Far-field detection and imaging of surface plasmon polaritons by engineering sub-wavelength slit structure

2012 ◽  
Author(s):  
Reyad Mehfuz ◽  
Kenneth J. Chau
Keyword(s):  
Surface Plasmon ◽  
Surface Plasmon Polaritons ◽  
Far Field ◽  
Field Detection ◽  
Plasmon Polaritons ◽  
Sub Wavelength

scholarly journals Experimental nanofocusing of surface plasmon polaritons using a gravitational field

Nanophotonics ◽  
2020 ◽  
Vol 9 (10) ◽  
pp. 3279-3285 ◽  
Author(s):  
Zhiwei Yan ◽  
Chong Sheng ◽  
Shining Zhu ◽  
Hui Liu
Keyword(s):  
Gravitational Field ◽  
Surface Plasmon ◽  
Surface Plasmon Polaritons ◽  
Simple Structure ◽  
Spatial Scales ◽  
Optical Process ◽  
Design Structure ◽  
Nonlinear Optical Process ◽  
Plasmon Polaritons ◽  
Sub Wavelength

AbstractHow to capture electromagnetic fields into sub-wavelength spatial scales has been a major challenge in nanophotonics, especially confining surface plasmon polaritons into regions as small as a few nanometers. Although various methods are proposed to achieve this goal, these methods require complex fabrication process. Here, we demonstrate experimentally the achievement of nanofocusing of surface plasmon polaritons with an intensity enhancement of three, using the simple structure with just pasting a sliver microwire on a sliver layer. And the designed structure has a well-defined gravitational field inspired by transformation optics. This simple design structure has applications to enhance light–matter interactions, such as nonlinear optical process and Raman scattering.

scholarly journals Nonlinearity of surface-plasmon polaritons in sub-wavelength metal nanowires

2016 ◽  
Vol 24 (6) ◽  
pp. 6162 ◽  
Author(s):  
Song-Jin Im ◽  
Kum-Song Ho ◽  
Qu-Quan Wang ◽  
A. Husakou ◽  
J. Herrmann
Keyword(s):  
Surface Plasmon ◽  
Surface Plasmon Polaritons ◽  
Metal Nanowires ◽  
Plasmon Polaritons ◽  
Sub Wavelength
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