Spintronic terahertz emitters: Status and prospects from a materials perspective

C Bull, SM Hewett, R Ji, CH Lin, T Thomson… - Apl Materials, 2021 - pubs.aip.org
Spintronic terahertz (THz) emitters, consisting of ferromagnetic (FM)/non-magnetic (NM) thin
films, have demonstrated remarkable potential for use in THz time-domain spectroscopy and …

High-power portable terahertz laser systems

A Khalatpour, AK Paulsen, C Deimert… - Nature …, 2021 - nature.com
Terahertz (THz) frequencies remain among the least utilized in the electromagnetic
spectrum, largely due to the lack of powerful and compact sources. The invention of THz …

Photoconductive emitters for pulsed terahertz generation

DR Bacon, J Madéo, KM Dani - Journal of Optics, 2021 - iopscience.iop.org
Conceived over 30 years ago, photoconductive (PC) emitters have proved essential in the
development and spread of terahertz technology. Since then, not only have they been used …

1.4‐mJ high energy terahertz radiation from lithium niobates

B Zhang, Z Ma, J Ma, X Wu, C Ouyang… - Laser & Photonics …, 2021 - Wiley Online Library
Free‐space super‐strong terahertz (THz) electromagnetic fields offer multifaceted
capabilities for reaching extreme nonlinear THz optics. However, the lack of powerful solid …

Optoelectronic frequency-modulated continuous-wave terahertz spectroscopy with 4 THz bandwidth

L Liebermeister, S Nellen, RB Kohlhaas… - Nature …, 2021 - nature.com
Broadband terahertz spectroscopy enables many promising applications in science and
industry alike. However, the complexity of existing terahertz systems has as yet prevented …

Cascaded amplification and manipulation of terahertz emission by flexible spintronic heterostructures

Z Jin, Y Peng, Y Ni, G Wu, B Ji, X Wu… - Laser & Photonics …, 2022 - Wiley Online Library
Spintronic heterostructures consisting of ferromagnetic (FM) and nonmagnetic (NM) have
become increasingly important devices for terahertz (THz) pulse generation, named as …

Dispersion-engineered nanophotonics: a flexible tool for nonclassical light

M Jankowski, J Mishra, MM Fejer - Journal of Physics: Photonics, 2021 - iopscience.iop.org
This article reviews recent progress in quasi-phasematched $\chi^{(2)} $ nonlinear
nanophotonics, with a particular focus on dispersion-engineered nonlinear interactions …

Enhanced THz radiation through a thick plasmonic electrode grating photoconductive antenna with tight photocarrier confinement

DS Ponomarev, DV Lavrukhin, IA Glinskiy… - Optics Letters, 2023 - opg.optica.org
We propose the design of a photoconductive antenna (PCA) emitter with a plasmonic
grating featuring a very high plasmonic Au electrode with a thickness of 170? nm. As we …

Ultrabroadband terahertz time-domain spectroscopy using III-V photoconductive membranes on silicon

RB Kohlhaas, S Breuer, S Mutschall, M Kehrt… - Optics …, 2022 - opg.optica.org
Electromagnetic waves in the terahertz (THz) frequency range are widely used in
spectroscopy, imaging and sensing. However, commercial, table-top systems covering the …

[HTML][HTML] The physics of terahertz negative photoconductivity in low-dimensional materials

S Kar, J Lake, SO Adeyemo, TS Santra… - Materials Today Physics, 2022 - Elsevier
Enhancement of conductivity is the common photoresponse when incident photons
temporarily generate free carries after photoexcitation in a solid-crystalline-material. In sharp …