Optical addressing of nanomechanical metamaterials with subwavelength resolution
Optical addressing of nanomechanical metamaterials with subwavelength resolution
Metamaterials that offer “on-demand” control of individual metamolecules are termed “randomly accessible metamaterials”. They can be useful for manipulating the wavefront of electromagnetic radiation, tailoring of the nearfield, and ultimately for multichannel data processing. Here we demonstrate how light can be used to actuate individual metamaterial elements on demand. Selectivity is achieved by constructing the metamaterial from nanomechanical elements that are designed to have slightly different mechanical resonance frequencies. Actuation is controlled by modulation of the optical control signal at the mechanical resonance frequencies of targeted elements, providing an all-optical route to randomly accessible metamaterials with spatial resolution beyond the diffraction limit.
Ou, Jun-Yu
3fb703e3-b222-46d2-b4ee-75f296d9d64d
Plum, Eric
50761a26-2982-40df-9153-7aecc4226eb5
Zheludev, Nikolai
32fb6af7-97e4-4d11-bca6-805745e40cc6
Ou, Jun-Yu
3fb703e3-b222-46d2-b4ee-75f296d9d64d
Plum, Eric
50761a26-2982-40df-9153-7aecc4226eb5
Zheludev, Nikolai
32fb6af7-97e4-4d11-bca6-805745e40cc6
Ou, Jun-Yu, Plum, Eric and Zheludev, Nikolai
(2018)
Optical addressing of nanomechanical metamaterials with subwavelength resolution.
Applied Physics Letters, 113 (8).
(doi:10.1063/1.5036966).
Abstract
Metamaterials that offer “on-demand” control of individual metamolecules are termed “randomly accessible metamaterials”. They can be useful for manipulating the wavefront of electromagnetic radiation, tailoring of the nearfield, and ultimately for multichannel data processing. Here we demonstrate how light can be used to actuate individual metamaterial elements on demand. Selectivity is achieved by constructing the metamaterial from nanomechanical elements that are designed to have slightly different mechanical resonance frequencies. Actuation is controlled by modulation of the optical control signal at the mechanical resonance frequencies of targeted elements, providing an all-optical route to randomly accessible metamaterials with spatial resolution beyond the diffraction limit.
Text
Optical addressing of nanomechanical metamaterials with subwavelength resolution
- Accepted Manuscript
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Accepted/In Press date: 2 August 2018
e-pub ahead of print date: 22 August 2018
Identifiers
Local EPrints ID: 424728
URI: http://eprints.soton.ac.uk/id/eprint/424728
ISSN: 0003-6951
PURE UUID: 1bbd4598-3a00-4e77-b087-250a2a509217
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Date deposited: 05 Oct 2018 11:41
Last modified: 16 Mar 2024 07:00
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Author:
Jun-Yu Ou
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