Mode Transition in Conventional Step-Index Optical Fibers

Lian, Xiaokang, Farrell, Gerald, Wu, Qiang, Han, Wei, Wei, Fangfang and Semenova, Yuliya (2019) Mode Transition in Conventional Step-Index Optical Fibers. In: 2019 18th International Conference on Optical Communications and Networks (ICOCN). IEEE, Piscataway, pp. 1-3. ISBN 9781728127644

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Abstract

The discrete self-imaging effect reveals the distinct properties of cladding modes with core modes in step-index optical fibers, as was shown in our previous work [1], where only the linearly polarized LP0n modes were studied. In this paper, the dispersion diagram of the first 17 vector modes (TE0n, TM0n, HEmn and EHmn) and the related first 9 LPmn modes are calculated by both the full-vector finite element method and the graphical method with a three-layer step-index optical fiber model. The cladding modes distributions and the transitions between the core and cladding modes are analyzed. The results of this work are intended to enrich the knowledge and understanding of modal characteristics of conventional step-index optical fibers.

Item Type:	Book Section
Uncontrolled Keywords:	Optical fiber dispersion, mode transition, optical fiber cladding, step-index optical fiber, Talbot and self-imaging effect
Subjects:	F300 Physics
Department:	Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User:	John Coen
Date Deposited:	04 May 2020 12:30
Last Modified:	04 May 2020 12:30
URI:	http://nrl.northumbria.ac.uk/id/eprint/42996

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