Tetra(4-methoxyanilinium) hexachlorostannnate (IV), dichloride: Synthesis, crystal structure, hirshfeld surface analysis, DFT calculations, thermal properties and third-harmonic generation measurement of nonlinear optical susceptibility

2021 ◽  
Vol 1231 ◽  
pp. 129935
Author(s):  
Amina Chachoua ◽  
Rafika Bouchene ◽  
Fadila Berrah ◽  
Karim Bouchouit ◽  
Sofiane Bouacida
Keyword(s):  
Crystal Structure ◽  
Thermal Properties ◽  
Dft Calculations ◽  
Harmonic Generation ◽  
Nonlinear Optical ◽  
Third Harmonic Generation ◽  
Hirshfeld Surface ◽  
Nonlinear Optical Susceptibility ◽  
Third Harmonic ◽  
Optical Susceptibility

scholarly journals Ultrafast Third-Order Nonlinear Optical Response Excited by fs Laser Pulses at 1550 nm in GaN Crystals

Materials ◽  
2021 ◽  
Vol 14 (12) ◽  
pp. 3194
Author(s):  
Adrian Petris ◽  
Petronela Gheorghe ◽  
Tudor Braniste ◽  
Ion Tiginyanu
Keyword(s):  
Harmonic Generation ◽  
Nonlinear Optical ◽  
Laser Pulses ◽  
Third Harmonic Generation ◽  
High Repetition Rate ◽  
Third Order ◽  
Third Harmonic ◽  
The Third ◽  
High Repetition ◽  
Gan Crystal

The ultrafast third-order optical nonlinearity of c-plane GaN crystal, excited by ultrashort (fs) high-repetition-rate laser pulses at 1550 nm, wavelength important for optical communications, is investigated for the first time by optical third-harmonic generation in non-phase-matching conditions. As the thermo-optic effect that can arise in the sample by cumulative thermal effects induced by high-repetition-rate laser pulses cannot be responsible for the third-harmonic generation, the ultrafast nonlinear optical effect of solely electronic origin is the only one involved in this process. The third-order nonlinear optical susceptibility of GaN crystal responsible for the third-harmonic generation process, an important indicative parameter for the potential use of this material in ultrafast photonic functionalities, is determined.

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