Third-order optical nonlinearity properties of CdCl2-modifed Ge–Sb–S chalcogenide glasses

Third-order optical nonlinearity properties of CdCl2-modifed Ge–Sb–S chalcogenide glasses

•We proposed a new type of chalcohalide glasses with physicochemical and nonlinear optical properties that are tunable by composition.•More than 60% CdCl2 can be dissolved into Ge–Sb–S chalcogenide glasses, with it, nonlinear refractive index (n2) is ten times to typical chalcogenide glasses.•The fi...

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Veröffentlicht in:Journal of non-crystalline solids 2020-01, Vol.528, p.119757, Article 119757
Hauptverfasser: Lu, Xiaosong, Li, Jianhui, Yang, Lu, Zhang, Runan, Zhang, Yindong, Ren, Jing, Galca, Aurelian Catalin, Secu, Mihail, Farrell, Gerald, Wang, Pengfei
Format: Artikel
Sprache:eng
Schlagworte:
Chalcohalide glasses
Third-order optical nonlinearity
Two-photon absorption
Z-scan technique
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Zusammenfassung:•We proposed a new type of chalcohalide glasses with physicochemical and nonlinear optical properties that are tunable by composition.•More than 60% CdCl2 can be dissolved into Ge–Sb–S chalcogenide glasses, with it, nonlinear refractive index (n2) is ten times to typical chalcogenide glasses.•The figure of merit (FOM) in third-order optical nonlinearity can be optimized to meet the requirement (FOM
ISSN:0022-3093
1873-4812
DOI:10.1016/j.jnoncrysol.2019.119757