Advances in Dual-Comb Spectroscopy
A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Lasers, Light Sources and Sensors".
Deadline for manuscript submissions: 20 July 2025 | Viewed by 681
Special Issue Editors
Interests: dual-comb spectroscopy; integrated photonics
Special Issue Information
Dear Colleagues,
Dual-comb spectroscopy (DCS) is a revolutionary technique that combines the precision and breadth of traditional broadband spectroscopy with the high-resolution capabilities of continuous-wave laser spectroscopy. The exceptional frequency resolution, bandwidth, and brightness of optical frequency combs empower dual-comb spectroscopy to detect and analyze multiple gas species with sub-wavenumber spectral resolution. Initially developed for linear absorption spectroscopy in the near-infrared region, the technique has since been expanded into the ultraviolet, visible, mid- and far-infrared, and terahertz spectral regions. Advances such as cavity enhancement and nonlinear spectroscopy have further enhanced its capabilities.
The recent introduction of time-resolved dual-comb spectroscopy has significantly broadened its range of applications. Micro-combs on integrated photonics platforms and electro-optical combs have opened new paths for dual-comb spectroscopy. As frequency comb technology continues to evolve, dual-comb spectroscopy is poised to surpass conventional laser spectroscopy in both laboratory and field settings.
This Special Issue highlights cutting-edge developments in source technology, techniques, and groundbreaking applications in precision laboratory spectroscopy and environmental sensing. We invite contributions on innovative methodologies, experiments, and applications that advance the state of dual-comb spectroscopy. All theoretical, numerical, and experimental papers are accepted. Topics include, but are not limited to, the following:
- Novel sources, including those extending dual-comb spectroscopy into less developed spectral regions such as VUV, DUV, and MIR;
- Time-resolved dual-comb spectroscopy;
- Electro-optical combs;
- Kerr combs;
- Techniques to improve spectral resolution, sensitivity, etc.;
- Precision laboratory spectroscopy;
- Open-path spectroscopy for environmental sensing;
- Hyperspectral imaging and multi-dimensional spectroscopy.
Dr. Yu Zhang
Dr. Ryan T. Rhoades
Guest Editors
Manuscript Submission Information
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Keywords
- Dual-Comb Spectroscopy
- Frequency Comb
- Time-Resolved Dual-Comb
- Deep-UV Dual-Comb
- MIR Dual-Comb
- Sensing
- Fourier Transform Spectroscopy
- Kerr Comb
- EO Comb
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