Orbital angular momentum modes by twisting of a hollow core antiresonant fiber

Alessio Stefani, Boris T. Kuhlmey, Simon Fleming

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    Abstract

    Generation and use of orbital angular momentum (OAM) of light is finding more and more interest in a wide variety of fields of photonics: communications, optical trapping, quantum optics, and many more [1]. In the investigation of such behavior, twisting of photonic crystal fibers shows interesting physical phenomena [2]. We previously reported the ability to create helical hollow fibers by mechanically twisting a tube lattice fiber made of polyurethane, the twist of which can be adjusted and reversed [3]. In this work we report how such deformation induces a mode transformation to an OAM mode, allowing a simple and tunable way to generate OAM modes. We take advantage of THz time domain spectroscopy to obtain information on both intensity and field components, and to be able to investigate how they change both in time and with frequency.
    Original languageEnglish
    Title of host publication2017 Conference on Lasers and Electro-optics Europe and European Quantum Electronics Conference
    Number of pages1
    PublisherIEEE
    Publication date2017
    ISBN (Print)978-1-5090-6736-7
    DOIs
    Publication statusPublished - 2017
    EventThe 2017 European Conference on Lasers and Electro-Optics - Munich, Germany
    Duration: 25 Jun 201729 Jun 2017
    http://www.cleoeurope.org/

    Conference

    ConferenceThe 2017 European Conference on Lasers and Electro-Optics
    Country/TerritoryGermany
    CityMunich
    Period25/06/201729/06/2017
    Internet address

    Keywords

    • Optical fiber polarization
    • Optical fiber communication
    • Extraterrestrial measurements
    • Photonics
    • Optical imaging

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