Excitation of surface plasmons using tilted planar-waveguide Bragg gratings
Holmes, C., Daly, K.R., Sparrow, I.J.G., Gates, J.C., D'Alessandro, G. and Smith, P.G.R. (2011) Excitation of surface plasmons using tilted planar-waveguide Bragg gratings. IEEE Photonics Journal, 3, (5), 777-788. (doi:10.1109/JPHOT.2011.2164395).
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Description/Abstract
We present a planar integrated optical surface plasmon refractometer. The fabricated device operates by grating-matched coupling between a core waveguide mode and a set of hybrid plasmon-dielectric modes of a much wider integrated structure. The constructed device incorporates a 50 nm thin gold layer that separates a tilted planar-waveguide Bragg grating and a liquid analyte. It is demonstrated that polarization dependent plasmon anomalies occur in the transmission spectra of the device, which are understood using a numerical Cauchy integral mode solving approach. Sensitivities in this planar integrated device are comparable to existing fiber based plasmonic sensors, but with the advantages of planar integration and microfluidic adaptation
| Item Type: | Article |
|---|---|
| ISSNs: | 1943-0655 (print) 1943-0655 (electronic) |
| Related URLs: | |
| Subjects: | Q Science > QC Physics |
| Divisions: | Faculty of Physical Sciences and Engineering > Electronics and Computer Science Faculty of Physical Sciences and Engineering > Optoelectronics Research Centre Faculty of Physical Sciences and Engineering > Physics and Astronomy |
| Item ID: | 201077 |
| Date Deposited: | 28 Oct 2011 07:56 |
| Last Modified: | 26 Apr 2013 01:05 |
| Contributors: | Holmes, C. (Author) Daly, K.R. (Author) Sparrow, I.J.G. (Author) Gates, J.C. (Author) D'Alessandro, G. (Author) Smith, P.G.R. (Author) |
| Date: | September 2011 |
| Status: | Published |
| Further Information: | Google Scholar |
| ISI Citation Count: | 3 |
| URI: | http://eprints.soton.ac.uk/id/eprint/201077 |
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