Frequency down-conversion of solid-state laser sources to the mid-infrared spectral range using non-oxide nonlinear crystals

V Petrov - Progress in Quantum Electronics, 2015 - Elsevier
The development of parametric devices down-converting the laser frequency to the mid-
infrared (3–30 µm) based on non-oxide nonlinear optical crystals is reviewed. Such devices …

Mid-infrared frequency combs

A Schliesser, N Picqué, TW Hänsch - Nature photonics, 2012 - nature.com
Laser frequency combs are coherent light sources that emit a broad spectrum of discrete,
evenly spaced narrow lines whose absolute frequency can be measured to within the …

Mid-infrared frequency comb via coherent dispersive wave generation in silicon nitride nanophotonic waveguides

H Guo, C Herkommer, A Billat, D Grassani, C Zhang… - Nature …, 2018 - nature.com
Mid-infrared optical frequency combs are of significant interest for molecular spectroscopy
due to the large absorption of molecular vibrational modes on the one hand, and the ability …

Mid infrared gas spectroscopy using efficient fiber laser driven photonic chip-based supercontinuum

D Grassani, E Tagkoudi, H Guo, C Herkommer… - Nature …, 2019 - nature.com
Directly accessing the middle infrared, the molecular functional group spectral region, via
supercontinuum generation processes based on turn-key fiber lasers offers the undeniable …

Mid-infrared optical parametric oscillators and frequency combs for molecular spectroscopy

M Vainio, L Halonen - Physical Chemistry Chemical Physics, 2016 - pubs.rsc.org
Nonlinear optical frequency conversion is one of the most versatile methods to generate
wavelength-tunable laser light in the mid-infrared region. This spectral region is particularly …

Agile THz-range spectral multiplication of frequency combs using a multi-wavelength laser

S Abdollahi, M Ladouce, P Marin-Palomo… - Nature …, 2024 - nature.com
A breakthrough technology, on-chip frequency comb sources offer broadband combs while
being compact, energy-efficient, and cost-effective solutions for various applications from …

Passively mode-locked interband cascade optical frequency combs

M Bagheri, C Frez, LA Sterczewski, I Gruidin… - Scientific Reports, 2018 - nature.com
Since their inception, optical frequency combs have transformed a broad range of technical
and scientific disciplines, spanning time keeping to navigation. Recently, dual comb …

Dispersion engineering of quantum cascade laser frequency combs

G Villares, S Riedi, J Wolf, D Kazakov, MJ Süess… - Optica, 2016 - opg.optica.org
Quantum cascade laser (QCL) frequency combs offer the potential for building ultra-compact
broadband spectrometers operating in the mid-infrared spectral region, where many light …

Nanophotonic supercontinuum-based mid-infrared dual-comb spectroscopy

H Guo, W Weng, J Liu, F Yang, W Hänsel, CS Brès… - Optica, 2020 - opg.optica.org
High resolution and fast detection of molecular vibrational absorption is important for organic
synthesis, pharmaceutical processes, and environmental monitoring, and is enabled by mid …

High-power frequency comb source tunable from 2.7 to 4.2 μm based on difference frequency generation pumped by an Yb-doped fiber laser

G Soboń, T Martynkien, P Mergo, L Rutkowski… - Optics letters, 2017 - opg.optica.org
We demonstrate a broadband mid-infrared (MIR) frequency comb source based on
difference frequency generation (DFG) in periodically poled lithium niobate crystal. MIR …