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Conferences > OFC > 2018 > Th4B > Th4B.2

Giant Faraday rotation in gadolinium doped silica optical fibers for high performance optical isolators

Rand Ismaeel, Ali Masoudi, Yun Wang, Wanvisa Talataisong, Norberto Chiodini, Timothy Lee, Martynas Beresna, and Gilberto Brambilla

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Abstract

Silica fibres doped with small (<1 mol%) concentrations of gadolinium ions have been fabricated and tested in a 1T magnetic field showing a Faraday rotation two orders of magnitude larger than that reported in conventional telecom fibres. This is the largest Faraday rotation ever reported in low-loss optical fibers and could pave the way for a new class of optical isolators.

© 2018 The Author(s)

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