Skip to main content

Thank you for visiting 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.

Quantum optoelectronics

Swift switch of the strong

How fast can light and matter be made to interact? 'Almost instantaneously' is the answer provided in the latest study of semiconductor structures embedded in an optical microcavity.

Your institute does not have access to this article

Access options

Buy article

Get time limited or full article access on ReadCube.


All prices are NET prices.


  1. Günter, G. et al. Nature 458, 178–181 (2009).

    ADS  Article  Google Scholar 

  2. Anappara, A. A. et al. Preprint at (2008).

  3. Anappara, A. A., Tredicucci, A., Beltram, F., Biasiol, G. & Sorba, L. Appl. Phys. Lett. 89, 171109 (2006).

    ADS  Article  Google Scholar 

  4. Dupont, E., Gupta, J. A. & Liu, H. C. Phys. Rev. B 75, 205325 (2007).

    ADS  Article  Google Scholar 

  5. Kübler, C. et al. Appl. Phys. Lett. 85, 3360–3362 (2004).

    ADS  Article  Google Scholar 

  6. Kröll, J. et al. Nature 449, 698–701 (2007).

    ADS  Article  Google Scholar 

  7. Gaal, P. et al. Nature 450, 1210–1213 (2007).

    CAS  ADS  Article  Google Scholar 

  8. De Liberato, S., Ciuti, C. & Carusotto, I. Phys. Rev. Lett. 98, 103602 (2007).

    ADS  Article  Google Scholar 

Download references

Author information

Authors and Affiliations


Rights and permissions

Reprints and Permissions

About this article

Cite this article

Gmachl, C. Swift switch of the strong. Nature 458, 157–158 (2009).

Download citation

  • Published:

  • Issue Date:

  • DOI:


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