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.


A scramble to preserve entanglement

A mooted advantage of high-dimensional states is their robustness to noise, yet their fragility in noisy channels has hindered their deployment. A demonstration shows how to exploit entanglement to restore quantum correlations lost in transmission.

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

Access options

Buy article

Get time limited or full article access on ReadCube.


All prices are NET prices.

Fig. 1: Seeing through noise.


  1. Erhard, M., Krenn, M. & Zeilinger, A. Nat. Rev. Phys. 2, 365–381 (2020).

    Article  Google Scholar 

  2. Herrera Valencia, N., Goel, S., McCutcheon, W., Defienne, H. & Malik, M. Nat. Phys. (2020).

  3. Plöschner, M., Tyc, T. & Čižmár, T. Nat. Photon. 9, 529–535 (2015).

    Article  ADS  Google Scholar 

  4. Konrad, T. et al. Nat. Phys. 4, 99–102 (2007).

    Article  Google Scholar 

  5. Ndagano, B. et al. Nat. Phys. 13, 397–402 (2017).

    Article  Google Scholar 

  6. Toninelli, E. et al. Adv. Opt. Photon. 11, 67–134 (2019).

    Article  Google Scholar 

  7. Moreau, P.-A., Toninelli, E., Gregory, T. & Padgett, M. J. Nat. Rev. Phys. 1, 367–380 (2019).

    Article  Google Scholar 

Download references

Author information

Authors and Affiliations


Corresponding author

Correspondence to Andrew Forbes.

Rights and permissions

Reprints and Permissions

About this article

Verify currency and authenticity via CrossMark

Cite this article

Forbes, A., Nape, I. A scramble to preserve entanglement. Nat. Phys. 16, 1091–1092 (2020).

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