NDLI: Propagation Properties of a Modified Slot Surface Plasmonic Waveguide

Content Provider	IEEE Xplore Digital Library
Author	Wenrui Xue Ya-Nan Guo Jiao Zhang Wenmei Zhang
Copyright Year	1983
Abstract	In this paper, we present a modified slot surface plasmonic waveguide formed by metallic rod, core dielectric layer, and metallic film on the substrate. Using the finite-difference frequency-domain method, modal field distribution are analyzed firstly. Results show that the fundamental mode could be well confined in the space between the metal rod and the metal film. The dependence of modal field distribution, effective index, and propagation length of the fundamental plasmonic mode without gain on dielectric constant of the core layer, geometrical parameters, and working wavelengths are analyzed and discussed. A kind of available gain dielectric medium was used for the core dielectric layer to extend the propagation length. Results show that the propagation length can be extended observably with the help of the gain dielectric medium. Finally, effect of the thickness of the core dielectric layer on modal field distribution, effective index, and propagation length are analyzed and discussed. Since the modal field distribution, effective index, and propagation length can be controlled by adjusting the geometrical parameters, dielectric constant and gain of the core layer and working wavelengths of the waveguide, this kind of surface plasmonic waveguide can be applied to the field of photonic device integration and sensors.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	2634
Ending Page	2641
Page Count	8
File Size	1274083
File Format	PDF
ISSN	07338724
Volume Number	27
Issue Number	14
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-07-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Surface waves Plasmons Optical waveguides Optical surface waves Optical propagation Strips Dielectrics Photonic crystals Electromagnetic propagation Electromagnetic waveguides surface plasmons Integrated optics optical waveguides
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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