Nanoplasmonic triple-wavelength demultiplexers in two-dimensional metallic waveguides

Lu, H., Liu, X. M., Wang, L. R., Mao, D. and Gong, Yongkang 2011. Nanoplasmonic triple-wavelength demultiplexers in two-dimensional metallic waveguides. Applied Physics B: Lasers and Optics 103 (4) , pp. 877-881. 10.1007/s00340-011-4525-0

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Abstract

A novel kind of plasmonic wavelength demultiplexers (WDMs) based on two-dimensional metal–insulator–metal waveguides with side coupled nanocavities (SCNCs) 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.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Publisher:	Springer Verlag (Germany)
ISSN:	0946-2171
Last Modified:	05 Aug 2022 01:47
URI:	https://orca.cardiff.ac.uk/id/eprint/119613

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