Skip to main content

Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

  • News & Views
  • Published:

Frequency combs

Dual comb on a chip targets compact optical clocks

Nature Photonics volume 19, pages 344–346 (2025)Cite this article

Subjects

A vernier dual frequency comb provides a chip-based highly precise reference between the optical and radio frequency domains.

Access through your institution
Buy or subscribe

This is a preview of subscription content, access via your institution

Access options

Access through your institution

Buy this article

  • Purchase on SpringerLink
  • Instant access to full article PDF
Buy now

Prices may be subject to local taxes which are calculated during checkout

Fig. 1: Vernier dual-microcomb system for optical atomic clock optical frequency division.

References

  1. Wu, K. et al. Nat. Photon. https://doi.org/10.1038/s41566-025-01617-0 (2025).

    Article  Google Scholar 

  2. Riehle, F. Frequency Standards: Basics and Applications (Wiley, 2003).

  3. Hinkley, N. et al. Science 341, 1215–1218 (2013).

    ADS  Google Scholar 

  4. Ludlow, A. D. et al. Rev. Mod. Phys. 87, 637–701 (2015).

    ADS  Google Scholar 

  5. Koller, S. et al. Phys. Rev. Lett. 118, 073601 (2017).

    ADS  Google Scholar 

  6. Fortier, T. & Baumann, E. Commun. Phys. 2, 153 (2019).

    Google Scholar 

  7. Newman, Z. L. et al. Optica 6, 680–685 (2019).

    ADS  Google Scholar 

  8. Wu, K. et al. Optica 10, 626–633 (2023).

    ADS  Google Scholar 

  9. Xiang, C. et al. Science 373, 99–103 (2021).

    ADS  Google Scholar 

  10. Churaev, M. et al. Nat. Commun. 14, 3499 (2023).

    ADS  Google Scholar 

  11. Kitching, J. Appl. Phys. Rev. 5, 031302 (2018).

    ADS  Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Departamento de Física, University of the Basque Country (UPV/EHU), Bilbao, Spain

    Pablo Acedo

  2. EHU Quantum Center, University of the Basque Country (UPV/EHU), Bilbao, Spain

    Pablo Acedo

  3. IKERBASQUE, Basque Foundation for Science, Plaza Euskadi 5, Bilbao, Spain

    Pablo Acedo

Authors
  1. Pablo Acedo
    View author publications

    Search author on:PubMed Google Scholar

Corresponding author

Correspondence to Pablo Acedo.

Ethics declarations

Competing interests

The author declares no competing interests.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Acedo, P. Dual comb on a chip targets compact optical clocks. Nat. Photon. 19, 344–346 (2025). https://doi.org/10.1038/s41566-025-01649-6

Download citation

  • Published:

  • Issue date:

  • DOI: https://doi.org/10.1038/s41566-025-01649-6

Search

Advanced search

Quick links

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing