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Updated: Jul 4, 2026

In-situ Tapering of Chalcogenide Fiber for Mid-infrared Supercontinuum Generation
Published on: May 27, 2013
Supercontinuum generation in a water-core photonic crystal fiber
Alexandre Bozolan1, Christiano J de Matos, Cristiano M Cordeiro
1Laboratório de Comunicações Opticas e Fotônica, Univ. Presbiteriana Mackenzie, São Paulo, SP, Brazil. bozolan@sel.eesc.usp.br
Abstract:
Supercontinuum generation is demonstrated in a 5-cm-long water-core photonic crystal fiber pumped near water's zero-dispersion wavelength. Up to 500-nm spectral width (evaluated at -20 dB from the peak) is achieved, while spectral widths were over 4 times narrower with a bulk setup at the same wavelength and peak power, and over 3 times narrower if the PCF was pumped away from the zero-dispersion wavelength. The supercontinuum generation mechanisms for bulk and waveguide setups are compared and tuning of the zero-dispersion wavelength via waveguide dispersion is theoretically investigated.
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