Journal
JOURNAL OF NON-CRYSTALLINE SOLIDS
Volume 475, Issue -, Pages 167-171Publisher
ELSEVIER
DOI: 10.1016/j.jnoncrysol.2017.09.002
Keywords
Chalcogenide glasses; Raman spectroscopy and scattering; Optical properties; Nonlinear optics
Funding
- National Natural Science Foundation of China [61435009, 61675106]
- K.C. Wong Magna Fund in Ningbo University
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A series of copper doped germanium-gallium-sulfur (GGS-Cu) chalcogenide glasses were synthesized by melt quenching method. Raman spectra showed that the introduction of Cu could alter the main structure of GGS network, leading to modification of thermal, mechanical and optical properties of the GGS glasses, even at very low doping level. Femtosecond Z-scan measurements were employed to study the third-order optical non-linearities (TONL) of the GGS-Cu glasses at wavelength of 1550 nm. Significant improvement of TONL performance due to the Cu doping was observed, and its possible mechanism was studied.
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