Dynamical nonlinear interactions of solids with strong terahertz pulses
Table-top high-power terahertz (THz) pulse sources based on the femtosecond lasers are
able to reveal fascinating nonlinear transport phenomena in materials and coherently drive …
able to reveal fascinating nonlinear transport phenomena in materials and coherently drive …
Intense THz Pulses with large ponderomotive potential generated from large aperture photoconductive antennas
X Ropagnol, M Khorasaninejad, M Raeiszadeh… - Optics express, 2016 - opg.optica.org
We report the generation of free space terahertz (THz) pulses with energy up to 8.3±0.2 µJ
from an encapsulated interdigitated ZnSe Large Aperture Photo-Conductive Antenna …
from an encapsulated interdigitated ZnSe Large Aperture Photo-Conductive Antenna …
Observation of crossover from intraband to interband nonlinear terahertz optics
X Chai, X Ropagnol, A Ovchinnikov, O Chefonov… - Optics Letters, 2018 - opg.optica.org
In this Letter, we investigate the nonlinear effects of extremely intense few-cycle terahertz
(THz) pulses (generated from the organic crystal 4-NN, NN-dimethylamino-4^′ 4^′-N …
(THz) pulses (generated from the organic crystal 4-NN, NN-dimethylamino-4^′ 4^′-N …
Photoconductive terahertz generation from textured semiconductor materials
Abstract Photoconductive (PC) terahertz (THz) emitters are often limited by ohmic loss and
Joule heating—as these effects can lead to thermal runaway and premature device …
Joule heating—as these effects can lead to thermal runaway and premature device …
Terahertz wave generation from thin metal films excited by asymmetrical optical fields
We experimentally demonstrated terahertz (THz) wave emission from thin metal (gold) films
excited by asymmetrical optical fields synthesized using an in-line phase compensator. By …
excited by asymmetrical optical fields synthesized using an in-line phase compensator. By …
Ultrafast Control of the Polarity of by Orbital Excitation as Investigated by Femtosecond Spectroscopy
BiCoO 3 is a perovskite-type cobalt oxide with a polar structure. We investigate the dynamics
of its polar state by using photoexcitation with femtosecond visible and terahertz pulses. The …
of its polar state by using photoexcitation with femtosecond visible and terahertz pulses. The …
Spatial polarization variation in terahertz electromagnetic wave focused by off-axis parabolic mirror
M Takai, K Shibata, M Uemoto… - Applied Physics …, 2016 - iopscience.iop.org
We have investigated the spatial distribution of the polarization state of a terahertz
electromagnetic wave focused by an off-axis parabolic mirror (OPM) in the focal plane. We …
electromagnetic wave focused by an off-axis parabolic mirror (OPM) in the focal plane. We …
Relaxation of localized excitons by phonon emission at oxygen vacancies in Cu2O
S Koirala, M Takahata, Y Hazama, N Naka… - Journal of …, 2014 - Elsevier
We have studied the relaxation mechanism of localized excitons at optically active defect
centers in cuprous oxide by the photoluminescence (PL) and photoluminescence excitation …
centers in cuprous oxide by the photoluminescence (PL) and photoluminescence excitation …
Rattling of oxygen ions in a sub-nanometer-sized cage converts terahertz radiation to visible light
Y Toda, S Ishiyama, E Khutoryan, T Idehara… - ACS …, 2017 - ACS Publications
A simple and robust approach to visualization of continuous wave terahertz (CW-THz) light
would open up opportunities to couple physical phenomena that occur at fundamentally …
would open up opportunities to couple physical phenomena that occur at fundamentally …
Evidence for terahertz acoustic phonon parametric oscillator based on acousto-optic degenerate four-wave mixing in a silicon do** superlattice
TE Wilson - Physical Review B, 2018 - APS
We report evidence for a 1.0-THz self-starting mirrorless acoustic phonon parametric
oscillator (MAPPO) produced from acousto-optic phase-conjugate degenerate four-wave …
oscillator (MAPPO) produced from acousto-optic phase-conjugate degenerate four-wave …