Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Tianzhe Zheng"'
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-10 (2024)
Abstract Active metasurfaces provide the opportunity for fast spatio-temporal control of light. Among various tuning methods, organic electro-optic materials provide some unique advantages due to their fast speed and large nonlinearity, along with th
Externí odkaz:
https://doaj.org/article/35bd3529d6234c36871001addb6ad5c4
Autor:
Gregory Roberts, Conner Ballew, Tianzhe Zheng, Juan C. Garcia, Sarah Camayd-Muñoz, Philip W. C. Hon, Andrei Faraon
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-12 (2023)
Abstract Modern imaging systems can be enhanced in efficiency, compactness, and application through the introduction of multilayer nanopatterned structures for manipulation of light based on its fundamental properties. High transmission multispectral
Externí odkaz:
https://doaj.org/article/7e6ad3aa4ccf436a938251ae22409c68
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-8 (2022)
This work experimentally demonstrates nano-electromechanically tunable asymmetric dielectric metasurfaces. The metasurfaces enable large phase tuning, high reflection, a wavelength-scale pixel size, and electrical control of diffraction patterns.
Externí odkaz:
https://doaj.org/article/e24fe2ff2e204512b409bafcaafac31b
Active metasurfaces provide the opportunity for fast spatio-temporal control of light. Among various tuning methods, organic electro-optic materials provide some unique advantages due to their fast speed and large nonlinearity, along with the possibi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::847af2d85f53e6a8079660474fcfd225
https://doi.org/10.21203/rs.3.rs-3001703/v1
https://doi.org/10.21203/rs.3.rs-3001703/v1
Autor:
Matias Kagias, Seola Lee, Andrew C. Friedman, Tianzhe Zheng, David Veysset, Andrei Faraon, Julia R. Greer
Publikováno v:
Advanced Materials. 35
Nano-architected materials represent a class of structural meta-materials that utilze nanoscale features to achieve unconventional material properties such as ultra-low density and high energy absorption. A dearth of fabrication methods capable of pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f83579bfdd60d64d7e019519b7033fa
https://doi.org/10.1002/adma.202209153
https://doi.org/10.1002/adma.202209153
Publikováno v:
Metamaterials, Metadevices, and Metasystems 2022.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21fa196632e55b0747d62b97ecf6374b
https://doi.org/10.1117/12.2632861
https://doi.org/10.1117/12.2632861
Publikováno v:
Conference on Lasers and Electro-Optics.
We present a design for nanoelectromechanical tuning of high-Q slot resonant dielectric metasurfaces. The design provides over 60% intensity modulation under 1.5V and independent modulation for multiwavelengths.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66977eeca7e04444100995e53601729a
https://doi.org/10.1364/cleo_at.2022.jtu5q.3
https://doi.org/10.1364/cleo_at.2022.jtu5q.3
Autor:
Gregory Roberts, Conner Ballew, Tianzhe Zheng, Juan C. Garcia, Sarah Camayd-Muñoz, Philip W. C. Hon, Andrei Faraon
Modern imaging systems can be enhanced in efficiency, compactness, and application through introduction of multilayer nanopatterned structures for manipulation of light based on its fundamental properties. High transmission efficiency multispectral i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b077b6ecac9b05deaa35b7525264b4fe
Photonic topology optimization is a technique used to find the electric permittivity distribution of a device that optimizes an electromagnetic figure-of-merit. Two common techniques are used: continuous density-based optimizations that optimize a gr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8a160f9a3070de71ace5e497c5f8ca9f
http://arxiv.org/abs/2107.09468
http://arxiv.org/abs/2107.09468
We demonstrate nanoelectromechanical tuning of dual-mode resonant dielectric metasurfaces. The devices achieve intensity modulation over 40%, > 10kHz speed, and 144° phase shift with 7V bias voltage.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3cb86a2fe19e9eca8afad60ab0c9101d
https://resolver.caltech.edu/CaltechAUTHORS:20220106-69529300
https://resolver.caltech.edu/CaltechAUTHORS:20220106-69529300