Cargando…
Dynamic beam steering with all-dielectric electro-optic III–V multiple-quantum-well metasurfaces
Tunable metasurfaces enable dynamical control of the key constitutive properties of light at a subwavelength scale. To date, electrically tunable metasurfaces at near-infrared wavelengths have been realized using free carrier modulation, and switching of thermo-optical, liquid crystal and phase chan...
Autores principales: | , , , , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2019
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6692380/ https://www.ncbi.nlm.nih.gov/pubmed/31409790 http://dx.doi.org/10.1038/s41467-019-11598-8 |
_version_ | 1783443538825969664 |
---|---|
author | Wu, Pin Chieh Pala, Ragip A. Kafaie Shirmanesh, Ghazaleh Cheng, Wen-Hui Sokhoyan, Ruzan Grajower, Meir Alam, Muhammad Z. Lee, Duhyun Atwater, Harry A. |
author_facet | Wu, Pin Chieh Pala, Ragip A. Kafaie Shirmanesh, Ghazaleh Cheng, Wen-Hui Sokhoyan, Ruzan Grajower, Meir Alam, Muhammad Z. Lee, Duhyun Atwater, Harry A. |
author_sort | Wu, Pin Chieh |
collection | PubMed |
description | Tunable metasurfaces enable dynamical control of the key constitutive properties of light at a subwavelength scale. To date, electrically tunable metasurfaces at near-infrared wavelengths have been realized using free carrier modulation, and switching of thermo-optical, liquid crystal and phase change media. However, the highest performance and lowest loss discrete optoelectronic modulators exploit the electro-optic effect in multiple-quantum-well heterostructures. Here, we report an all-dielectric active metasurface based on electro-optically tunable III–V multiple-quantum-wells patterned into subwavelength elements that each supports a hybrid Mie-guided mode resonance. The quantum-confined Stark effect actively modulates this volumetric hybrid resonance, and we observe a relative reflectance modulation of 270% and a phase shift from 0° to ~70°. Additionally, we demonstrate beam steering by applying an electrical bias to each element to actively change the metasurface period, an approach that can also realize tunable metalenses, active polarizers, and flat spatial light modulators. |
format | Online Article Text |
id | pubmed-6692380 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | Nature Publishing Group UK |
record_format | MEDLINE/PubMed |
spelling | pubmed-66923802019-08-15 Dynamic beam steering with all-dielectric electro-optic III–V multiple-quantum-well metasurfaces Wu, Pin Chieh Pala, Ragip A. Kafaie Shirmanesh, Ghazaleh Cheng, Wen-Hui Sokhoyan, Ruzan Grajower, Meir Alam, Muhammad Z. Lee, Duhyun Atwater, Harry A. Nat Commun Article Tunable metasurfaces enable dynamical control of the key constitutive properties of light at a subwavelength scale. To date, electrically tunable metasurfaces at near-infrared wavelengths have been realized using free carrier modulation, and switching of thermo-optical, liquid crystal and phase change media. However, the highest performance and lowest loss discrete optoelectronic modulators exploit the electro-optic effect in multiple-quantum-well heterostructures. Here, we report an all-dielectric active metasurface based on electro-optically tunable III–V multiple-quantum-wells patterned into subwavelength elements that each supports a hybrid Mie-guided mode resonance. The quantum-confined Stark effect actively modulates this volumetric hybrid resonance, and we observe a relative reflectance modulation of 270% and a phase shift from 0° to ~70°. Additionally, we demonstrate beam steering by applying an electrical bias to each element to actively change the metasurface period, an approach that can also realize tunable metalenses, active polarizers, and flat spatial light modulators. Nature Publishing Group UK 2019-08-13 /pmc/articles/PMC6692380/ /pubmed/31409790 http://dx.doi.org/10.1038/s41467-019-11598-8 Text en © The Author(s) 2019 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. |
spellingShingle | Article Wu, Pin Chieh Pala, Ragip A. Kafaie Shirmanesh, Ghazaleh Cheng, Wen-Hui Sokhoyan, Ruzan Grajower, Meir Alam, Muhammad Z. Lee, Duhyun Atwater, Harry A. Dynamic beam steering with all-dielectric electro-optic III–V multiple-quantum-well metasurfaces |
title | Dynamic beam steering with all-dielectric electro-optic III–V multiple-quantum-well metasurfaces |
title_full | Dynamic beam steering with all-dielectric electro-optic III–V multiple-quantum-well metasurfaces |
title_fullStr | Dynamic beam steering with all-dielectric electro-optic III–V multiple-quantum-well metasurfaces |
title_full_unstemmed | Dynamic beam steering with all-dielectric electro-optic III–V multiple-quantum-well metasurfaces |
title_short | Dynamic beam steering with all-dielectric electro-optic III–V multiple-quantum-well metasurfaces |
title_sort | dynamic beam steering with all-dielectric electro-optic iii–v multiple-quantum-well metasurfaces |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6692380/ https://www.ncbi.nlm.nih.gov/pubmed/31409790 http://dx.doi.org/10.1038/s41467-019-11598-8 |
work_keys_str_mv | AT wupinchieh dynamicbeamsteeringwithalldielectricelectroopticiiivmultiplequantumwellmetasurfaces AT palaragipa dynamicbeamsteeringwithalldielectricelectroopticiiivmultiplequantumwellmetasurfaces AT kafaieshirmaneshghazaleh dynamicbeamsteeringwithalldielectricelectroopticiiivmultiplequantumwellmetasurfaces AT chengwenhui dynamicbeamsteeringwithalldielectricelectroopticiiivmultiplequantumwellmetasurfaces AT sokhoyanruzan dynamicbeamsteeringwithalldielectricelectroopticiiivmultiplequantumwellmetasurfaces AT grajowermeir dynamicbeamsteeringwithalldielectricelectroopticiiivmultiplequantumwellmetasurfaces AT alammuhammadz dynamicbeamsteeringwithalldielectricelectroopticiiivmultiplequantumwellmetasurfaces AT leeduhyun dynamicbeamsteeringwithalldielectricelectroopticiiivmultiplequantumwellmetasurfaces AT atwaterharrya dynamicbeamsteeringwithalldielectricelectroopticiiivmultiplequantumwellmetasurfaces |