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Dispersion in nonlinear figure of merit of As2Se3 chalcogenide fibre

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4 Author(s)
Nguyen, H.C. ; Centre for Ultrahigh-bandwidth Devices for Opt. Syst., Univ. of Sydney, NSW, Australia ; Finsterbusch, K. ; Moss, D.J. ; Eggleton, B.J.

Wavelength-dependent measurements of the nonlinear figure of merit (FOM) in a highly nonlinear As2Se3 chalcogenide fibre, from 1415 to 1554 nm, are presented. It is found that the FOM decreases monotonically towards shorter wavelengths, as the material half-bandgap is approached. The FOM > 1 for wavelengths above 1450 nm suggests applications for nonlinear optics in the C-band.

Published in:

Electronics Letters  (Volume:42 ,  Issue: 10 )