, Yihang Xu, Gongdai Chen, Yang Liu, Chunying Guan, Libo Yuan
Author Affiliations +
Proceedings Volume 9655, Fifth Asia-Pacific Optical Sensors Conference; 96552F (2015) https://doi.org/10.1117/12.2184237
Event: Fifth Asia Pacific Optical Sensors Conference, 2015, Jeju, Korea, Republic of
Abstract
In this paper, we analyzed the mode field distributions of the seven-core fiber consisting of a central core and six symmetrically surrounding single mode cores in a common cladding by the finite element method (FEM). The excitation characteristics in the splicing process between the seven-core fibers were numerically investigated. The efficiency of the fundamental mode excited by the incident light was studied by calculating the excitation coefficients in two cases, in which a lateral offset and a rotation offset are introduced between the two fiber ends, respectively. The results show that the excitation coefficient of the fundamental mode decreases from 1.0 to 0.1816 when the lateral offset increases from 0 to 9 μm. Similarly, when the rotation offset increases gradually from 0º to 10º, the excitation coefficient of the fundamental mode in the six surrounding cores gradually and synchronously decreases from 1.0 to 0.1779, while that of the central core is always constant.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jing Yang, Bo Sun, Yihang Xu, Gongdai Chen, Yang Liu, Chunying Guan, and Libo Yuan "Excitation characteristics of seven-core fiber in splicing process", Proc. SPIE 9655, Fifth Asia-Pacific Optical Sensors Conference, 96552F (1 July 2015); https://doi.org/10.1117/12.2184237
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KEYWORDS
Finite element methods

Cladding

Fiber characterization

Magnetism

Optical fibers

Engineering education

Integrated optics

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