scholarly journals Modeling of all-optical even and odd parity generator circuits using metal-insulator-metal plasmonic waveguides

2017 ◽  
Vol 7 (2) ◽  
pp. 182-192 ◽  
Author(s):  
Lokendra Singh ◽  
Amna Bedi ◽  
Santosh Kumar
Keyword(s):  
Plasmonic Waveguides ◽  
Metal Insulator ◽  
Metal Insulator Metal ◽  
All Optical ◽  
Parity Generator

WAVELENGTH DEMULTIPLEXING IN METAL–INSULATOR–METAL PLASMONIC WAVEGUIDES

2014 ◽  
Vol 28 (04) ◽  
pp. 1450025 ◽  
Author(s):  
XIANKUN YAO
Keyword(s):  
Transmission Efficiency ◽  
Plasmonic Waveguides ◽  
Metal Insulator ◽  
Metal Insulator Metal ◽  
Integrated Optical ◽  
Potential Applications ◽  
Wavelength Demultiplexing ◽  
Optical Circuits ◽  
Difference Time ◽  
Mim Waveguide

In this paper, we have numerically investigated a novel kind of ultra-compact wavelength demultiplexing (WDM) in high-confined metal–insulator–metal (MIM) plasmonic waveguides. It is found that the drop transmission efficiency of the filtering cavity can be strongly enhanced by introducing a side-coupled cavity in the MIM waveguide. The theoretical analysis is verified by the finite-difference time-domain simulations. Through cascading the filtering units, a highly effective triple-wavelength demultiplexer is proposed by selecting the specific separation between the two coupled cavities of filtering units. Our results may find potential applications for the nanoscale WDM systems in highly integrated optical circuits and networks.

scholarly journals Propagation Characteristics of Multilayer Hybrid Insulator-Metal-Insulator and Metal-Insulator-Metal Plasmonic Waveguides

2014 ◽  
Vol 2 (3) ◽  
pp. 35 ◽  
Author(s):  
M. Talafi Noghani ◽  
M. H. Vadjed Samiei
Keyword(s):  
Transfer Matrix Method ◽  
Matrix Method ◽  
Slab Waveguide ◽  
Plasmonic Waveguides ◽  
Propagation Characteristics ◽  
Propagation Length ◽  
Metal Insulator ◽  
Slab Waveguides ◽  
Figures Of Merit ◽  
Metal Insulator Metal

Propagation characteristics of symmetrical and asymmetrical multilayer hybrid insulator-metal-insulator (HIMI) and metal-insulator-metal (HMIM) plasmonic slab waveguides are investigated using the transfer matrix method. Propagation length (Lp) and spatial length (Ls) are used as two figures of merit to qualitate the plasmonic waveguides. Symmetrical structures are shown to be more performant (having higher Lp and lower Ls), nevertheless it is shown that usage of asymmetrical geometry could compensate for the performance degradation in practically realized HIMI waveguides with different substrate materials. It is found that HMIM slab waveguide could support almost long-range subdiffraction plasmonic modes at dimensions lower than the spatial length of the HIMI slab waveguide.

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