Broadband Second Harmonic Generation from Artificial Optical Nonlinearity

2021 ◽  
Author(s):  
Chen Wang ◽  
Yongzheng Wen ◽  
Jingbo Sun ◽  
Ji Zhou
Keyword(s):  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
Optical Nonlinearity

SECOND ORDER NONLINEAR OPTICAL PROPERTIES IN SILICA-BASED GLASS FILM WAVEGUIDES

1996 ◽  
Vol 05 (02) ◽  
pp. 189-204 ◽  
Author(s):  
S. HORINOUCHI ◽  
H. IMAI ◽  
H. YAMASAKI ◽  
K. FUKAO ◽  
G.J. ZHANG ◽  
...  
Keyword(s):  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Nonlinear Optical ◽  
Glass Composition ◽  
Second Harmonic ◽  
Optical Nonlinearity ◽  
Second Order ◽  
Time Dependent ◽  
Glass Film ◽  
Second Order Nonlinearity

Phase-matched blue second harmonic generation was observed in a corona-poled Corning 7059 glass film waveguide. The induced quadratic optical nonlinearity was examined by second harmonic generation with a time dependent decay for multi-complex of SiO 2, BaO,B 2 O 3 and/or Al 2 O 3. Glass films with every possible combination of composition were fabricated and examined, The glass composition of SiO 2- BaO-B 2 O 3 and/or SiO 2- BaO-Al 2 O 3 was found to play effective roles in maintaining the induced second order nonlinearity for a longer period of time. This is supposed to be related to distributed traps which come from complex of the glass components.

Large and anisotropic second harmonic generation of V-V binary phosphorene derivative with permanent dipole

2021 ◽  
Author(s):  
Yadong Wei ◽  
Songsong Wang ◽  
Kaijuan Pang ◽  
Xiaodong Xu ◽  
Ngeywo Tolbert Kaner ◽  
...  
Keyword(s):  
Signal Processing ◽  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
2D Materials ◽  
Optical Nonlinearity ◽  
Optical Signal ◽  
Two Dimensional ◽  
All Optical ◽  
Intense Research

Optical nonlinearity of two-dimensional (2D) materials with permanent dipole is a subject of intense research in the fields ranging from all-optical signal processing to laser nanotechnology due to the potential...

Nano-Crystallized Glass Fibers with Second-Order Optical Nonlinearity

2006 ◽  
Vol 11-12 ◽  
pp. 209-212 ◽  
Author(s):  
N. Iwafuchi ◽  
S. Mizuno ◽  
Yasuhiko Benino ◽  
Takumi Fujiwara ◽  
Takayuki Komatsu ◽  
...  
Keyword(s):  
Raman Spectroscopy ◽  
Second Harmonic Generation ◽  
Optical Fibers ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
Glass Fibers ◽  
Optical Nonlinearity ◽  
X Ray Diffraction ◽  
X Ray ◽  
Nano Size

Transparent nano-crystallized glass fibers with 300μm diameter were successfully fabricated in tellurite (TeO2) based glass systems. Structure of crystallized glass fibers and orientation of nano-size crystals were quantitatively investigated by microscopic Raman spectroscopy and X-ray diffraction. Second harmonic generation was measured in the nano-crystallized optical fibers.

Strong optical nonlinearity of CVD-grownMoS2monolayer as probed by wavelength-dependent second-harmonic generation

2014 ◽  
Vol 90 (12) ◽  
Author(s):  
D. J. Clark ◽  
V. Senthilkumar ◽  
C. T. Le ◽  
D. L. Weerawarne ◽  
B. Shim ◽  
...  
Keyword(s):  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
Optical Nonlinearity

ABSORPTION EFFECTS ON SECOND-HARMONIC GENERATION AND CASCADED WAVELENGTH CONVERSION IN NONLINEAR OPTICAL POLYMERS

2004 ◽  
Vol 13 (03n04) ◽  
pp. 367-371 ◽  
Author(s):  
MIN-SU KIM ◽  
JUNG JIN JU ◽  
SEUNG KOO PARK ◽  
JUNG YUN DO ◽  
MYUNG-HYUN LEE
Keyword(s):  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Nonlinear Optical ◽  
Wavelength Conversion ◽  
Second Harmonic ◽  
Optical Nonlinearity ◽  
Nonlinear Optical Polymers ◽  
Theoretical Analyses ◽  
Very High ◽  
High Absorption

Although nonlinear optical (NLO) polymers often exhibit very high optical nonlinearities, they have barely been applied to tentative NLO devices. The main reason lies in their high absorption losses, and this fundamental trade-off between optical nonlinearity and absorption, stems further advancement. Our theoretical analyses inform us that absorption effect is much less critical in cascaded wavelength conversion (CWC) than in second-harmonic generation (SHG), especially when absorption loss is very high at a given second-harmonic wavelength. Based on this result, we propose CWC as a more practical application of NLO polymers than SHG.

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