Terahertz Phonon Mode Engineering of Highly Efficient Organic Terahertz Generators
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DOI: 10.1002/adfm.201605583
Abstract: For terahertz (THz) wave generators based on organic electrooptic crystals, their intrinsic phonon modes are playing an essential role in THz generation characteristics. Here, this study proposes an effective design strategy for THz phonon mode… read more here.
Keywords: phonon mode; thz; mode engineering;
Frequency-Independent Terahertz Anomalous Hall Effect in DyCo5 , Co32 Fe68 , and Gd27 Fe73 Thin Films from DC to 40 THz.
Sign Up to like & getrecommendations! Published in 2021 at "Advanced materials"
DOI: 10.1002/adma.202007398
Abstract: The anomalous Hall effect (AHE) is a fundamental spintronic charge-to-charge-current conversion phenomenon and closely related to spin-to-charge-current conversion by the spin Hall effect. Future high-speed spintronic devices will crucially rely on such conversion phenomena at… read more here.
Keywords: thin films; hall effect; thz; co32 fe68 ... See more keywords
Terahertz chiral metamaterials enabled by textile manufacturing.
Sign Up to like & getrecommendations! Published in 2022 at "Advanced materials"
DOI: 10.1002/adma.202110590
Abstract: Easy-to-fabricate, large-area, and inexpensive microstructures that realize control of the polarization of terahertz (THz) radiation are of fundamental importance to the development of the field of THz wave photonics. However, due to the lack of… read more here.
Keywords: thz radiation; chiral metamaterials; textile manufacturing; polarization ... 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
Terahertz Modulators Based on Silicon Nanotip Array
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DOI: 10.1002/adom.201700620
Abstract: As an attractive applications of terahertz (THz) radiation, imaging with THz technique stands at the focus of current interest. THz spatial modulators are key issue for fast imaging with a single detector. Here, for the… read more here.
Keywords: based silicon; modulators based; terahertz modulators; thz ... See more keywords
Enhanced Terahertz Shielding of MXenes with Nano-Metamaterials
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DOI: 10.1002/adom.201701076
Abstract: DOI: 10.1002/adom.201701076 THz electronics and devices.[12] Recently, nonlinear optical phenomena using high power THz sources[13] and THz plasmonics[14] have been intensively explored. However, electromagnetic interference (EMI) often generated from those THz devices must be shielded… read more here.
Keywords: carbon; shielding performance; thz; emi ... See more keywords
Terahertz Emission from Compensated Magnetic Heterostructures
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DOI: 10.1002/adom.201800430
Abstract: Terahertz emission spectroscopy (TES) has recently played an important role in unveiling the spin dynamics at a terahertz (THz) frequency range. So far, ferromagnetic (FM)/nonmagnetic (NM) heterostructures have been intensively studied as THz sources. Compensated… read more here.
Keywords: thz; terahertz emission; compensated magnetic; magnetic heterostructures ... See more keywords
Laser‐Driven Strong‐Field Terahertz Sources
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DOI: 10.1002/adom.201900681
Abstract: DOI: 10.1002/adom.201900681 reason for this interest relies on the fact that THz radiation can couple resonantly to numerous fundamental motions of ions, electrons, and electron spins in all phases of matter. For example, in solids,… read more here.
Keywords: spectral range; range; field; driven strong ... See more keywords
Efficient Gap‐Free Broadband Terahertz Generators Based on New Organic Quinolinium Single Crystals
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DOI: 10.1002/adom.201900953
Abstract: New organic electro‐optic crystals containing orthogonally oriented electron‐withdrawing groups are developed for efficient and gap‐free THz wave generation with a very flat broadband spectral shape. These crystals consist of 2‐(4‐hydroxystyryl)‐1‐methylquinolinium (OHQ) cationic chromophores and nonplanar… read more here.
Keywords: gap free; broadband; efficient gap; new organic ... See more keywords
Co 2 FeAl Full Heusler Compound Based Spintronic Terahertz Emitter
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DOI: 10.1002/adom.202001987
Abstract: To achieve a large terahertz (THz) amplitude from a spintronic THz emitter (STE), materials with 100\% spin polarisation such as Co-based Heusler compounds as the ferromagnetic layer are required. However, these compounds are known to… read more here.
Keywords: heusler; feal full; thz; heusler compound ... See more keywords
Organic THz Generators: A Design Strategy for Organic Crystals with Ultralarge Macroscopic Hyperpolarizability
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DOI: 10.1002/adom.202100324
Abstract: Newly designed halogenated organic quinolinium crystals proposed in this work provide fully optimized molecular ordering for maximizing the optical nonlinearity and high‐performance broadband terahertz (THz) wave generation. The ultralarge diagonal optical nonlinearity (almost 300 ×… read more here.
Keywords: design strategy; ultralarge macroscopic; organic crystals; macroscopic hyperpolarizability ... See more keywords