Journal
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume 28, Issue 1, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0953-8984/28/1/016002
Keywords
slow light; negative refraction; mode interference
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Funding
- 'Applied nonlinear Science and Technology' project of key subject of Zhejiang [xkzw11522]
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We propose a new mechanism to achieve light localization and slow light. Through the study on the coupling of two magnetic surface modes, we find a special convex band that takes on a negative refraction effect. The negative refraction results in an energy flow concellation effect from two degenerated modes on the convex band. The energy flow concellation effect leads to forming of the self-trapped and slow light bands. In the self-trapped band light is localized around the source without reflection wall in the waveguide direction, whereas in the slow light band, light becomes the standing-waves and moving standing-waves at the center and the two sides of the waveguide, respectively.
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