Broadband and high‐sensitivity time‐resolved THz system using grating‐assisted tilted‐pulse‐front phase matching
A broadband and sensitive time‐resolved terahertz (THz) configuration relying on
noncollinear optical interactions is presented. This noncollinear scheme enables a higher …
noncollinear optical interactions is presented. This noncollinear scheme enables a higher …
Systematic THz study of the substrate effect in limiting the mobility of graphene
We explore the substrate-dependent charge carrier dynamics of large area graphene films
using contact-free non-invasive terahertz spectroscopy. The graphene samples are …
using contact-free non-invasive terahertz spectroscopy. The graphene samples are …
Metamaterial-based octave-wide terahertz bandpass filters
We present octave-wide bandpass filters in the terahertz (THz) region based on bilayer-
metamaterial (BLMM) structures. The passband region has a super-Gaussian shape with a …
metamaterial (BLMM) structures. The passband region has a super-Gaussian shape with a …
Scalable fabrication of nanogratings on GaP for efficient diffraction of near-infrared pulses and enhanced terahertz generation by optical rectification
We present a process flow for wafer-scale fabrication of a surface phase grating with sub-
micron feature sizes from a single semiconductor material. We demonstrate this technique …
micron feature sizes from a single semiconductor material. We demonstrate this technique …
Extremely broadband terahertz generation via pulse compression of an Ytterbium laser amplifier
We present a system for extremely broadband terahertz (THz) generation based on an
Ytterbium (Yb) amplified laser emitting 170-fs-long pulses centered at 1030 nm. The pulses …
Ytterbium (Yb) amplified laser emitting 170-fs-long pulses centered at 1030 nm. The pulses …
Optical rectification of ultrafast Yb lasers: pushing power and bandwidth of terahertz generation in GaP
We demonstrate broadband high-power terahertz (THz) generation at megahertz repetition
rates by optical rectification in GaP driven by an ultrafast Yb-based thin-disk laser (TDL) …
rates by optical rectification in GaP driven by an ultrafast Yb-based thin-disk laser (TDL) …
Enhanced terahertz detection efficiency via grating-assisted noncollinear electro-optic sampling
Sensitive detection of phase-locked terahertz (THz) pulses is routinely achieved using
electro-optic sampling (EOS), a technique that harnesses second-order optical …
electro-optic sampling (EOS), a technique that harnesses second-order optical …
Broadband terahertz solid-state emitter driven by Yb: YAG thin-disk oscillator
G Barbiero, H Wang, J Brons, BH Chen… - Journal of Physics B …, 2020 - iopscience.iop.org
We report on a table-top, high-power, terahertz (THz) solid-state emitter driven by few-cycle
near-infrared pulses at 16 MHz repetition rate in gallium phosphide (GaP) crystals. Two …
near-infrared pulses at 16 MHz repetition rate in gallium phosphide (GaP) crystals. Two …
Compact, low-cost, and broadband terahertz time-domain spectrometer
N Couture, J Schlosser, A Ahmed, M Wahbeh… - Applied Optics, 2023 - opg.optica.org
Terahertz time-domain spectroscopy (THz-TDS) is a powerful technique that enables the
characterization of a large range of bulk materials, devices, and products. Although this …
characterization of a large range of bulk materials, devices, and products. Although this …
Temporal and spatial properties of plasma induced by infrared femtosecond laser pulses in air
O Balachninaitė, J Skruibis, A Matijošius… - … Sources Science and …, 2022 - iopscience.iop.org
Abstract Space and time-resolved electron density and temperature of the plasma, created
in air by focused femtosecond laser pulses have been investigated as a function of the pump …
in air by focused femtosecond laser pulses have been investigated as a function of the pump …