Subwavelength slow-light waveguides based on a plasmonic analogue of electromagnetically induced transparency
Authors:
- 3 October 2011
- journal article
- conference paper
- Published by AIP Publishing in Applied Physics Letters
- Vol. 99 (14) , 143117
Abstract
We introduce a plasmonic waveguide system, based on a plasmonic analogue of electromagnetically induced transparency, which supports a subwavelength slow-light mode, and exhibits a small group velocity dispersion. The system consists of a periodic array of two metal-dielectric-metal (MDM) stub resonators side-coupled to a MDM waveguide. Decreasing the frequency spacing between the two resonances increases the slowdown factor and decreases the bandwidth of the slow-light band. We also show that there is a trade-off between the slowdown factor and the propagation length of the slow-light mode.Keywords
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