Document Detail

Crosstalk between three-dimensional plasmonic slot waveguides.
MedLine Citation:
PMID:  18542293     Owner:  NLM     Status:  MEDLINE    
We investigate in detail the crosstalk between plasmonic slot waveguides. We show that the coupling behavior of deep subwavelength three-dimensional (3-D) plasmonic slot waveguides is very different from the one of two-dimensional (2-D) metal-dielectric-metal (MDM) plasmonic waveguides. While in the 2-D case the coupling occurs only through the metal, in the 3-D case the coupling occurs primarily through the dielectric, in which the evanescent tail is much larger compared to the one in the metal. Thus, in most cases the coupling between 3-D plasmonic slot waveguides is much stronger than the coupling between the corresponding 2-D MDM plasmonic waveguides. Such strong coupling can be exploited to form directional couplers using plasmonic slot waveguides. On the other hand, with appropriate design, the crosstalk between 3-D plasmonic slot waveguides can be reduced even below the crosstalk levels of 2-D MDM plasmonic waveguides, without significantly affecting their modal size and attenuation length. Thus, 3-D plasmonic slot waveguides can be used for ultradense integration of optoelectronic components.
Georgios Veronis; Shanhui Fan
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Optics express     Volume:  16     ISSN:  1094-4087     ISO Abbreviation:  Opt Express     Publication Date:  2008 Feb 
Date Detail:
Created Date:  2008-06-10     Completed Date:  2008-08-21     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  101137103     Medline TA:  Opt Express     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2129-40     Citation Subset:  IM    
Department of Electrical Engineering, Stanford University, Stanford, California 94305, USA.
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MeSH Terms
Computer Simulation
Computer-Aided Design*
Equipment Design
Equipment Failure Analysis
Models, Theoretical*
Optics and Photonics / instrumentation*
Surface Plasmon Resonance / instrumentation*

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