Electrooptic control of the modal distribution in a silicate fiber

João M. B. Pereira, Lars Grüner-Nielsen, Karsten Rottwitt, Graham Town, Fredrik Laurell, Walter Margulis

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We demonstrate the use of the electrooptic effect to control the propagation constant of the guided modes in silicate few mode fibers with internal electrodes. The electrooptic effect induces a perturbation of the fiber’s refractive index profile that controls intermodal interference. To increase the electrooptic effect the silicate fibers are poled. The response time is in the nanosecond range.
Original languageEnglish
Article number12474
JournalOptics Express
Issue number8
Number of pages10
Publication statusPublished - 2022


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