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Large third‐order optical nonlinearity of chalcogenide glasses within gallium‐tin‐selenium ternary system
Author(s) -
Chen Feifei,
Zhang Jiao,
Cassagne Christophe,
Boudebs Georges
Publication year - 2020
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/jace.17272
Subject(s) - chalcogenide , selenium , tin , germanium , ternary operation , gallium , materials science , figure of merit , chalcogenide glass , absorption (acoustics) , optoelectronics , photonics , optics , metallurgy , physics , computer science , silicon , composite material , programming language
We explore the third‐order optical nonlinear properties of arsenic‐ and germanium‐free chalcogenide glasses (ChGs) within a gallium‐tin‐selenium (Ga‐Sn‐Se, GSS) ternary system at wavelength of 1.064 μm in the picosecond region. A classical characterization showing the values of the absorption and the linear index will be given. Then, using D4σ‐Z‐scan technique, both nonlinear refractive index ( n 2 ) and nonlinear absorption coefficient ( β ) of the GSS ChGs will be measured. A comparison of the results is made with other families of chalcogenide glasses considering the figure of merit calculation. The first results show that GSS system would give better NL performance promising high potential for n 2 ( β )‐based photonic devices performed under clean production and green/sustainable chemistry.