On the Study of Advanced Nanostructured Semiconductor-Based Metamaterial


Tunable metamaterials belonging to the class of different reconfigurable optical devices have proved to be an excellent candidate for dynamic and efficient light control. However, due to the consistent optical response of metals, there are some limitations aiming to directly engineer electromagnetic resonances of widespread metal-based composites. The former is accomplished by altering the features or structures of substrates around the resonant unit cells only. In this regard, the adjusting of metallic composites has considerably weak performance. Herein, we make a step forward by providing deep insight into a direct tuning approach for semiconductor-based composites. The resonance behavior of their properties can be dramatically affected by manipulating the distribution of free carriers in unit cells under an applied voltage. The mentioned approach has been demonstrated in the case of semiconductor metamaterials by comparing the enhanced propagation of surface plasmon polaritons with a conventional semiconductor/air case. Theoretically, the presented approach provides a fertile ground to simplify the configuration of engineerable composites and provides a fertile ground for applications in ultrathin, linearly tunable, and on-chip integrated optical components. These include reconfigurable ultrathin lenses, nanoscale spatial light modulators, and optical cavities with switchable resonance modes.

Publication DOI: https://doi.org/10.3390/app12126250
Divisions: College of Engineering & Physical Sciences
College of Engineering & Physical Sciences > Aston Institute of Photonics Technology (AIPT)
Additional Information: © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/) Funding Information: Funding: This project has received funding from the European Union’s Horizon 2020 research and innovation program under the Marie Sklodowska Curie (grant agreement no. 713694) and from Engineering and Physical Sciences Research Council (EPSRC) (grant no. EP/R024898/1).
Uncontrolled Keywords: metamaterial,nanostructure,semiconductor,Materials Science(all),Instrumentation,Engineering(all),Process Chemistry and Technology,Computer Science Applications,Fluid Flow and Transfer Processes
Publication ISSN: 2076-3417
Full Text Link:
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
PURE Output Type: Article
Published Date: 2022-06-20
Accepted Date: 2022-06-18
Authors: Gric, Tatjana
Rafailov, Edik (ORCID Profile 0000-0002-4152-0120)



Version: Published Version

License: Creative Commons Attribution

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