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Highly nonlinear chalcogenide fibres for all-optical signal processing

机译:Highly nonlinear chalcogenide fibres for all-optical signal processing

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摘要

Chalcogenide glasses offer many attractive properties for all-optical signal processing including large Kerr nonlinearity (up to 500 x silica glass), an intrinsic ultrafast response time and low to moderate two-photon absorption (TPA). These properties together with the convenience of a fibre format allow us to achieve all-optical signal processing at low peak power and in a very compact form. In this paper, several nonlinear processing functions will be demonstrated including: femto-second pedestal free, pulse compression; all-optic wavelength conversion; and all-optical regenerator. In addition, we show enhanced nonlinearity for more efficient signal processing by tapering the As2Se3 fibre. These applications show chalcogenide glass fibres are very promising candidate materials for nonlinear all-optic signal processing.

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