Highly efficient spintronic terahertz emitter

Author: njht

August undefined, 2024

WebNature photonics 23. Mai 2016. Terahertz electromagnetic radiation is extremely useful for numerous applications, including imaging and … WebHighly Efficient Terahertz Spintronic Emitter Integrated with Optimized Photonic Crystal. Abstract: Spintronic terahertz emitters are new to the terahertz source family. They are …

Highly Efficient Spintronic Terahertz Emitter Enabled by …

WebSpintronic thin films are considered as one of the promising terahertz (THz) source candidates, owing to their high performance and low cost. Much effort has been made to achieve spintronic THz sources with broadband and high conversion efficiency. WebDec 14, 2024 · So far, spintronic THz emitters have been proven as one class of efficient THz sources with a broadband spectrum while the performance in the lower THz frequency range (0.1–0.5 THz) limits its applications. on set catering companies

[2105.11775] Active spintronic-metasurface terahertz emitters …

WebMay 25, 2024 · Such hybrid terahertz emitters can combine the advantages of spintronic emitters for being ultrabroadband, efficient and flexible, as well as those of metasurfaces … WebApr 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 ). WebJul 9, 2024 · CHORUS Collections Editor's Pick ABSTRACT We demonstrate antenna-coupled spintronic terahertz (THz) emitters excited by 1550 nm, 90 fs laser pulses. Antennas are employed to optimize THz outcoupling and frequency coverage of ferromagnetic/nonmagnetic metallic spintronic structures. on set catering

a) Schematic of single-repeat spintronic THz emitter. b) …

Efficient metallic spintronic emitters of ultrabroadband …

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 … WebSep 21, 2024 · Spintronic terahertz emitters, typically composed of nanometer-thin magnetic multilayer, have the outstanding capability of producing high-quality, broadband terahertz pulses using extremely simple heterostructures. A question remains on whether an efficient and cheap integration with other silicon-based technologies can be achieved. onset boat toursWebJun 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 … ioannis theodoridis

"WebSpintronic emitters are a unique class of terahertz (THz) sources due to their quasi-two-dimensional geometry and thereby their capability to couple to resonator near fields. Global... " - Highly efficient spintronic terahertz emitter

Highly efficient spintronic terahertz emitter

Active spintronic-metasurface terahertz emitters with tunable …

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 … 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 ...

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WebJul 9, 2024 · Spintronic terahertz (THz) emitter provides the advantages such as apparently broader spectrum, significantly lower cost, and more flexibility in compared with the … 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.

WebHighly Efficient Spintronic Terahertz Emitter Enabled by Metal–Dielectric Photonic Crystal. Zheng Feng, Rui Yu, Yu Zhou, Hai Lu, Wei Tan, Hu Deng, Quancheng Liu ... Advanced Optical Materials 6 (23), 1800965, 2024. 58: 2024: The spin Hall angle and spin diffusion length of Pd measured by spin pumping and microwave photoresistance. Web2 days ago · An important issue for spintronic terahertz emitters is the analysis of spin-current generation and spin-to-charge conversion based on the emitted terahertz signal. …

WebDec 15, 2024 · In this Letter, a unidirectional spintronic terahertz emitter (USTE) integrating a common STE with a metal grating is proposed to manipulate the THz emission process. The dyadic Green's function method and finite element method are adopted to survey the characteristics of the USTE. Simulations show that the metal grating not only has a ... WebDec 10, 2024 · A MIMST device is comprised of a spintronic THz emitter and an EITA metamaterial. To achieve a designable spintronic THz emitter, we chose a W/CoFeB/Pt tri-layer heterostructure as the THz radiator (see figure 1(a)). When pumped by the femtosecond laser pulses, a longitudinal spin-polarized current is formed inside the FM …

WebDec 15, 2024 · In this Letter, a unidirectional spintronic terahertz emitter (USTE) integrating a common STE with a metal grating is proposed to manipulate the THz emission process. …

WebOct 13, 2015 · Terahertz electromagnetic radiation is extremely useful for numerous applications, including imaging and spectroscopy. It is thus highly desirable to have an … onset bufferingWebOct 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... ioannis theodossiouWebSuch hybrid terahertz emitters combine the advantages of spintronic emitters for being ultrabroadband, efficient, and highly flexible, as well as those of metasurfaces for the powerful control capabilities over the polarization state of emitted terahertz waves on an ultracompact platform. ioannis theodosopoulosWebOct 26, 2024 · The hybrid terahertz emitters combine the advantages of spintronic emitters (ultrabroadband, efficient, and highly flexible) with those of metasurfaces, for powerful … onsetcursorWebApr 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. … onset cape verdean festival 2022WebTerahertz 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. on set command the sprinter is inWebOct 26, 2024 · The hybrid terahertz emitters combine the advantages of spintronic emitters (ultrabroadband, efficient, and highly flexible) with those of metasurfaces, for powerful … onset computer cfo