Show simple item record

AuthorSherif, S M
AuthorZografopoulos, D C
AuthorShahada, L A
AuthorBeccherelli, R
AuthorSwillam, M
Available date2021-02-08T09:14:56Z
Publication Date2017
Publication NameJournal of Physics D: Applied Physics
ResourceScopus
URIhttp://dx.doi.org/10.1088/1361-6463/aa5454
URIhttp://hdl.handle.net/10576/17650
AbstractWe propose a plasmonic refractometric sensor that is based on Fano resonances excited in a resonant rectangular cavity coupled to a metal-insulator-metal bus waveguide. The properties of the resonances are controlled by varying the dimensions of the rectangular resonator and the observed Fano profile stems from the multimode interference of resonant cavity modes. We theoretically investigate the device's performance as a highly sensitive refractometric plasmonic sensor which operates on gases, water and organic solvent solutions with tens of femtoliters of analyte. The sensor is studied in a wide operational range (0.7-2.7 m) covering the entire near infrared spectral range, and is characterized by large sensitivity, which reaches 1550 nm RIU-1, and sensitivity per unit volume higher than 107 nm (RIU nl)-1 at the resonant wavelength of 1.55 m. The proposed plasmonic structure is very promising for integrated sensing applications owing to its small footprint and surprisingly simple layout.
Languageen
PublisherInstitute of Physics Publishing
Subjectintegrated devices
plasmonics
refractometric sensors
TitleIntegrated plasmonic refractometric sensor using Fano resonance
TypeArticle
Issue Number5
Volume Number50
dc.accessType Abstract Only


Files in this item

FilesSizeFormatView

There are no files associated with this item.

This item appears in the following Collection(s)

Show simple item record