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 optics

Converting qubits

A scheme for converting qubits between two different representations, discrete and continuous variables, paves the way for more-efficient quantum networks.

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

Access options

Rent or buy this article

Get just this article for as long as you need it


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

Fig. 1: Schematic of a DV–CV converter.


  1. Lütkenhaus, N., Calsamiglia, J. & Suominen, K.-A. Phys. Rev. A 59, 3295 (1999).

    Article  ADS  Google Scholar 

  2. Jeong, H. & Kim, M. S. Phys. Rev. A 65, 042305 (2002).

    Article  ADS  Google Scholar 

  3. Ralph, T. C., Gilchrist, A., Milburn, G. J., Munro, W. J. & Glancy, S. Phys. Rev. A 68, 042319 (2003).

    Article  ADS  Google Scholar 

  4. Jeong, H., Kim, M. S. & Lee, J. Phys. Rev. A 64, 052308 (2001).

    Article  ADS  Google Scholar 

  5. Darras, T. et al. Nat. Photon. (2022)..

  6. Lee, S.-W. & Jeong, H. Phys. Rev. A 87, 022326 (2013).

    Article  ADS  Google Scholar 

  7. Sheng, Y.-B., Zhou, L. & Long, G.-L. Phys. Rev. A 88, 022302 (2013).

    Article  ADS  Google Scholar 

  8. Jeong, H. et al. Nat. Photon. 8, 564–569 (2014).

    Article  ADS  Google Scholar 

  9. Morin, O. et al. Nat. Photon. 8, 570–574 (2014).

    Article  ADS  Google Scholar 

  10. Ulanov, A. E., Sychev, D., Pushkina, A. A., Fedorov, I. A. & Lvovsky, A. I. Phys. Rev. Lett. 118, 160501 (2017).

    Article  ADS  Google Scholar 

  11. Sychev, D. V. et al. Nat. Commun. 9, 3672 (2018).

    Article  ADS  Google Scholar 

  12. Andersen, U. L., Jonas, S., Neergaard-Nielsen, J. S., van Loock, P. & Furusawa, A. Nat. Phys. 11, 713–719 (2015).

    Article  Google Scholar 

Download references

Author information

Authors and Affiliations


Corresponding author

Correspondence to Hyunseok Jeong.

Ethics declarations

Competing interests

The author declares no competing interests.

Rights and permissions

Reprints and Permissions

About this article

Verify currency and authenticity via CrossMark

Cite this article

Jeong, H. Converting qubits. Nat. Photon. 17, 131–132 (2023).

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