Single-Mode Subwavelength Waveguide with Channel Plasmon-Polaritons in Triangular Grooves on a Metal Surface
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Description
We demonstrate that single-mode operation of a sub-wavelength plasmonic waveguide in the form of a V-groove on a metal surface can be achieved by adjusting depth of the groove. Strongly localized channel plasmon-polaritons (CPPs) are shown to propagate in such waveguides. If the groove depth is close to the penetration depth of the fundamental CPP mode, then all higher modes are not supported by the structure, leaving only the fundamental mode propagating in the groove. In this case, propagation distances of fundamental mode ~ 10 micron can easily be achieved together with strong sub-wavelength localization.
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| ID Code: | 1401 |
|---|---|
| Item Type: | Contribution to Journal (Journal Article) |
| Refereed: | Yes |
| Measurements or Duration: | 3 pages |
| DOI: | 10.1063/1.1839283 |
| ISSN: | 0003-6951 |
| Pure ID: | 34199239 |
| Divisions: | Past > QUT Faculties & Divisions > Faculty of Health Past > QUT Faculties & Divisions > Faculty of Science and Technology |
| Copyright Owner: | Consult author(s) regarding copyright matters |
| Copyright Statement: | This work is covered by copyright. Unless the document is being made available under a Creative Commons Licence, you must assume that re-use is limited to personal use and that permission from the copyright owner must be obtained for all other uses. If the document is available under a Creative Commons License (or other specified license) then refer to the Licence for details of permitted re-use. It is a condition of access that users recognise and abide by the legal requirements associated with these rights. If you believe that this work infringes copyright please provide details by email to qut.copyright@qut.edu.au |
| Deposited On: | 26 May 2005 00:00 |
| Last Modified: | 03 Jun 2024 20:11 |
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