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Long, low loss etched As2S3 chalcogenide waveguides for all-optical signal regeneration

Madden, Steve; Bulla, Douglas; Rode, Andrei V; Luther-Davies, Barry; Ta'eed, Vahid G; Pelusi, Mark; Eggleton, Benjamin J; Choi, Duk-Yong


We report on the fabrication and optical properties of etched highly nonlinear As2S3 chalcogenide planar rib waveguides with lengths up to 22.5 cm and optical losses as low as 0.05 dB/cm at 1550 nm - the lowest ever reported. We demonstrate strong spectral broadening of 1.2 ps pulses, in good agreement with simulations, and find that the ratio of nonlinearity and dispersion linearizes the pulse chirp, reducing the spectral oscillations caused by self-phase modulation alone. When combined...[Show more]

CollectionsANU Research Publications
Date published: 2007-10-18
Type: Journal article
Source: Optics Express
DOI: 10.1364/OE.15.014414


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