scholarly journals Second-harmonic generation of cylindrical electromagnetic waves propagating in an inhomogeneous and nonlinear medium

2012 ◽  
Vol 85 (1) ◽  
Author(s):  
Hao Xiong ◽  
Liu-Gang Si ◽  
Chunling Ding ◽  
Xiaoxue Yang ◽  
Ying Wu
Keyword(s):  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Nonlinear Medium ◽  
Electromagnetic Waves ◽  
Second Harmonic

ENHANCEMENT OF SECOND HARMONIC GENERATION IN ONE-DIMENSIONAL FERROELECTRIC-METALLIC PHOTONIC CRYSTALS

2007 ◽  
Vol 21 (24) ◽  
pp. 1599-1604
Author(s):  
LI-MING ZHAO ◽  
BEN-YUAN GU ◽  
GUO-ZHEN YANG
Keyword(s):  
Photonic Crystals ◽  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Nonlinear Medium ◽  
Second Harmonic ◽  
Fundamental Wave ◽  
Resonant Cavities ◽  
One Dimensional ◽  
Ferroelectric Domains ◽  
Metallic Photonic Crystals

We investigate second harmonic generation (SHG) in one-dimensional (1D) ferroelectric-metallic photonic crystals (PCs) which are composed of alternatively inverting poled ferroelectric domains with metallic insert layers. We observe a giant enhancement of SHG conversion efficiency due to high reflectivity of metallic layers, which form resonant cavities and lead to substantial increase of fundamental wave (FW) field in nonlinear medium layers.

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