| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Anomalous Dispersion Behavior of Staggered Arranged Metal Nanowire Arrays |
| CHEN Jun-Xue1**, SHANG Li-Ping2 |
1School of Science, Southwest University of Science and Technology, Mianyang 621010
2School of Information Engineering, Southwest University of Science and Technology, Mianyang 621010
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| Cite this article: |
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CHEN Jun-Xue, SHANG Li-Ping 2014 Chin. Phys. Lett. 31 037303 |
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Abstract The dispersion relations of staggered arranged metal nanowire arrays are numerically investigated. It is demonstrated that the structure can support the propagation of plasmon modes with zero and negative group velocities derived directly from the dispersion curves, apart from normal plasmon modes with positive group velocities. Furthermore, the effects of the structural parameters on the dispersion behaviors of plasmon modes are also examined.
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Received: 17 October 2013
Published: 28 February 2014
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| PACS: |
73.20.Mf
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(Collective excitations (including excitons, polarons, plasmons and other charge-density excitations))
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42.82.Et
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(Waveguides, couplers, and arrays)
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11.55.Fv
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(Dispersion relations)
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