Surface plasmon propagation enhancement via bowtie antenna incorporation in Au-mica block waveguides

Show simple item record Pita, Isabel A. Kumbham, Mahendar Schmidt, Michael Gleeson, Matthew Ryan, Kevin M. Silien, Christophe Liu, Ning 2018-09-21T10:58:48Z 2018-09-21T10:58:48Z 2018-06-18
dc.identifier.citation Pita, I. A., Kumbham, M., Schmidt, M., Gleeson, M., Ryan, K. M., Silien, C. and Liu, N.(2018) 'Surface plasmon propagation enhancement via bowtie antenna incorporation in Au-mica block waveguides', Applied Optics, 57(22), pp. 50-56. doi:10.1364/AO.57.000E50 en
dc.identifier.volume 57 en
dc.identifier.issued 22 en
dc.identifier.startpage 50 en
dc.identifier.endpage 56 en
dc.identifier.issn 1559-128X
dc.identifier.issn 2155-3165
dc.identifier.doi 10.1364/AO.57.000E50
dc.description.abstract The optimum geometry for waveguide propagation was determined by comparing bowtie and semicircle antenna cuts to a standard plain waveguide with a 635 nm laser. The results of both experimental data and COMSOL simulations proved that the bowtie antenna increased waveguide output in comparison to the plain waveguide with the semicircle pattern showing no enhancement. It was also determined that the propagation was highest when the polarization direction of the laser was perpendicular to the direction of the waveguide for all patterns, while polarization along the propagation direction led to little or no output in all antenna and plain waveguide cases. The waveguide output of the bowtie antenna and plain structures was then measured using a tunable laser for wavelengths from 570 nm to 958 nm under both parallel and perpendicular polarization conditions. The results indicated that the bowtie antenna performed better over the entire range with an average increase factor of 2.12±0.40 over the plain waveguide pattern when perpendicularly polarized to the waveguide direction, and 1.10±0.48 when parallel. The measured values indicate that the structure could have applications in broadband devices. en
dc.description.sponsorship Irish Research Council (GOIPG/58/2013; INSPIRE) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Optical Society of America en
dc.rights © 2018, Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited. en
dc.subject Microstructure fabrication en
dc.subject Optoelectronics en
dc.subject Waveguides en
dc.subject Surface plasmons en
dc.subject Electric fields en
dc.subject Laser light en
dc.subject Light wavelength en
dc.subject Tunable lasers en
dc.subject Wave plates en
dc.title Surface plasmon propagation enhancement via bowtie antenna incorporation in Au-mica block waveguides en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Michael Schmidt, Tyndall Micronano Electronics, University College Cork, Cork, Ireland. +353-21-490-3000 Email: en
dc.internal.availability Full text available en Access to this article is restricted until 12 months after publication by request of the publisher. en 2019-06-18 2018-09-20T08:17:34Z
dc.description.version Accepted Version en
dc.internal.rssid 454454635
dc.contributor.funder Irish Research Council en
dc.contributor.funder Science Foundation Ireland en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Applied Optics en
dc.internal.copyrightchecked Yes en
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress en
dc.relation.project info:eu-repo/grantAgreement/SFI/SFI Career Development Award/13/CDA/2221/IE/Nonlinear optical micro-spectroscopy for multiplex suspension immunoassay/ en

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