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:

Nonlinear optics

Asymmetry from symmetry

An unusual form of symmetry breaking in coupled microresonators with balanced optical gain and loss is now exploited to realize a novel type of optical isolator.

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

Relevant articles

Open Access articles citing this article.

Access options

Buy this article

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

Figure 1: A nonlinear optical isolator based on parity–time symmetry.

References

  1. Boettcher, S. & Bender, C. M. Phys. Rev. Lett. 80, 5243–5246 (1998).

    Article  ADS  MathSciNet  Google Scholar 

  2. Makris, K. G., El-Ganainy, R., Christodoulides, D. N. & Musslimani, Z. H. Phys. Rev. Lett. 100, 103904 (2008).

    Article  ADS  Google Scholar 

  3. Feng, L. et al. Science 333, 729–733 (2011).

    Article  ADS  Google Scholar 

  4. Regensburger, A. et al. Nature 488, 167–171 (2012).

    Article  ADS  Google Scholar 

  5. Peng, B. et al. Nature Phys. 10, 394–398 (2014).

    Article  ADS  Google Scholar 

  6. Dötsch, H. et al. J. Opt. Soc. Am. B 22, 240–253 (2005).

    Article  ADS  Google Scholar 

  7. Ramezani, H., Kottos, T., El-Ganainy, R. & Christodoulides, D. N. Phys. Rev. A 82, 043803 (2010).

    Article  ADS  Google Scholar 

  8. Bender, N. et al. Phys. Rev. Lett. 110, 234101 (2013).

    Article  ADS  Google Scholar 

  9. Yu, Z. & Fan, S. Nature Photon. 3, 91–94 (2009).

    Article  ADS  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Chong Yidong.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Yidong, C. Asymmetry from symmetry. Nature Phys 10, 336–337 (2014). https://doi.org/10.1038/nphys2941

Download citation

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1038/nphys2941

This article is cited by

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