An Azo-Bridged Ferroelectric Liquid Crystal with Highly Enhanced Second and Third Harmonic Generation

2012 ◽  
Vol 134 (39) ◽  
pp. 16298-16306 ◽  
Author(s):  
Yongqiang Zhang ◽  
Josu Ortega ◽  
Ute Baumeister ◽  
César L. Folcia ◽  
Gerardo Sanz-Enguita ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Harmonic Generation ◽  
Third Harmonic Generation ◽  
Ferroelectric Liquid Crystal ◽  
Third Harmonic

Enhancement of third-harmonic generation in a polymer-dispersed liquid-crystal grating

2005 ◽  
Vol 87 (5) ◽  
pp. 051102 ◽  
Author(s):  
Przemyslaw P. Markowicz ◽  
Vincent K. S. Hsiao ◽  
Hanifi Tiryaki ◽  
Alexander N. Cartwright ◽  
Paras N. Prasad ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Harmonic Generation ◽  
Third Harmonic Generation ◽  
Third Harmonic ◽  
Polymer Dispersed Liquid Crystal ◽  
Polymer Dispersed ◽  
Liquid Crystal Grating

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.

scholarly journals Energy exchange during third harmonic generation in multi-mode optical fibers

2021 ◽  
Vol 1859 (1) ◽  
pp. 012050
Author(s):  
Z Kasapeteva ◽  
A Dakova ◽  
V Slavchev ◽  
D Dakova ◽  
L Kovachev ◽  
...  
Keyword(s):  
Optical Fibers ◽  
Harmonic Generation ◽  
Energy Exchange ◽  
Third Harmonic Generation ◽  
Third Harmonic ◽  
Multi Mode
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