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Article Dans Une Revue Journal of Non-Crystalline Solids Année : 2021

Large third-order optical nonlinearity of non-stoichiometric chalcogenide glasses within Ge-In-S ternary system

Yinwei Yang
  • Fonction : Auteur
Oumar Ba
  • Fonction : Auteur
Shixun Dai
  • Fonction : Auteur
Feifei Chen
  • Fonction : Auteur
Georges Boudebs

Résumé

Third-order optical nonlinearity (TONL) of chalcogenide glasses (ChGs) in Ge-In-S (GIS) ternary system is characterized at two near-infrared wavelengths of 0.8 μm and 1.064 μm. It is found that the GIS ChGs with non-stoichiometric compositions exhibit extremely large TONL properties, and its origin has been explained from both aspects of glass structure and wavelength-dispersion dependence of the TONL properties. Nevertheless, calculation of figure of merits indicates that the GIS ChGs are suitable for n2-based TONL optical devices at long wavelength, while suitable for β-based devices at short wavelength
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Dates et versions

hal-03147964 , version 1 (22-02-2024)

Identifiants

Citer

Yinwei Yang, Oumar Ba, Shixun Dai, Feifei Chen, Georges Boudebs. Large third-order optical nonlinearity of non-stoichiometric chalcogenide glasses within Ge-In-S ternary system. Journal of Non-Crystalline Solids, 2021, 554, pp.120581. ⟨10.1016/j.jnoncrysol.2020.120581⟩. ⟨hal-03147964⟩

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