Numerical Liouville approach: Three‐type analysis of virtual excitation processes of third‐order nonlinear optical spectra in third‐harmonic generation

1995 ◽  
Vol 102 (7) ◽  
pp. 2996-3004 ◽  
Author(s):  
M. Nakano ◽  
K. Yamaguchi ◽  
Y. Matsuzaki ◽  
K. Tanaka ◽  
T. Yamabe
Keyword(s):  
Harmonic Generation ◽  
Nonlinear Optical ◽  
Third Harmonic Generation ◽  
Optical Spectra ◽  
Third Order ◽  
Type Analysis ◽  
Third Harmonic ◽  
Virtual Excitation ◽  
Excitation Processes

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.

Third-order nonlinear optical effects of silver nanoparticles and third harmonic generation from their plasma plumes

Optik ◽  
2021 ◽  
pp. 167680
Author(s):  
Srinivasa Rao Konda ◽  
Sandeep Kumar Maurya ◽  
Rashid A. Ganeev ◽  
Yu Hang Lai ◽  
Chunlei Guo ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Harmonic Generation ◽  
Nonlinear Optical ◽  
Third Harmonic Generation ◽  
Third Order ◽  
Third Harmonic ◽  
Optical Effects ◽  
Nonlinear Optical Effects ◽  
Plasma Plumes
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