Optical frequency combs: Coherently uniting the electromagnetic spectrum

SA Diddams, K Vahala, T Udem - Science, 2020 - science.org
BACKGROUND The generation and control of coherent electromagnetic waves, such as
those provided by electronic oscillators in the radio frequency domain or lasers in the optical …

Dual-comb spectroscopy

I Coddington, N Newbury, W Swann - Optica, 2016 - opg.optica.org
Dual-comb spectroscopy is an emerging new spectroscopic tool that exploits the frequency
resolution, frequency accuracy, broad bandwidth, and brightness of frequency combs for …

Ultralow-noise mode-locked fiber lasers and frequency combs: principles, status, and applications

J Kim, Y Song - Advances in Optics and Photonics, 2016 - opg.optica.org
We review the most recent progress in ultralow-noise mode-locked fiber lasers and fiber-
based frequency-comb sources. With the rapid progress in theory, measurement, and …

Single-shot sub-microsecond mid-infrared spectroscopy on protein reactions with quantum cascade laser frequency combs

JL Klocke, M Mangold, P Allmendinger, A Hugi… - Analytical …, 2018 - ACS Publications
The kinetic analysis of irreversible protein reactions requires an analytical technique that
provides access to time-dependent infrared spectra in a single shot. Here, we present a …

Standoff chemical detection using laser absorption spectroscopy: a review

J Li, Z Yu, Z Du, Y Ji, C Liu - Remote Sensing, 2020 - mdpi.com
Remote chemical detection in the atmosphere or some specific space has always been of
great interest in many applications for environmental protection and safety. Laser absorption …

Cavity-enhanced photoacoustic dual-comb spectroscopy

Z Wang, Q Nie, H Sun, Q Wang, S Borri… - Light: Science & …, 2024 - nature.com
Photoacoustic dual-comb spectroscopy (DCS), converting spectral information in the optical
frequency domain to the audio frequency domain via multi-heterodyne beating, enables …

Gas-phase broadband spectroscopy using active sources: progress, status, and applications

KC Cossel, EM Waxman, IA Finneran… - Journal of the Optical …, 2016 - opg.optica.org
Broadband spectroscopy is an invaluable tool for measuring multiple gas-phase species
simultaneously. In this work we review basic techniques, implementations, and current …

Ultrabroadband supercontinuum generation and frequency-comb stabilization using on-chip waveguides with both cubic and quadratic nonlinearities

DD Hickstein, H Jung, DR Carlson, A Lind… - Physical Review …, 2017 - APS
Using aluminum nitride photonic-chip waveguides, we generate optical-frequency-comb
supercontinuum spanning from 500 to 4000 nm with a 0.8-nJ seed pulse, and we show that …

Dual frequency comb laser absorption spectroscopy in a 16 MW gas turbine exhaust

PJ Schroeder, RJ Wright, S Coburn… - Proceedings of the …, 2017 - Elsevier
We demonstrate the first frequency comb laser absorption spectroscopy in an industrial
environment. Recent advancements in robust frequency comb design enabled installation of …

Accurate frequency referencing for fieldable dual-comb spectroscopy

GW Truong, EM Waxman, KC Cossel, E Baumann… - Optics express, 2016 - opg.optica.org
We describe a dual-comb spectrometer that can operate independently of laboratory-based
rf and optical frequency references but is nevertheless capable of ultra-high spectral …