Results 81 to 90 of about 44,433 (290)
Field-resolved high-order sub-cycle nonlinearities in a terahertz semiconductor laser
Light: Science & Applications, 2021 Two-dimensional terahertz strong-field spectroscopy reveals wave-mixing processes up to eighth order in a free-running quantum cascade laser, unraveling its sub-cycle gain dynamics and nonlinearities in a regime of negative absorption.
J. Riepl +13 more
doaj +1 more source
Fluence and polarisation dependence of GaAs based Lateral Photo-Dember terahertz emitters
, 2014 We characterise THz output of lateral photo-Dember (LPD) emitters based on semi-insulating (SI), unannealed and annealed low temperature grown (LTG) GaAs.
Apostolopoulos, V. +6 more
core +1 more source
Advanced Materials, EarlyView.Ordered three‐dimensional anodic aluminum oxide (3D‐AAO) nanoarchitectures with longitudinal and transverse pores enable architecture‐driven metamaterials. The review maps fabrication advances, including hybrid pulse anodization, and shows how 3D‐AAO templates tailor properties across magnetism, energy, catalysis, and sensing.
Marisol Martín‐González
wiley +1 more source
Handed Magnon Propagation in Easy‐Axis Antiferromagnetic α‐Fe2O3
Advanced Materials, EarlyView.Coherent excitation and detection of handed magnons are achieved in the easy‐axis antiferromagnet α‐Fe2O3. An external magnetic field lifts the degeneracy between left‐ and right‐handed magnons without affecting their propagation velocity. The Dzyaloshinskii–Moriya interaction and anisotropy modulate their amplitude and damping, enabling intrinsic ...
Chang Xu +3 more
wiley +1 more source
Optoelectronic frequency-modulated continuous-wave terahertz spectroscopy with 4 THz bandwidth
Nature Communications, 2021 Time-domain spectroscopy with terahertz frequencies typically requires complex and bulky systems. Here, the authors present an opto-electronics-based, frequency-domain terahertz sensing technique which offers competitive measurement performance in a much
Lars Liebermeister +7 more
doaj +1 more source
Terahertz Magneto Optical Polarization Modulation Spectroscopy
, 2012 We report the development of new terahertz techniques for rapidly measuring the complex Faraday angle in systems with broken time-reversal symmetry using the cyclotron resonance of a GaAs two-dimensional electron gas in a magnetic field as a system for ...
Aguilar +30 more
core +1 more source
Translation-Invariant Zero-Phase Wavelet Methods for Feature Extraction in Terahertz Time-Domain Spectroscopy [PDF]
, 2022 Mahmoud E. Khani, M. Hassan Arbab
openalex +1 more source
Terahertz spectroscopy: The renaissance of far infrared spectroscopy
Journal of Molecular Structure, 2010 This article does not attempt to offer an exhaustive assessment of the current status of terahertz technology, nor does it endeavour to cover all the anticipated applications of terahertz science, rather it is an attempt to raise the awareness of this tool among those molecular spectroscopists who may not yet have considered the emerging opportunities ...
Mantsch, Henry H., Naumann, Dieter
openaire +2 more sources
Phase Engineering of Nanogold: Non‐Close Packed Square Planes in A′B′ Stacking with a 0.5 Å Channel
Advanced Materials, EarlyView.Gold is well known to adopt the face‐centered‐cubic (fcc) structure. This work presents an unusual non‐close‐packed phase attained in a 40‐atom gold nanocluster, which is in contrast with the close‐packed fcc quasi‐isomer. The non‐compact structure exhibits exclusive square planes in a layer‐by‐layer stacking, hence, possessing a unique 0.5 Å channel ...
Yitong Wang +8 more
wiley +1 more source
Advanced Materials Technologies, EarlyView.Fluorinated graphene has opened new opportunities for real‐world applications; however, its working and thermal stability are key issues for practical use. This study successfully demonstrates the stability of a fluorinated graphene‐based photodetector, achieved through a graphene, fluorinated graphene heterostructure (Gr/F‐Gr HS).
Mukesh Kumar Thakur +11 more
wiley +1 more source