Surface waves with near-zero or negative group velocity on one-dimensional photonic crystal coated with one metal film
| Autor: | Li-zhong Lu, Ying-xin Jiang, Min Zhu, Yun-tuan Fang, Xue-hua Song, Ji-jun Wang |
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| Rok vydání: | 2013 |
| Předmět: |
Materials science
business.industry Surface plasmon Surface plasmon polariton Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials Optics Surface wave Group velocity Electrical and Electronic Engineering Physical and Theoretical Chemistry Surface plasmon resonance business Localized surface plasmon Photonic crystal Bloch wave |
| Zdroj: | Optics Communications. :129-134 |
| ISSN: | 0030-4018 |
| DOI: | 10.1016/j.optcom.2013.02.055 |
| Popis: | We employ the Bloch theorem of periodic structures and transfer matrix method to study the surface modes of a semi-infinite one-dimensional photonic crystal coated with a metal film. There are two mechanisms guiding the surface modes: the surface plasmon resonances and the surface modes of periodic structure. The surface modes can occur in all lower gaps and result from different mechanisms in different gaps. Extremely slow group velocities and even negative group velocities have been found to these surface modes. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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