Self-corrected chip-based dual-comb spectrometer
Open accessAbstract
We present a dual-comb spectrometer based on two passively mode-locked waveguide lasers integrated in a single Er-doped ZBLAN chip. This original design yields two free-running frequency combs having a high level of mutual stability. We developed in parallel a self-correction algorithm that compensates residual relative fluctuations and yields mode-resolved spectra without the help of any reference laser or control system. Fluctuations are extracted directly from the interferograms using the concept of ambiguity function, which leads to a significant simplification of the instrument that will greatly ease its widespread adoption and commercial deployment. Comparison with a correction algorithm relying on a single-frequency laser indicates discrepancies of only 50 attoseconds on optical timings. The capacities of this instrument are finally demonstrated with the acquisition of a high-resolution molecular spectrum covering 20 nm. This new chip-based multi-laser platform is ideal for the development of high-repetition-rate, compact and fieldable comb spectrometers in the near- and mid-infrared.
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The spectrally interleaving ASOPS, which improves the frequency resolution by sweeping f_r, can be enhanced by our method.
“For example, the spectrally interleaving ASOPS, which improves the frequency resolution by sweeping 𝑓 r [40], can be enhanced by our method.”
From Jitter correction for asynchronous optical sampling terahertz spectroscopy using free-running pulsed lasers (2023) · cites this paper as [40]
The cited paper’s Instrument Design section (p. 3) gives a fixed repetition rate and discusses tuning the difference between the two combs’ repetition rates. Its Self-Correction section (p. 4) describes compensating fluctuations, not spectrally interleaving ASOPS or improving frequency resolution by sweeping f_r. Searches for spectral interleaving and ASOPS found no passage addressing the claim attached to this citation. (LLM, conf=0.76)
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Coddington, I., Newbury, N., & Swann, W. (2016) · Optica · doi:10.1364/optica.3.000414 · Cited by 1,754 · see citing works
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Research works printed but not linked: 31
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Cited by
Sorted by citations
Nakagawa, M., Kanda, N., Otsu, T., Ito, I., Kobayashi, Y., & Matsunaga, R. (2023) · Optics Express · doi:10.1364/oe.488866 · Cited by 3 · see citing works
- Authors
- Hébert, N. B., Genest, J., Deschênes, J.-D., Bergeron, H., Chen, G. Y., Khurmi, C., & Lancaster, D. G.
- Venue
- Optics Express
- Publisher
- Optica Publishing Group
- Published
- 2017-03-30
- Volume
- 25
- Issue
- 7
- Pages
- 8168
- ISSN
- 1094-4087 (ISSN-L)
- OpenAlex
- W2592390366
- Cited by
- 122
- References
- 1
- Citations by year
- 2026: 8 · 2025: 14 · 2024: 13 · 2023: 14 · 2022: 9 · 2021: 13 · 2020: 13 · 2019: 23 · 2018: 14 · 2017: 1
- FWCI
- 6.84
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- Optics Express (publishedVersion)
- PubMed (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion)
- arXiv (Cornell University)
- Funders
- Australian Research Council (ARC) (LE140100042, LP130101133)
- Fonds de Recherche du Québec - Nature et Technologies (FRQNT)
- Maptek Pty Ltd
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Topics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Advanced Fiber Laser Technologies
- Physical Sciences › Chemistry › Spectroscopy › Spectroscopy and Laser Applications
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Semiconductor Lasers and Optical Devices
- Keywords
- dual-comb spectroscopy, ambiguity function, interferogram analysis, compact spectrometer, near-infrared spectroscopy, mid-infrared spectroscopy, molecular spectra
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