Second Harmonic Generation from a Nanopatterned Isotropic Nonlinear Material

Nano Letters ◽  
2006 ◽  
Vol 6 (5) ◽  
pp. 1027-1030 ◽  
Author(s):  
Wenjun Fan ◽  
Shuang Zhang ◽  
N.-C. Panoiu ◽  
A. Abdenour ◽  
S. Krishna ◽  
...  
Keyword(s):  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
Nonlinear Material

scholarly journals Ultraviolet second harmonic generation from Mie-resonant lithium niobate nanospheres

Nanophotonics ◽  
2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Jiayi Wang ◽  
Zhuojun Liu ◽  
Jin Xiang ◽  
Bo Chen ◽  
Yuming Wei ◽  
...  
Keyword(s):  
Lithium Niobate ◽  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
Nonlinear Material ◽  
Nonlinear Susceptibility ◽  
Light Sources ◽  
Frequency Converters ◽  
Nanophotonic Devices ◽  
Fs Laser

Abstract Lithium niobate (LN), as a nonlinear material with a large nonlinear susceptibility, has been widely employed in second harmonic generation (SHG) up to ultraviolet (UV) frequency range due to its broad low-absorption window. In nanophotonics, it is possible to harness the Mie resonances associated with the single dielectric particles to boost the nonlinear light–matter interactions. Here, we fabricate single Mie-resonant LN nanospheres on a SiO2 substrate via the femtosecond (fs) laser ablation technique. By exploiting the magnetic dipole (MD) Mie resonance, UV SHG from the LN nanosphere is significantly enhanced with a measured conversion efficiency of 4.45 × 10−8 under the excitation of an fs laser at 750 nm. The single LN nanospheres achieved in this work could serve as Mie resonators for building nonlinear nanophotonic devices such as frequency converters and quantum light sources, etc.

A New Intramolecular Charge Transfer Material for Nonlinear Optics: Piperonal Derivatives

1987 ◽  
Vol 109 ◽  
Author(s):  
Y. Mori ◽  
M. Okamoto ◽  
T. Wada ◽  
H. Sasabe
Keyword(s):  
Charge Transfer ◽  
Second Harmonic Generation ◽  
Semiconductor Laser ◽  
Harmonic Generation ◽  
Intramolecular Charge Transfer ◽  
Second Harmonic ◽  
Nonlinear Material ◽  
Ethyl Cyano ◽  
Good Crystallinity ◽  
Better Than

ABSTRACTThis paper describes a new organic nonlinear material, piperoniridene ethyl cyano acetate which shows short cut-off wavelength, good nonlinearity (better than POM in powder) and good crystallinity. These features of this compound encourage its application in second harmonic generation (SHG) coupled with semiconductor laser.

Optically poled germanosilicate glass as a nonlinear material for second harmonic generation

Laser Physics ◽  
2019 ◽  
Vol 29 (3) ◽  
pp. 036002 ◽  
Author(s):  
X Feng ◽  
F Q Li ◽  
A X Lin ◽  
X X Chai ◽  
F Wang ◽  
...  
Keyword(s):  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
Nonlinear Material

Test of directional photoionisation models of second harmonic generation in optical fibres

1992 ◽  
Vol 139 (2) ◽  
pp. 133 ◽  
Author(s):  
N.M. Lawandy ◽  
T.J. Driscoll ◽  
C.L. Adler ◽  
N.M. Lawandy
Keyword(s):  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
Optical Fibres
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