Soliton self-frequency shift effects in photonic crystal fibre
- 1 April 2002
- journal article
- research article
- Published by Taylor & Francis in Journal of Modern Optics
- Vol. 49 (5) , 757-767
- https://doi.org/10.1080/09500340110099171
Abstract
Using a femtosecond Ti:sapphire laser operating at a wavelength of 810nm we have demonstrated infrared generation in photonic crystal fibre at distinct wavelengths which can be attributed to the soliton self-frequency shift effect. The maximum observed shift produced spectra centred at 1260nm and the frequency-shifted light accounted for up to 80% of the fibre output power. We show that the shifts can be explained by the dispersion properties of the fundamental and higher-order waveguide modes of the fibre.Keywords
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