scholarly journals Study of second and third harmonic generation from an indium tin oxide nanolayer: Influence of nonlocal effects and hot electrons

APL Photonics ◽  
2020 ◽  
Vol 5 (1) ◽  
pp. 010801 ◽  
Author(s):  
L. Rodríguez-Suné ◽  
M. Scalora ◽  
A. S. Johnson ◽  
C. Cojocaru ◽  
N. Akozbek ◽  
...  
Keyword(s):  
Harmonic Generation ◽  
Tin Oxide ◽  
Indium Tin Oxide ◽  
Third Harmonic Generation ◽  
Hot Electrons ◽  
Nonlocal Effects ◽  
Third Harmonic

Enhanced third-harmonic generation in Si-compatible epsilon-near-zero indium tin oxide nanolayers

2015 ◽  
Vol 40 (7) ◽  
pp. 1500 ◽  
Author(s):  
Antonio Capretti ◽  
Yu Wang ◽  
Nader Engheta ◽  
Luca Dal Negro
Keyword(s):  
Harmonic Generation ◽  
Tin Oxide ◽  
Indium Tin Oxide ◽  
Third Harmonic Generation ◽  
Third Harmonic ◽  
Epsilon Near Zero

scholarly journals Hot Electrons Modulation of Third-Harmonic Generation in Graphene

ACS Photonics ◽  
2019 ◽  
Vol 6 (11) ◽  
pp. 2841-2849 ◽  
Author(s):  
Giancarlo Soavi ◽  
Gang Wang ◽  
Habib Rostami ◽  
Andrea Tomadin ◽  
Osman Balci ◽  
...  
Keyword(s):  
Harmonic Generation ◽  
Third Harmonic Generation ◽  
Hot Electrons ◽  
Third Harmonic

scholarly journals Third-harmonic generation in optical nanoantennas: efficiency enhancement

2021 ◽  
Author(s):  
Zahra Razavi ◽  
Hassan Pakarzadeh ◽  
Najmeh Nozhat
Keyword(s):  
Harmonic Generation ◽  
Indium Tin Oxide ◽  
Third Harmonic Generation ◽  
Nonlinear Phenomena ◽  
Third Harmonic ◽  
Field Radiation ◽  
Proper Design ◽  
Dielectric Nanoparticle ◽  
Optical Nanoantennas ◽  
Sub Wavelength

Abstract Optical nanoantennas have attracted a lot of research interest over the last decade owing to their unique characteristics in concentrating far-field radiation into the sub-wavelength dimensions. Also, they have been recently utilized to enhance the functionality of nonlinear optical devices. By inserting a dielectric nanoparticle within the gap of a dipole nanoantenna, the third-harmonic generation (THG) emission can be boosted. In this study, we simulate dipole and bowtie nanoantennas and compare their THG output spectra with and without the presence of indium tin oxide (ITO) nanocrystal in the nanoantennas gap. The results show that with proper design of the nanoantenna and changing the geometry from the dipole to the bowtie shape as well as inserting the ITO nanocrystal, the THG efficiency can be enhanced by a factor of three, which is higher than the dipole counterpart reported in recent established works. Our work opens a new window to generate more efficient nonlinear phenomena at nanoscale devices.

Third harmonic generation by hot electrons in metals

2008 ◽  
Vol 29 (3) ◽  
pp. 219-226 ◽  
Author(s):  
S. G. Bezhanov ◽  
A. P. Kanavin ◽  
S. A. Uryupin
Keyword(s):  
Harmonic Generation ◽  
Third Harmonic Generation ◽  
Hot Electrons ◽  
Third Harmonic

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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