Terahertz spin dynamics in rare-earth orthoferrites

X Li, D Kim, Y Liu, J Kono - Photonics Insights, 2023 - spiedigitallibrary.org
Recent interest in develo** fast spintronic devices and laser-controllable magnetic solids
has sparked tremendous experimental and theoretical efforts to understand and manipulate …

[HTML][HTML] A short guide to recent developments in laser-based gas phase spectroscopy, applications, and tools

V Shumakova, OH Heckl - APL Photonics, 2024 - pubs.aip.org
This article provides an overview of laser-based absorption spectroscopy applications and
discusses the parameter space and requirements of laser systems for each of these …

Terahertz scanning tunneling microscopy for visualizing ultrafast electron motion in nanoscale potential variations

S Yoshida, Y Arashida, H Hirori, T Tachizaki… - Acs …, 2021 - ACS Publications
Studying the microscopic behavior of free carriers in materials at an ultrashort time scale is
critical to develo** semiconductor, optoelectronic, and other technologies satisfying the …

Subcycle mid-infrared electric-field-driven scanning tunneling microscopy with a time resolution higher than 30 fs

Y Arashida, H Mogi, M Ishikawa, I Igarashi… - Acs …, 2022 - ACS Publications
Electric-field-driven scanning tunneling microscopy (STM) that uses carrier envelope phase-
controlled pulses in the THz region (THz-STM) has been attracting considerable attention …

Phase-resolved detection of ultrabroadband THz pulses inside a scanning tunneling microscope junction

M Müller, N Martín Sabanés, T Kampfrath… - ACS …, 2020 - ACS Publications
Coupling phase-stable single-cycle terahertz (THz) pulses to scanning tunneling
microscope (STM) junctions enables spatiotemporal imaging with femtosecond temporal …

Optical parametric amplification of phase-stable terahertz-to-mid-infrared pulses studied in the time domain

N Kanda, N Ishii, J Itatani, R Matsunaga - Optics Express, 2021 - opg.optica.org
We report optical parametric amplification (OPA) of low-frequency infrared pulses in the
intermediate region between terahertz (THz) frequency and mid-infrared (MIR), ie, from 16.9 …

[HTML][HTML] Investigation of ultrafast excited-state dynamics at the nanoscale with terahertz field-induced electron tunneling and photon emission

I Katayama, K Kimura, H Imada, Y Kim… - Journal of Applied …, 2023 - pubs.aip.org
The combination of terahertz (THz) pulses with scanning tunneling microscopy (STM)
enables us to investigate ultrafast dynamics at material surfaces with high spatial …

[PDF][PDF] 基于非线性频率变换的长波红外激光器研究进展

白振旭, 高嘉, 赵臣, 颜秉政, 齐瑶瑶, 丁洁… - Acta Optica …, 2023 - researching.cn
12 μm 长波红外波段激光位于大气传输窗口并覆盖诸多气体分子的吸收带, 在大气探测,
光电对抗等领域具有重要的应用. 目前, 通过粒子数反转激光器直接辐射以及非线性频率变换 …

On the possibility of intense unipolar THz pulses formation in nonhomogeneous nonequilibrium nitrogen plasma channels

AV Bogatskaya, EA Volkova, AM Popov - Photonics, 2023 - mdpi.com
We developed a 3D, fully self-consistent model for analysis of the ultrashort THz unipolar
pulse formation accompanied by its amplification in a nonequilibrium plasma channel …

Phase-controllable multi-laser system with coaxially combined near-infrared and subcycle mid-infrared and THz pulsed beams

Y Arashida, N Umeda, H Mogi, M Ishikawa… - Applied Physics …, 2022 - iopscience.iop.org
With the progress of infrared high-intensity pulse technology, the ultrafast control of
electronic states has been attracting considerable attention. Most elementary excitations of …