Skip to main content
Log in

OPTICAL PHYSICS

Topological lattices lit at the corners

  • News & Views
  • Published:

From Nature Photonics

View current issue Submit your manuscript

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, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

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

Check for updates. 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

  • Springer Nature Limited

Navigation