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Extending of flat normal dispersion profile in all-solid soft glass nonlinear photonic crystal fibres

Siwicki B., Kasztelanic R., Klimczak M., Cimek J., Pysz D., Stępień R. and Buczyński R.

Journal of Optics

18 (6), 2016, art. 065102, 10.1088/2040-8978/18/6/065102

The bandwidth of coherent supercontinuum generated in optical fibres is strongly determined by the all-normal dispersion characteristic of the fibre. We investigate all-normal dispersion limitations in all-solid oxide-based soft glass photonic crystal fibres with various relative inclusion sizes and lattice constants. The influence of material dispersion on fibre dispersion characteristics for a selected pair of glasses is also examined. A relation between the material dispersion of the glasses and the fibre dispersion has been described. We determined the parameters which limit the maximum range of flattened all-normal dispersion profile achievable for the considered pair of heavy-metal-oxide soft glasses.


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