Supercontinuum generation from zinc borate glasses: bandgap versus rare-earth doping

We report an enhanced supercontinuum generation (SCG) from a rare-earth ( ) doped low bandgap zinc borate glass when excited with 60 fs pulses from a Ti-sapphire laser. The emission associated with the absorption bands due to doping (around 420-500 and 580-600 nm) is observed to assist the enhanced...

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Bibliographic Details
Published in:Optics letters 2021-03, Vol.46 (6), p.1201-1204
Main Authors: Neethish, M M, Kumar, V V Ravi Kanth, Nalam, Samuel Anurag, Harsha, S Sree, Kiran, P Prem
Format: Article
Language:English
Subjects:
Absorption spectra
Doping
Energy gap
Rare earth elements
Sapphire
Termites
Zinc borate
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Summary:We report an enhanced supercontinuum generation (SCG) from a rare-earth ( ) doped low bandgap zinc borate glass when excited with 60 fs pulses from a Ti-sapphire laser. The emission associated with the absorption bands due to doping (around 420-500 and 580-600 nm) is observed to assist the enhanced SCG.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.418594