Tuning the polarization states of optical spots at the nanoscale on the Poincar, sphere using a plasmonic nanoantenna

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Öğüt, Erdem and Şendur, Kürşat (2011) Tuning the polarization states of optical spots at the nanoscale on the Poincar, sphere using a plasmonic nanoantenna. Applied Physics A - Materials Science & Processing, 103 (3). pp. 855-858. ISSN 0947-8396 (Print) 1432-0630 (Online)

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Abstract

It is shown that the polarization states of optical spots at the nanoscale can be manipulated to various points on the Poincar, sphere using a plasmonic nanoantenna. Linearly, circularly, and elliptically polarized near-field optical spots at the nanoscale are achieved with various polarization states on the Poincar, sphere using a plasmonic nanoantenna. A novel plasmonic nanoantenna is illuminated with diffraction-limited linearly polarized light. It is demonstrated that the plasmonic resonances of perpendicular and longitudinal components of the nanoantenna and the angle of incident polarization can be tuned to obtain optical spots beyond the diffraction limit with a desired polarization and handedness.
Item Type: Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials
Q Science > QC Physics > QC1 General
Divisions: Faculty of Engineering and Natural Sciences > Academic programs > Mechatronics
Faculty of Engineering and Natural Sciences
Depositing User: Kürşat Şendur
Date Deposited: 22 Jun 2011 11:36
Last Modified: 29 Jul 2019 15:52
URI: https://research.sabanciuniv.edu/id/eprint/16575

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