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An octave spanning spectrum is generated in an As2S3 taper via 77 pJ pulses from an ultrafast fiber laser. Chirp compensation allows the octave to be generated directly from the un-amplified laser output.
We demonstrate broadband low power supercontinuum generation in arsenic sulphide (As2S3) tapered fiber nanowires with an effective area ~0.8 μm2 and nonlinearity γ = 12,400 W-1 km-1. Simulations showed good agreement between theory and experiment.
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