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Title: Optical addressing of nanomechanical metamaterials with subwavelength resolution
Authors: Ou, Jun-Yu
Plum, Eric
Zheludev, Nikolay I.
Keywords: DRNTU::Science::Physics
Electromagnetic Radiation
Issue Date: 2018
Source: Ou, J.-Y., Plum, E., & Zheludev, N. I. (2018). Optical addressing of nanomechanical metamaterials with subwavelength resolution. Applied Physics Letters, 113(8), 081104-. doi:10.1063/1.5036966
Series/Report no.: Applied Physics Letters
Abstract: Metamaterials that offer “on-demand” control of individual metamolecules are termed “randomly accessible metamaterials.” They can be useful for manipulation of the wavefront of electromagnetic radiation, for 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.
DOI: 10.1063/1.5036966
Schools: School of Physical and Mathematical Sciences 
Research Centres: The Photonics Institute 
Centre for Disruptive Photonic Technologies (CDPT) 
Rights: © 2018 The Author(s) (Published by AIP). All rights reserved. This paper was published in Applied Physics Letters and is made available with permission of The Author(s) (Published by AIP).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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