Nanoscale Fabry-Perot interferometer using channel plasmon-polaritons in triangular metallic grooves
Pile, David F. P. & Gramotnev, Dmitri K. (2005) Nanoscale Fabry-Perot interferometer using channel plasmon-polaritons in triangular metallic grooves. Applied Physics Letters, 86(16), p. 161101.
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Abstract
In this letter, we demonstrate the possibility of an effective nano-scale Fabry-Perot interferometer in a sub-wavelength plasmonic waveguide in the form of a triangular groove on a metal surface, guiding channel plasmon-polaritons (CPPs). The resonant cavity is formed by two semitransparent metal membranes (mirrors) placed into the groove. Effective filtering effect of the cavity is demonstrated, resulting in single-mode output from the cavity. Typical quality factor for the cavity of the resonant length is determined to be Q ~ 100 for the silver-vacuum structure with the 30 degree groove angle. Possible ways of increasing this factor are discussed.
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| ID Code: | 1400 |
|---|---|
| Item Type: | Journal Article |
| DOI: | 10.1063/1.1905799 |
| ISSN: | 0003-6951 |
| Subjects: | Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > OPTICAL PHYSICS (020500) |
| Divisions: | Past > QUT Faculties & Divisions > Faculty of Science and Technology |
| Copyright Owner: | Copyright 2005 American Institute of Physics |
| Copyright Statement: | Reproduced in accordance with the copyright policy of the publisher. |
| Deposited On: | 09 Nov 2005 |
| Last Modified: | 29 Feb 2012 23:16 |
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