Quantum sensing with extreme light

M Kutas, BE Haase, F Riexinger… - Advanced Quantum …, 2022 - Wiley Online Library
Optical nonlinear conversion processes are ubiquitously applied to scientific as well as
industrial tasks. In particular, nonlinear processes are employed to generate radiation in …

Long seed, short pump: converting Yb-doped laser radiation to multi-µJ few-cycle pulses tunable through 2.5–15 µm

R Budriūnas, K Jurkus, M Vengris, A Varanavičius - Optics express, 2022 - opg.optica.org
We present a setup for generating broadband (up to 1050 cm^− 1) and broadly tunable (2.5-
15 µm) mid-infrared pulses using an Yb-doped femtosecond laser as the pump source. Our …

Broadband vibrational sum-frequency generation spectrometer at 100 kHz in the 950-1750 cm−1 spectral range utilizing a LiGaS2 optical parametric amplifier

Z Heiner, L Wang, V Petrov, M Mero - Optics Express, 2019 - opg.optica.org
We present a 100 kHz broadband vibrational sum-frequency generation (VSFG)
spectrometer operating in the 5.7-10.5 µm (950-1750 cm^− 1) wavelength range. The mid …

Monovalent and Divalent Cations at the α-Al2O3(0001)/Water Interface: How Cation Identity Affects Interfacial Ordering and Vibrational Dynamics

SM Piontek, A Tuladhar, T Marshall… - The Journal of Physical …, 2019 - ACS Publications
Mineral oxide/water interfaces are important for a wide range of industrial, geochemical, and
biological processes. The reactivity of these interfaces is strongly impacted by the presence …

Broadband Tunability of Third Harmonic Upconversion in Pyridinium Lead Halides

Z Thekkayil, S Maqbool, R Tanwar, P Mandal - ACS Photonics, 2023 - ACS Publications
Lower dimensional lead halide perovskites have demonstrated highly enhanced nonlinear
optical properties due to strong quantum and dielectric confinement. Broadband wavelength …

Generation and Implementation of Continuum Infrared Pulses for Broadband Detection in 2D IR Spectroscopy

JH Hack, NHC Lewis, S Knight… - The Journal of …, 2024 - ACS Publications
In recent years, new methods of generating continuum mid-infrared pulses through
filamentation in gases have been developed for ultrafast time-resolved infrared vibrational …

Full spectrum 2D IR spectroscopy reveals below-gap absorption and phonon dynamics in the mid-IR bandgap semiconductor InAs

AM Stingel, PB Petersen - The Journal of Chemical Physics, 2021 - pubs.aip.org
While the mid-infrared spectral region spans more than 3000 cm− 1, ultrafast mid-IR
spectroscopies are normally limited to the spectral bandwidth that can be generated in …

Compact optical scheme for the generation of ultrafast mid-IR laser pulses

VK Rajput, P Jana, S Ponnan, MA Taher… - Pramana, 2022 - Springer
Several optical techniques that are often employed to generate mid-IR pulses are discussed.
These are based on a difference frequency generation (DFG) process for mixing signal and …

Second harmonic generation in a graphene-based plasmonic waveguide

VK Sadaghiani, MB Tavakoli, A Horri - Photonic Network Communications, 2021 - Springer
Lithium niobate nanophotonic structures have recently become a promising candidate for
efficient nonlinear frequency-conversion processes. Here, the second harmonic generation …

Analysis of broadband mid-infrared optical parametric amplification based on LiGaS2, LiGaSe2, LiInS2, and LiInSe2 crystals

L Zhou, O Novák, M Smrž, T Mocek - JOSA B, 2022 - opg.optica.org
Optical parametric amplification (OPA) is a powerful technique for generating mid-IR
ultrashort pulses. Determination of proper OPA conditions is based on the study of phase …