scholarly journals Nonlinear optical effects and third-harmonic generation in superconductors: Cooper pairs versus Higgs mode contribution

2016 ◽  
Vol 93 (18) ◽  
Author(s):  
T. Cea ◽  
C. Castellani ◽  
L. Benfatto
Keyword(s):  
Harmonic Generation ◽  
Nonlinear Optical ◽  
Third Harmonic Generation ◽  
Cooper Pairs ◽  
Third Harmonic ◽  
Optical Effects ◽  
Nonlinear Optical Effects ◽  
Higgs Mode

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

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.

Study of nonlinear optical characteristics of various media by the methods ofz-scan and third harmonic generation of laser radiation

2002 ◽  
Vol 32 (9) ◽  
pp. 781-788 ◽  
Author(s):  
R A Ganeev ◽  
Nataliya V Kamanina ◽  
I A Kulagin ◽  
A I Ryasnyansky ◽  
R I Tugushev ◽  
...  
Keyword(s):  
Laser Radiation ◽  
Harmonic Generation ◽  
Nonlinear Optical ◽  
Third Harmonic Generation ◽  
Optical Characteristics ◽  
Third Harmonic
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