scholarly journals Strong second harmonic generation in SiC, ZnO, GaN two-dimensional hexagonal crystals from first-principles many-body calculations

2015 ◽  
Vol 17 (14) ◽  
pp. 9533-9540 ◽  
Author(s):  
C. Attaccalite ◽  
A. Nguer ◽  
E. Cannuccia ◽  
M. Grüning
Keyword(s):  
Second Harmonic Generation ◽  
Real Time ◽  
Harmonic Generation ◽  
First Principles ◽  
Function Theory ◽  
Second Harmonic ◽  
Two Dimensional ◽  
Many Body ◽  
Ti:Sapphire Laser ◽  
Hexagonal Crystals

By using a real-time approach based on Green's function theory we predict a strong second-harmonic generation (SHG) for frequencies at which Ti:sapphire laser operates and for which the materials are transparent.

scholarly journals Real-time second-harmonic-generation microscopy based on a 2-GHz repetition rate Ti:sapphire laser

2003 ◽  
Vol 11 (8) ◽  
pp. 933 ◽  
Author(s):  
Shi-Wei Chu ◽  
Tzu-Ming Liu ◽  
Chi-Kuang Sun ◽  
Cheng-Yung Lin ◽  
Huai-Jen Tsai
Keyword(s):  
Second Harmonic Generation ◽  
Real Time ◽  
Harmonic Generation ◽  
Repetition Rate ◽  
Second Harmonic ◽  
Ti:Sapphire Laser ◽  
Second Harmonic Generation Microscopy

scholarly journals Table-top extreme ultraviolet second harmonic generation

2021 ◽  
Vol 7 (21) ◽  
pp. eabe2265
Author(s):  
Tobias Helk ◽  
Emma Berger ◽  
Sasawat Jamnuch ◽  
Lars Hoffmann ◽  
Adeline Kabacinski ◽  
...  
Keyword(s):  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
First Principles ◽  
Extreme Ultraviolet ◽  
Second Harmonic ◽  
High Harmonic ◽  
Electronic Structure Calculations ◽  
Free Electron Lasers ◽  
X Ray ◽  
Structure Calculations

The lack of available table-top extreme ultraviolet (XUV) sources with high enough fluxes and coherence properties has limited the availability of nonlinear XUV and x-ray spectroscopies to free-electron lasers (FELs). Here, we demonstrate second harmonic generation (SHG) on a table-top XUV source by observing SHG near the Ti M2,3 edge with a high-harmonic seeded soft x-ray laser. Furthermore, this experiment represents the first SHG experiment in the XUV. First-principles electronic structure calculations suggest the surface specificity and separate the observed signal into its resonant and nonresonant contributions. The realization of XUV-SHG on a table-top source opens up more accessible opportunities for the study of element-specific dynamics in multicomponent systems where surface, interfacial, and bulk-phase asymmetries play a driving role.

Second harmonic generation in a two-dimensional diatomic lattice

2000 ◽  
Vol 62 (21) ◽  
pp. 14105-14112 ◽  
Author(s):  
A. L. Gonçalves ◽  
V. V. Konotop
Keyword(s):  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
Two Dimensional

scholarly journals Enhanced second-harmonic generation from two-dimensional MoSe2 by waveguide integration

2017 ◽  
Author(s):  
Haitao Chen ◽  
Vincent Corboliou ◽  
Alexander S. Solntsev ◽  
Duk-Yong Choi ◽  
M.A. Vincenti ◽  
...  
Keyword(s):  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
Two Dimensional
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