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Conferences > LAC > 2021 > JM3A > JM3A.32

Spectral mode filtering in the single-mode optical fiber by adding high-index absorbing rods into silica cladding

S.S. Aleshkina, M. Yu. Salganskii, M.V. Yashkov, V.V. Velmiskin, A.N. Denisov, N. Abramov A., N. Guryanov A., M.M. Bubnov, and M.E. Likhachev

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Abstract

Efficient spectral filtering was demonstrated in a single-mode optical fiber by insert high-index rods into the silica cladding. Spectrally selective core mode suppression due to different mechanisms (absorption in high-index rods and enhanced mode leakage near the resonance) was demonstrated.

© 2021 The Author(s)

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