Chalcogenide Phase Change Material for Active Terahertz Photonics.
Sign Up to like & getrecommendations! Published in 2019 at "Advanced materials"
DOI: 10.1002/adma.201808157
Abstract: The strikingly contrasting optical properties of various phases of chalcogenide phase change materials (PCM) has recently led to the development of novel photonic devices such as all-optical non-von Neumann memory, nanopixel displays, color rendering, and… read more here.
Keywords: chalcogenide phase; phase change; photonics; change material ... See more keywords
On-Chip Active Control of Ultra-High-Q Terahertz Photonic Topological Cavities.
Sign Up to like & getrecommendations! Published in 2022 at "Advanced materials"
DOI: 10.1002/adma.202202370
Abstract: Rapid scaling of semiconductor devices has led to an increase in the number of processor cores and integrated functionalities onto a single chip to support the growing demands of high-speed and large-volume consumer electronics. To… read more here.
Keywords: chip active; control; terahertz; ultra high ... See more keywords
Generation of 13.9-mJ Terahertz Radiation from Lithium Niobate Materials.
Sign Up to like & getrecommendations! Published in 2023 at "Advanced materials"
DOI: 10.1002/adma.202208947
Abstract: Extremely strong‐field terahertz (THz) radiation in free space has compelling applications in nonequilibrium condensed matter state regulation, all‐optical THz electron acceleration and manipulation, THz biological effects, etc. However, these practical applications are constrained by the… read more here.
Keywords: thz; lithium niobate; radiation lithium; generation ... See more keywords
Frequency‐Agile Temporal Terahertz Metamaterials
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Optical Materials"
DOI: 10.1002/adom.202000101
Abstract: DOI: 10.1002/adom.202000101 through most material systems. These unique properties of terahertz waves have been exploited for both fundamental sciences and advanced applications, alike. However, these properties have also been a bane and has significantly hindered… read more here.
Keywords: terahertz waves; frequency; temporal terahertz; agile temporal ... See more keywords
Bifunctional Manipulation of Terahertz Waves with High‐Efficiency Transmissive Dielectric Metasurfaces
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202205499
Abstract: Multifunctional terahertz (THz) devices in transmission mode are highly desired in integration‐optics applications, but conventional devices are bulky in size and inefficient. While ultra‐thin multifunctional THz devices are recently demonstrated based on reflective metasurfaces, their… read more here.
Keywords: thz devices; high efficiency; dielectric metasurfaces; terahertz ... See more keywords
In vivo terahertz reflection imaging of human scars during and after the healing process.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of biophotonics"
DOI: 10.1002/jbio.201600171
Abstract: We use terahertz imaging to measure four human skin scars in vivo. Clear contrast between the refractive index of the scar and surrounding tissue was observed for all of the scars, despite some being difficult… read more here.
Keywords: terahertz reflection; healing process; reflection imaging; vivo terahertz ... See more keywords
Optimization for continuous-wave terahertz reflection imaging for biological tissues.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of biophotonics"
DOI: 10.1002/jbio.202100245
Abstract: Continuous-wave terahertz reflection imaging is a potential tool for biological tissues. Based on our home-made continuous-wave terahertz reflection imaging system, the effect of both polarization mode and reflection window on the imaging performance is studied… read more here.
Keywords: continuous wave; terahertz reflection; reflection imaging; wave terahertz ... See more keywords
Strong and narrowband terahertz radiation from GaAs based pHEMT and terahertz imaging
Sign Up to like & getrecommendations! Published in 2020 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.32525
Abstract: Strong and narrowband terahertz (THz) radiation is obtained from a GaAs‐based pseudomorphic high‐electron‐mobility transistor (pHEMT). The radiation properties with respect to the bias conditions and operating temperature are extensively characterized. The maximum emission power is… read more here.
Keywords: phemt; strong narrowband; terahertz; radiation ... See more keywords
Investigation on fiber‐based terahertz source
Sign Up to like & getrecommendations! Published in 2021 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.32943
Abstract: A terahertz (THz) source based on hybrid Opt‐THz fiber, which is made of concentric central optical fiber and external Terahertz fiber, was proposed. With the enhanced second order nonlinearity in the central optical fiber, THz… read more here.
Keywords: terahertz; investigation fiber; thz fiber; source ... See more keywords
Modulating the Near Field Coupling through Resonator Displacement in Planar Terahertz Metamaterials
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Infrared, Millimeter, and Terahertz Waves"
DOI: 10.1007/s10762-016-0324-3
Abstract: We present the effect of vertical displacements between the resonators inside the unit cell of planar coupled metamaterials on their near field coupling and hence on the terahertz (THz) wave modulation. The metamolecule design consists… read more here.
Keywords: planar; field; near field; displacement ... See more keywords
Quasi-Wollaston-Prism for Terahertz Frequencies Fabricated by 3D Printing
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Infrared, Millimeter, and Terahertz Waves"
DOI: 10.1007/s10762-016-0350-1
Abstract: In this letter, we present the design, fabrication, and characterization of a quasi-Wollaston prism for terahertz frequencies based on form birefringence. The prism uses the birefringence induced in a sub-wavelength layered plastic-air structure that produces… read more here.
Keywords: wollaston prism; quasi wollaston; prism; terahertz frequencies ... See more keywords