Full 2π tunable phase modulation using avoided crossing of resonances.
Sign Up to like & getrecommendations! Published in 2022 at "Nature communications"
DOI: 10.1038/s41467-022-29721-7
Abstract: Active metasurfaces have been proposed as one attractive means of achieving high-resolution spatiotemporal control of optical wavefronts, having applications such as LIDAR and dynamic holography. However, achieving full, dynamic phase control has been elusive in… read more here.
Keywords: full tunable; tunable phase; phase modulation; avoided crossing ... See more keywords
Tunable phase-change metasurfaces
Sign Up to like & getrecommendations! Published in 2021 at "Nature Nanotechnology"
DOI: 10.1038/s41565-021-00892-6
Abstract: The use of phase-change materials makes metasurfaces and nanoantennas electrically tunable and switchable, bringing their functionality to the next level. read more here.
Keywords: phase; change metasurfaces; phase change; nanotechnology ... See more keywords
Terahertz artificial birefringence and tunable phase shifter based on dielectric metasurface with compound lattice.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.011405
Abstract: A dielectric metasurface with line-square compound lattice structure has been fabricated and demonstrated in the terahertz (THz) regime by the THz time-domain spectroscopy and numerical simulation. A polarization dependent electromagnetically induced transparency (EIT) effect is… read more here.
Keywords: phase; phase shifter; dielectric metasurface; metasurface ... See more keywords
Non-Hermitian laser arrays with tunable phase locking.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.456100
Abstract: Inspired by the idea of non-Hermitian spectral engineering and non-Hermitian skin effect, a novel, to the best of our knowledge, design for stable emission of coupled laser arrays with tunable phase locking and strong supermode… read more here.
Keywords: laser arrays; phase locking; non hermitian; laser ... See more keywords