Nonlinear optical physics at terahertz frequency

Y Lu, Y Huang, J Cheng, R Ma, X Xu, Y Zang, Q Wu… - …, 2024 - degruyter.com
Terahertz (THz) waves have exhibited promising prospects in 6G/7G communications,
sensing, nondestructive detection, material modulation, and biomedical applications. With …

Ultrafast high-harmonic spectroscopy of solids

C Heide, Y Kobayashi, SRU Haque, S Ghimire - Nature Physics, 2024 - nature.com
High-harmonic spectroscopy, an ultrafast all-optical technique initially conceptualized in
atomic and molecular systems, has now emerged as a powerful platform for studying the …

High-order harmonics generation in Cd and Pd laser-induced plasmas

RA Ganeev, VV Kim, J Butikova, A Atvars, J Grube… - Optics …, 2023 - opg.optica.org
We demonstrate the generation of high-order harmonics of laser pulses in palladium and
cadmium plasmas. We adjusted the wavelength of driving pulses to investigate the …

Analytically controlling the laser-induced electron phase in sub-cycle motion

DA Trieu, TTD Nguyen, TDD Nguyen, T Tran, VH Le… - Physical Review A, 2024 - APS
We develop an approach to directly control the phase of an electron's sub-cycle motion in an
intense laser field. The method is established by tuning a low-frequency electric field applied …

[HTML][HTML] Hot electron effect in high-order harmonic generation from graphene driven by elliptically polarized light

K Nakagawa, W Mao, SA Sato, H Ago, A Rubio… - APL Photonics, 2024 - pubs.aip.org
We studied high-order harmonic generation (HHG) in graphene driven by either linearly or
elliptically polarized mid-infrared (MIR) light, and we additionally applied terahertz (THz) …

Light-enhanced nonlinear Hall effect

F Qin, R Chen, CH Lee - arXiv preprint arXiv:2401.18038, 2024 - arxiv.org
It is well known that a nontrivial Chern number results in quantized Hall conductance. What
is less known is that, generically, the Hall response can be dramatically different from its …

High Harmonic Generation near the Low-Frequency Edge of a Plateau under Nonlinear Propagation of 1.24-μm Near-Infrared Femtosecond Laser Radiation in a …

BV Rumiantsev, AV Pushkin, FV Potemkin - JETP Letters, 2023 - Springer
High (15–25) harmonic generation in the vacuum ultraviolet spectral range (83–50 nm) has
been realized by focused (NA= 0.033) near-infrared femtosecond laser radiation …

Laser-target symmetry breaking in high-order harmonic generation: From frequency shift to odd-even intensity modulation

DA Trieu, VH Le, NL Phan - Physical Review A, 2024 - APS
Although the frequency shift and odd-even intensity modulation in high-order harmonic
generation (HHG) have both been observed for asymmetric laser-target systems, they are …

[PDF][PDF] 单个阿秒脉冲表征技术研究进展

王家灿, 肖凡, 王小伟, 王力, 陶文凯… - Chinese Journal of …, 2024 - researching.cn
摘要自本世纪初超快科学进入阿秒领域以来, 阿秒脉冲以其超宽频谱和超短时间分辨,
为研究阿秒时间尺度的瞬态过程提供了有力工具, 推动了人们对光与物质相互作用以及微观超快 …

Laser-target symmetry-breaking in high harmonic generation: from frequency shift to odd-even intensity modulation

DA Trieu, VH Le, NL Phan - arXiv preprint arXiv:2406.08786, 2024 - arxiv.org
Although the frequency shift and odd-even intensity modulation in high-order harmonic
generation (HHG) have both been observed for asymmetric laser-target systems, they are …