Surface Plasmon Enhanced Reflected Second Harmonic Generation in Periodically Poled Whispering Gallery Resonator

被引：0
|
作者：
Saha, Ardhendu [1 ]
Goswami, Nabamita [1 ]
Dey, Priyanka [1 ]
机构：
[1] Natl Inst Technol Agartala, Dept Elect Engn, Jirania 799055, Tripura West, India
来源：
NONLINEAR FREQUENCY GENERATION AND CONVERSION: MATERIALS, DEVICES, AND APPLICATIONS XII | 2013年 / 8604卷
关键词：
Kretschmann geometry; Second harmonic generation; Periodically poled lithium niobate;
D O I：
10.1117/12.2000445
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper analytically describes the surface plasmon enhanced very low threshold second harmonic generation formed by a 29 nm thin gold layer is sandwiched between a BK7 prism plane and 20 nm thin GaAs layer. Here the electric field with incident optical radiation of picowatt level is amplified upto milliwatt level through surface plasmon phenomenon at off resonance condition. This amplified output further coupled to a whispering gallery resonator, which facilitates the generation of second harmonic for an incident optical radiation of picowatt level. In this proposed configuration with an incident optical power of 94.6 pW generated second harmonic through whispering gallery resonator found to be 14.6 mW.
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页数：4
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