Research progress on periodically poled lithium niobate for nonlinear frequency conversion

Y Niu, X Yan, J Chen, Y Ma, Y Zhou, H Chen… - Infrared physics & …, 2022 - Elsevier
Laser gain media offer a limited number of radiative wavelengths. With the continued
development of laser applications, there has grown a need for a diversity of laser …

Shaping the spectrum of terahertz photoconductive antenna by frequency-dependent impedance modulation

DV Lavrukhin, AE Yachmenev, AY Pavlov… - Semiconductor …, 2019 - iopscience.iop.org
In this paper, we report on an approach for shaping the spectra of THz pulse generation in
photoconductive antennas (PCAs) by frequency-dependent impedance modulation. We …

Strain-induced InGaAs-based photoconductive terahertz antenna detector

DV Lavrukhin, AE Yachmenev… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
We report on a terahertz (THz) detector based on a photoconductive antenna (PCA) utilizing
an artificially strained undoped InGaAs/InAlAs superlattice (SL). Using our laboratory pulsed …

The use of DSTMS crystal for broadband terahertz electro-optic sampling based on laser pulse amplitude changes

IE Ilyakov, GK Kitaeva, BV Shishkin… - Laser Physics …, 2018 - iopscience.iop.org
Application of the organic crystal 4-N, N-dimethylamino-4'-N'-methylstilbazolium 2, 4, 6-
trimethylbenzenesulfo-nate (DSTMS) for electro-optic time-domain measurements of …

Plasmonic photoconductive antennas for terahertz pulsed spectroscopy and imaging systems

DV Lavrukhin, RR Galiev, AY Pavlov… - Optics and …, 2019 - Springer
We propose a terahertz (THz) plasmonic photoconductive antenna (PCA) with a record
height of its metal electrodes of h= 100 nm and a high aspect ratio of h/p= 0.5 (p is the period …

Field-resolved THz-pump laser-probe measurements with CEP-unstable THz light sources

I Ilyakov, A Ponomaryov, JM Klopf, A Pashkin… - Optics …, 2022 - opg.optica.org
Radiation sources with a stable carrier-envelope phase (CEP) are highly demanded tools
for field-resolved studies of light-matter interaction, providing access both to the amplitude …

Highly sensitive electro-optic detection of terahertz waves in a prism-coupled thin LiNbO3 layer

IE Ilyakov, BV Shishkin, SB Bodrov… - Laser Physics …, 2020 - iopscience.iop.org
Electro-optic sampling of pulsed terahertz radiation by femtosecond laser pulses in
noncollinear geometry in a 40 μm thick layer of LiNbO 3 attached to a Si prism is …

Terahertz generation in artificial two-dimensional periodically poled lithium niobate

YH Avetisyan - JOSA B, 2021 - opg.optica.org
This report shows that intense multicycle terahertz pulses can be generated in two-
dimensional quasi-phase-matching structures formed by placing a binary phase mask in …

Time-Resolved Detection of Terahertz Response in Photodynamically Induced Plasmonic Metasurfaces

IA Novikov, MA Kiryanov, VI Stadnichuk, TV Dolgova… - JETP Letters, 2024 - Springer
A modification of terahertz time-domain spectroscopy is proposed. It includes the direct
measurement of the temporal profile of the transmitted terahertz pulse, the extraction of the …

[HTML][HTML] Characterization of nucleobases in broadband terahertz spectra from 0.5 to 10 THz with the air-biased-coherent-detection technique

M Yu, S Yan, Y Sun, W Sheng, F Tang, X Peng, Y Hu - Sensors, 2019 - mdpi.com
Terahertz time-domain spectroscopy (THz-TDS) is an effective coherent detection technique
for deeply understanding the structures and functions of biomolecules. However, generally …