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Highly-efficient, octave spanning soliton self-frequency shift using a specialized photonic crystal fiber with low OH loss.

Centre for Ultrahigh-Bandwidth Devices for Optical Systems, Institute of Photonics and Optical Science, School of Physics, The University of Sydney, NSW 2006, Australia.
Optics Express (Impact Factor: 3.53). 08/2011; 19(18):17766-73. DOI: 10.1364/OE.19.017766
Source: PubMed

ABSTRACT We report the first demonstration of efficient, octave spanning soliton self-frequency shift. In order to achieve this we used a photonic crystal fiber with reduced OH absorption and widely spaced zero-dispersion wavelengths. To our knowledge, this is the largest reported frequency span for a tunable, fiber-based source. In addition, we observe the generation of light above 2 μm directly from a Ti:Sapphire laser in the form of Cerenkov emission by the soliton when the red-shift saturates at the edge of the anomalous dispersion region.

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