Plasmonic Subwavelength Waveguides: Next to Zero Losses at Sharp Bends
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Pile,_Gramotnev_-_New_plasmonic_sub-wavelength_waveguides-_next_to_zero_losses_at_sharp_bends_-_Opt_Lett_May_15_2005_(MS_Word_version).pdf. |
Description
We demonstrate that approximately 100% transmission of a strongly localized channel plasmon-polariton can be achieved through a sharp 90 degree bend in a sub-wavelength waveguide in the form of a triangular groove on a metal surface – the feature that has previously been demonstrated only for photonic crystal waveguides which do not provide sub-wavelength localization. Conditions for minimum reflection and radiative losses at the bend are investigated numerically using the finite-difference time-domain algorithm. Dissipation in the structure is demonstrated to be sufficiently low to ensure significant propagation distances (a number of wavelengths) of the localized plasmon in each of the arms of the bend.
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| ID Code: | 1399 |
|---|---|
| Item Type: | Contribution to Journal (Journal Article) |
| Refereed: | Yes |
| Measurements or Duration: | 3 pages |
| Keywords: | Nano-optics, Subwavelength Waveguides, Surface Plasmons |
| DOI: | 10.1364/OL.30.001186 |
| ISSN: | 0146-9592 |
| Pure ID: | 34300301 |
| 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: | 23 May 2005 00:00 |
| Last Modified: | 03 Mar 2024 06:45 |
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