Precise parameter control of multicycle terahertz generation in PPLN using flexible pulse trains

NH Matlis, Z Zhang, U Demirbas, C Rentschler… - Optics express, 2023 - opg.optica.org
The low (sub%) efficiencies so-far demonstrated for nonlinear optical down-conversion to
terahertz (THz) frequencies are a primary limiting factor in the generation of high-energy …

Multicolor and supercontinuum radiation generation in terahertz and mid-infrared ranges due to the gas ionization by two-color chirped laser pulses

AA Silaev, AA Romanov… - Journal of the Optical …, 2023 - opg.optica.org
A method for generating multicolor phase-stable pulses tunable in a wide range from
terahertz (THz) to mid-infrared (mid-IR) is proposed. It is based on gas ionization by a laser …

Comparative investigation of group velocity dispersion with nonlinear phase modulation in fiber optic WDM transmission

N Sultana, MS Islam - International Journal of Information Technology, 2024 - Springer
WDM system transmission efficiency is deteriorated by the combined influence of cross
phase modulation (XPM) and group velocity dispersion (GVD) of first and second order. This …

Broadband THz emission of long pulses from photomixing process with optical chirped pulses

G Taton, F Fauquet, I Betka, JP Guillet, F Darracq… - Optics Letters, 2025 - opg.optica.org
Terahertz (THz) generation via photomixing on photoconductive antenna using twin delayed
chirped pulses provides a long THz pulse with a narrow bandwidth. To generate a long …

Chirp control of tunable terahertz synchrotron radiation

H Zhang, W Wang, S Jiang, C Li, Z He, S Zhang… - Optics Letters, 2020 - opg.optica.org
It is of scientific significance to explore the terahertz radiation source with the performances
of high power, tunable frequency, and controllable chirp for the realization of coherent …

Saturation regime of THz generation in nonlinear crystals by pumps with arbitrary spectral modulations

A Curcio, M Petrarca - Optics Letters, 2020 - opg.optica.org
A self-consistent analytic formalism of the description of saturation effects in optical
rectification is provided. It is shown that a nonlinear absorption term arises from this process …

High-power terahertz generation at megahertz repetition rates using few-cycle pulses

TO Buchmann - 2021 - orbit.dtu.dk
Terahertz (THz) radiation can be used in an abundance of applications ranging from
fundamental science to in-situ quality control of industrial processes. The electric field …

PUBLISHING GROUP

G Taton, F Fauquet, PM Darracq, D Bigourd - opg.optica.org
Terahertz (THz) generation via photomixing on photoconductive antenna using twin delayed
chirped pulses provides a long THz pulse with a narrow bandwidth. To generate a long …

Characterization of ultrashort double pulses and their application in attosecond physics

LG Oldal - 2021 - search.proquest.com
In this thesis I investigated the temporal characterization of ultrashort double pulses, and the
impact of this double-pulse structure on the high-order harmonic generation process. The …