Terahertz Emission from Compensated Magnetic Heterostructures
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Optical Materials"
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
Light-Driven Spintronic Heterostructures for Coded Terahertz Emission.
Sign Up to like & getrecommendations! Published in 2022 at "ACS nano"
DOI: 10.1021/acsnano.2c02160
Abstract: The extraordinary proliferation of digital coding metasurfaces turns the real-time manipulation of electromagnetic (EM) waves into reality and promotes the programmable operation of multifunctional equipment. However, current studies are mainly involved in the modulation of… read more here.
Keywords: driven spintronic; emission; terahertz emission; coded terahertz ... See more keywords
Nanoscale Laser Terahertz Emission Microscopy
Sign Up to like & getrecommendations! Published in 2017 at "ACS Photonics"
DOI: 10.1021/acsphotonics.7b00870
Abstract: Laser terahertz emission microscopy (LTEM) has become a powerful tool for studying ultrafast dynamics and local fields in many different types of materials. This technique, which relies on acceleration of charge carriers in a material… read more here.
Keywords: terahertz emission; emission microscopy; laser terahertz; microscopy ... See more keywords
Selective terahertz emission due to electrically excited 2D plasmons in AlGaN/GaN heterostructure
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Applied Physics"
DOI: 10.1063/1.5118771
Abstract: Terahertz radiation emission from an electrically excited AlGaN/GaN heterostructure with a surface metal grating was studied under conditions of two-dimensional (2D) electron heating by the lateral electric field. Intensive peaks related to nonequilibrium 2D plasmons… read more here.
Keywords: emission; algan gan; terahertz emission; gan heterostructure ... See more keywords
Hydrodynamical study of terahertz emission in magnetized graphene field-effect transistors
Sign Up to like & getrecommendations! Published in 2021 at "Applied Physics Letters"
DOI: 10.1063/5.0045444
Abstract: Several hydrodynamic descriptions of charge transport in graphene have been presented in recent years. We discuss a general hydrodynamic model governing the dynamics of a two-dimensional electron gas in a magnetized field-effect transistor in the… read more here.
Keywords: field; effect; terahertz emission; hydrodynamical study ... See more keywords
Terahertz emission from transient currents and coherent phonons in layered MoSe2 and WSe2
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Applied Physics"
DOI: 10.1063/5.0146489
Abstract: Terahertz (THz) time-domain emission spectroscopy was performed on layered 2H-MoSe 2 and 2H-WSe 2. The THz emission shows an initial cycle attributed to surge currents and is followed by oscillations attributed to coherent interlayer phonon… read more here.
Keywords: emission transient; spectroscopy; thz emission; transient currents ... See more keywords
Modeling terahertz emission from the target rear side during intense laser-solid interactions.
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review E"
DOI: 10.1103/physreve.100.053204
Abstract: Relativistic laser-solid target interaction is a powerful source of terahertz radiation where broadband terahertz radiation is emitted from the front and rear surfaces of the target. Even though several experimental works have reported the generation… read more here.
Keywords: terahertz emission; target rear; laser solid; target ... See more keywords
Layer thickness dependence of the terahertz emission based on spin current in ferromagnetic heterostructures.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.015247
Abstract: The emission with a bandwidth of 1.5 terahertz based on the spin current in the ferromagnetic heterostructure Co/Pt is demonstrated. The spin transient launched by the NIR femtosecond laser pulse in the Co/Pt is converted… read more here.
Keywords: emission; based spin; terahertz emission; current ferromagnetic ... See more keywords
Terahertz emission pattern from a single-color filament plasma.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.476382
Abstract: We study the angular distribution of different spectral components of the terahertz emission from a single-color laser filament plasma. The opening angle of a terahertz cone is experimentally demonstrated to be proportional to the inverse… read more here.
Keywords: terahertz emission; single color; plasma; filament plasma ... See more keywords
Terahertz emission and optical second harmonic generation from Si surfaces
Sign Up to like & getrecommendations! Published in 2019 at "Optical Materials Express"
DOI: 10.1364/ome.9.002376
Abstract: We study polarity reversal in terahertz pulses generated from p-doped Si(001) surfaces with different doping levels. The azimuthal dependence of both terahertz emission and second-harmonic generation caused by the bulk electric quadrupole and magnetic dipole… read more here.
Keywords: second harmonic; harmonic generation; terahertz emission; emission optical ... See more keywords
Terahertz emission from localized modes in one-dimensional disordered systems [Invited]
Sign Up to like & getrecommendations! Published in 2018 at "Photonics Research"
DOI: 10.1364/prj.6.000117
Abstract: We demonstrate terahertz (THz) frequency laser emission around 3.2 THz from localized modes in one-dimensional disordered grating systems. The disordered structures are patterned on top of the double-metal waveguide of a THz quantum cascade laser. Multiple… read more here.
Keywords: modes one; one dimensional; terahertz emission; dimensional disordered ... See more keywords