Second-harmonic generation by direct-laser-induced-poling in a femto-photo-luminescent glass

2010 ◽  
Author(s):  
Arnaud Royon ◽  
Matthieu Bellec ◽  
Ji Yeon Choi ◽  
Kevin Bourhis ◽  
Thierry Cardinal ◽  
...  
Keyword(s):  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Second Harmonic ◽  
Direct Laser ◽  
Photo Luminescent

scholarly journals Deterministic Insertion of KTP Nanoparticles into Polymeric Structures for Efficient Second-Harmonic Generation

Crystals ◽  
2019 ◽  
Vol 9 (7) ◽  
pp. 365 ◽  
Author(s):  
Dam Thuy Trang Nguyen ◽  
Ngoc Diep Lai
Keyword(s):  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Collection Efficiency ◽  
Second Harmonic ◽  
Fdtd Method ◽  
Photon Absorption ◽  
Experimental Result ◽  
Direct Laser ◽  
Light Matter Interaction ◽  
Difference Time

We investigate theoretically and experimentally the creation of virtually any polymer-based photonic structure containing individual nonlinear KTiOPO 4 nanoparticles (KTP NPs) using low one-photon absorption (LOPA) direct laser writing (DLW) technique. The size and shape of polymeric microstructures and the position of the nonlinear KTP crystal inside the structures, were perfectly controlled at nanoscale and on demand. Furthermore, we demonstrated an enhancement of the second-harmonic generation (SHG) by a factor of 90 when a KTP NP was inserted in a polymeric pillar. The SHG enhancement is attributed to the resonance of the fundamental light in the cavity. This enhancement varied for different KTP NPs, because of the random orientation of the KTP NPs, which affects the light/matter interaction between the fundamental light and the NP as well as the collection efficiency of the SHG signal. The experimental result are further supported by a simulation model using Finite-Difference Time-Domain (FDTD) method.

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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