Open AccessUltrafast nonlinearity of antimony polyphosphate glasses
Author(s) -
Edílson L. Falcão-Filho,
C. A. C. Bosco,
Glauco S. Maciel,
Cid B. de Araújo,
L. H. Acioli,
Marcelo Nalin,
Younès Messaddeq
Publication year - 2003
Publication title -
applied physics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.182
H-Index - 442
eISSN - 1077-3118
pISSN - 0003-6951
DOI - 10.1063/1.1601679
Subject(s) - antimony , ultrashort pulse , polyphosphate , materials science , refractive index , shutter , antimony oxide , kerr effect , lead oxide , optics , absorption (acoustics) , nonlinear optics , analytical chemistry (journal) , oxide , nonlinear system , optoelectronics , chemistry , laser , physics , metallurgy , phosphate , organic chemistry , chromatography , quantum mechanics , composite material
We report on the ultrafast nonlinearity of antimony polyphosphate glasses measured using the Kerr shutter technique. The nonlinear refractive index, n2, was (1.1±0.2)×10−14 cm2/W at 800 nm, and enhancement of n2 by ≈80% was observed by adding 10% of lead oxide in the glass composition. The full width at half-maximum of the third-order correlation signal was 150 fs, which implies a fast response of the samples (⩽100 fs). Nonlinear absorption was negligible in the range of intensities used.
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