Journal
NANO LETTERS
Volume 14, Issue 1, Pages 294-298Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl4039967
Keywords
Plasmonics; nanoantenna; holography; diffraction; polarization; switching
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Funding
- Cambridge Overseas Trust
- Mexican National Council on Science and Technology (CONACyT)
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We prove theoretically and experimentally the concept of polarization holography by producing visible diffraction through radiation emitted by plasmonic nanoantennas. We show a methodology to selectively activate the nanoantenna emission by controlling the orientation of the electric field of a beam. Additionally, we demonstrate that it is possible to superpose two independent transverse nanoantennas in the same plane without producing interference in their radiated field. Hence, we introduce an alternative view to the traditional concept of holography where fringes (or diffractive units) are band-limited to half the wavelength.
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