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 …

Quartz-enhanced multiheterodyne resonant photoacoustic spectroscopy

J Wang, H Wu, A Sampaolo, P Patimisco… - Light: Science & …, 2024‏ - nature.com
The extension of dual-comb spectroscopy (DCS) to all wavelengths of light along with its
ability to provide ultra-large dynamic range and ultra-high spectral resolution, renders it …

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 …

Massively parallel sensing of trace molecules and their isotopologues with broadband subharmonic mid-infrared frequency combs

AV Muraviev, VO Smolski, ZE Loparo… - Nature Photonics, 2018‏ - nature.com
Mid-infrared spectroscopy offers supreme sensitivity for the detection of trace gases, solids
and liquids based on tell-tale vibrational bands specific to this spectral region. Here, we …

Silicon-chip-based mid-infrared dual-comb spectroscopy

M Yu, Y Okawachi, AG Griffith, N Picqué… - Nature …, 2018‏ - nature.com
The development of a spectroscopy device on a chip that could realize real-time
fingerprinting with label-free and high-throughput detection of trace molecules represents …

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 …

High-coherence mid-infrared dual-comb spectroscopy spanning 2.6 to 5.2 μm

G Ycas, FR Giorgetta, E Baumann, I Coddington… - Nature …, 2018‏ - nature.com
Mid-infrared dual-comb spectroscopy has the potential to supplant conventional Fourier-
transform spectroscopy in applications requiring high resolution, accuracy, signal-to-noise …

Optical gas sensing: a review

J Hodgkinson, RP Tatam - Measurement science and technology, 2012‏ - iopscience.iop.org
The detection and measurement of gas concentrations using the characteristic optical
absorption of the gas species is important for both understanding and monitoring a variety of …

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 …