ArticleNature communications2023
Frequency stable and low phase noise THz synthesis for precision spectroscopy.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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Who cites it
6 citing papers in PubMed.
- Millimetre-wave comb generated by an optical microcomb.Nature communications · 2026Article
- Nanometre-precision terahertz interferometry for battery electrode metrology.Nature communications · 2026Article
- Concept of Planar Waveguide-BasedSensors (Basel, Switzerland) · 2026Article
- Terahertz photonic heterodyne spectral analysis with (sub-) kHz resolution and 6.5 THz frequency coverage.Nature communications · 2025Article
- Highly coherent two-color laser and its application for low-noise microwave generation.Nature communications · 2025Article
- Dual wavelength Brillouin laser terahertz source stabilized to carbonyl sulfide rotational transition.Nature communications · 2025Article
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
We present a robust approach to generate a continuously tunable, low phase noise, Hz linewidth and mHz/s stability THz emission in the 0.1 THz to 1.4 THz range. This is achieved by photomixing two commercial telecom, distributed feedback lasers locked by optical-feedback onto a single highly stable V-shaped optical cavity. The phase noise is evaluated up to 1.2 THz, demonstrating Hz-level linewidth. To illustrate the spectral performances and agility of the source, low pressure absorption lines of methanol and water vapors have been recorded up to 1.4 THz. In addition, the hyperfine structure of a water line at 556.9 GHz, obtained by saturation spectroscopy, is also reported, resolving spectral features displaying a full-width at half-maximum of 10 kHz. The present results unambiguously establish the performances of this source for ultra-high resolution molecular physics.
Identifiers
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Registered trials
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