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.

OPTICAL PHYSICS

Topological lattices lit at the corners

Subjects

Higher-order topological states that are robust against certain classes of disorder and pinned to lattice corners are now observed in photonics platforms.

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

Access options

Buy article

Get time limited or full article access on ReadCube.

$32.00

All prices are NET prices.

Fig. 1: Topologically protected edge and corner states.

References

  1. Asbóth, J. K., Oroszlány, L. & Pályi, A. A Short Course on Topological Insulators: Band Structure and Edge States in One and Two Dimensions (Springer International Publishing, 2016).

  2. Lu, L., Joannopoulos, J. D. & Soljacic, M. Nat. Photon. 8, 821–829 (2014).

    Article  ADS  Google Scholar 

  3. Ozawa, T. et al. Rev. Mod. Phys. 91, 015006 (2019).

    Article  ADS  Google Scholar 

  4. Benalcazar, W. A., Bernevig, B. A. & Hughes, T. L. Science 357, 61–66 (2017).

    Article  ADS  Google Scholar 

  5. Imhof, S. et al. Nat. Phys. 14, 925–929 (2018).

    Article  Google Scholar 

  6. Peterson, C. W., Benalcazar, W. A., Hughes, T. L. & Bahl, G. Nature 555, 346–350 (2018).

    Article  ADS  Google Scholar 

  7. Serra-Garcia, M. et al. Nature 555, 342–345 (2018).

    Article  ADS  Google Scholar 

  8. El Hassan, A. et al. Nat. Photon. https://doi.org/10.1038/s41566-019-0519-y (2019).

    Article  Google Scholar 

  9. Mittal, S. et al. Nat. Photon. https://doi.org/10.1038/s41566-019-0452-0 (2019).

    Article  Google Scholar 

  10. Liu, T. et al. Phys. Rev. Lett. 122, 076801 (2019).

    Article  ADS  Google Scholar 

  11. Kawabata, K., Higashikawa, S., Gong, Z., Ashida, Y. & Ueda, M. Nat. Commun. 10, 297 (2019).

    Article  ADS  Google Scholar 

  12. El-Ganainy, R. et al. Nat. Phys. 14, 11–19 (2018).

    Article  Google Scholar 

  13. Özdemir, Ş. K., Rotter, S., Nori, F. & Yang, L. Nat. Mater. 18, 783–798 (2019).

    Article  ADS  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding authors

Correspondence to Şahin K. Özdemir or Ramy El-Ganainy.

Rights and permissions

Reprints and Permissions

About this article

Verify currency and authenticity via CrossMark

Cite this article

Özdemir, Ş.K., El-Ganainy, R. Topological lattices lit at the corners. Nat. Photonics 13, 660–662 (2019). https://doi.org/10.1038/s41566-019-0523-2

Download citation

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1038/s41566-019-0523-2

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