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01213 am a22001933u 4500 |
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350153 |
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|a Wang, Pengfei
|e author
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|a Ding, M.
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|a Bo, L.
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|a Semenova, Y.
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|a Wu, Q.
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|a Farrell, G.
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|a A silica single-mode fibre-chalcogenide multimode fibre-silica single-mode fibre structure
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|c 2012-12-31.
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|z Get fulltext
|u https://eprints.soton.ac.uk/350153/1/361_1422_1_PB.pdf
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|a In this letter we theoretically and experimentally investigate a single-mode-multimode-single-mode (SMS) structure based on chalcogenide (As2S3) multimode fibre and silica single-mode fibres. The experimental results show a general agreement with the numerical simulation results based on a wide angle-beam propagation method (WA-BPM). Multimode interference variation was observed as a result of photo-induced refractive index changes arising from either localized laser irradiation at a wavelength of 405 nm or the use of a UV lamp. Our result provides a platform for the development of compact, high-optical-quality, and robust photonic nonlinear devices.
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