- Femtosecond third-order nonlinear spectra of lead-germanium oxide glasses containing silver nanoparticles.
Femtosecond third-order nonlinear spectra of lead-germanium oxide glasses containing silver nanoparticles.
Optics express (2012-03-16)
Leonardo De Boni, Emerson C Barbano, Thiago A de Assumpção, Lino Misoguti, Luciana R P Kassab, Sergio C Zilio
PMID22418567
ABSTRACT
This work reports on the spectral dependence of both nonlinear refraction and absorption in lead-germanium oxide glasses (PbO-GeO₂) containing silver nanoparticles. We have found that this material is suitable for all-optical switching at telecom wavelengths but at the visible range it behaves either as a saturable absorber or as an optical limiter.
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