Abstract
A novel kind of plasmonic wavelength demultiplexers (WDMs) based on two-dimensional metal-insulator-metal waveguides with side coupled nanocavities (SC-NCs) is proposed and numerically investigated. The WDMs contain three waveguide output channels, each of which functions as a dual-stopband plasmonic filter. The demultiplexing wavelengths can be tuned by controlling the lengths and widths of SCNCs. The finite-difference time-domain results can be accurately analyzed by the resonant theory of nanocavity. Our structures have important potential applications for design of WDM systems in highly integrated optical circuits.
Original language | English |
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Pages (from-to) | 877-881 |
Number of pages | 5 |
Journal | Applied Physics B: Lasers and Optics |
Volume | 103 |
Issue number | 4 |
DOIs | |
State | Published - Jun 2011 |
Externally published | Yes |