Mode transition in conventional step-index optical fibers

Xiaokang Lian, Gerald Farrell, Qiang Wu, Wei Han, Fangfang Wei, Yuliya Semenova

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    2 Citations (Scopus)

    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.

    Original languageEnglish
    Title of host publication2019 18th International Conference on Optical Communications and Networks, ICOCN 2019
    Place of PublicationPiscataway
    PublisherIEEE
    Number of pages3
    ISBN (Electronic)9781728127644
    DOIs
    Publication statusPublished - 5 Aug 2019
    Event18th International Conference on Optical Communications and Networks, ICOCN 2019 - Huangshan, China
    Duration: 5 Aug 20198 Aug 2019

    Publication series

    Name2019 18th International Conference on Optical Communications and Networks, ICOCN 2019

    Conference

    Conference18th International Conference on Optical Communications and Networks, ICOCN 2019
    Country/TerritoryChina
    CityHuangshan
    Period5/08/198/08/19

    Keywords

    • mode transition
    • optical fiber cladding
    • Optical fiber dispersion
    • step-index optical fiber
    • Talbot and self-imaging effect

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