Abstract：
:The recent reported trapped "rainbow" storage of light using metamaterials and plasmonic graded surface gratings has generated considerable interest for on-chip slow light. The potential for controlling the velocity of broadband light in guided photonic structures opens up tremendous opportunities to manipulate light for optical modulation, switching, communication and light-matter interactions. However, previously reported designs for rainbow trapping are generally constrained by inherent difficulties resulting in the limited experimental realization of this intriguing effect. Here we propose a hyperbolic metamaterial structure to realize a highly efficient rainbow trapping effect, which, importantly, is not limited by those severe theoretical constraints required in previously reported insulator-negative-index-insulator, insulator-metal-insulator and metal-insulator-metal waveguide tapers, and therefore representing a significant promise to realize the rainbow trapping structure practically.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Hu H,Ji D,Zeng X,Liu K,Gan Qdoi
10.1038/srep01249subject
Has Abstractpub_date
2013-01-01 00:00:00pages
1249issn
2045-2322journal_volume
3pub_type
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