Highly efficient spintronic terahertz emitter
WebSep 16, 2024 · The spintronic emitter is magnetized by an external magnetic field (20 mT) in the magnetic easy axis direction, which is perpendicular to the direction of the incident … WebOct 22, 2024 · The highest possible THz signal strength from spintronic THz emitters is limited by the of the corresponding heterostructures at the excitation wavelength. For the thickness-optimized spintronic heterostructure, the THz generation efficiency does not saturate with the excitation fluence even up till the damage threshold.
Highly efficient spintronic terahertz emitter
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WebFigure 1. Experimental setup and terahertz signals. a. Schematic of the experimental setup. The x-y-z coordinate is adapted to the laboratory frame and the lattice coordinates are labeled as a-b-c. The crystal azimuthal angle 𝜑, polar angle 𝜃 and the laser-polarization angle 𝛼 are defined. Femtosecond-laser induced electrons are injected from the NM layer, … WebOct 13, 2015 · Terahertz electromagnetic radiation is extremely useful for numerous applications such as imaging and spectroscopy. Therefore, it is highly desirable to have an efficient table-top emitter covering the 1-to-30-THz window whilst being driven by a low-cost, low-power femtosecond laser oscillator. So far, all solid-state emitters solely exploit …
WebNov 18, 2024 · A high-quality terahertz source is an indispensable core component for the application of terahertz technology. Currently, most broadband THz sources are driven by femtosecond laser pulses to generate terahertz pulses. WebApr 13, 2024 · An efficient spintronic THz emitter based on ferromagnet/heavy metal/topological insulator heterostructures was demonstrated. ... Highly efficient THz emission from the Bi 2 Se 3 /Co heterostructures modified with ultrafast ... Qiu H, Wang D, Zhang C, Sun S, Jin B, et al. Spintronic terahertz emitter. Journal of Applied Physics. …
WebSystematic experimental study on a highly efficient terahertz source based on two-color laser-induced air plasma Jun Xie, Wen-Hui Fan and Xu Chen ... metasurfaces Shay Keren-Zur et al-Highly Efficient Spintronic Terahertz Emitter Enabled by Metal-Dielectric Photonic Crystal Zheng Feng et al-This content was downloaded from IP address 157.55.39 ... WebOct 13, 2015 · Terahertz electromagnetic radiation is extremely useful for numerous applications, including imaging and spectroscopy. It is thus highly desirable to have an …
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WebNature photonics 23. Mai 2016. Terahertz electromagnetic radiation is extremely useful for numerous applications, including imaging and … did carolina panthers ever win a super bowlWebOct 26, 2024 · The hybrid terahertz emitters combine the advantages of spintronic emitters (ultrabroadband, efficient, and highly flexible) with those of metasurfaces, for powerful control over the... did caroline grills have an impartial juryWebApr 8, 2024 · Terahertz (THz) band lies between the microwave and infrared ranges of the electromagnetic spectrum and has interesting features such as high spatial resolution, non-destructive, less harmful, non-ionizing, and better penetration depth compared to other frequency ranges (Federici et al. 2013 ). did carolina panthers win last nightWebJan 4, 2024 · Most recently, a novel THz emitter emerges and rises, which is based on the spin-related effects in magnetic/nonmagnetic nanofilms and can cover the full range of the THz band, named as spintronic THz emitter (STE). did caroline flack date prince harryWebJun 8, 2024 · The spintronic THz emitter array (STEA) is excited by two-DMD-encoded fs laser pulses and generates spatially coded THz pulses. An object “CAEP” was placed in … citylawn instagramWebOct 9, 2024 · Spintronic terahertz (THz) emitter provides the advantages such as apparently broader spectrum, significantly lower cost, and more … citylaw loginWebTerahertz electromagnetic radiation is extremely useful for numerous applications such as imaging and spectroscopy. Therefore, it is highly desirable to have an efficient table-top emitter covering the 1-to-30-THz window whilst being driven by a low-cost, low-power femtosecond laser oscillator. citylaw limited