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Quantum photonics

Entangled photons on a chip

Using photonic chips to control single photons in waveguides is a promising route to technologies based on the photons'quantum properties. The ability to measure entanglement on such chips is a key step in that direction.

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Figure 1: Measuring entanglement on a chip1.

References

  1. Sansoni, L. et al. Phys. Rev. Lett. 105, 200503 (2010).

    Article  ADS  Google Scholar 

  2. O'Brien, J. L., Furusawa, A. & Vučković, J. Nature Photon. 3, 687–695 (2009).

    Article  ADS  CAS  Google Scholar 

  3. Gisin, N. & Thew, R. Nature Photon. 1, 165–171 (2007).

    Article  ADS  CAS  Google Scholar 

  4. Nagata, T., Okamoto, R., O'Brien, J. L., Sasaki, K. & Takeuchi, S. Science 316, 726–729 (2007).

    Article  ADS  CAS  Google Scholar 

  5. Ladd, T. D. et al. Nature 464, 45–53 (2010).

    Article  ADS  CAS  Google Scholar 

  6. O'Brien, J. L. Science 318, 1567–1570 (2007).

    Article  ADS  CAS  Google Scholar 

  7. Politi, A., Cryan, M. J., Rarity, J. G., Yu, S. & O'Brien, J. L . Science 320, 646–649 (2008).

    Article  ADS  CAS  Google Scholar 

  8. Politi, A., Matthews, J. C. F. & O'Brien, J. L. Science 325, 1221 (2009).

    Article  ADS  MathSciNet  CAS  Google Scholar 

  9. Matthews, J. C. F., Politi, A., Stefanov, A. & O'Brien, J. L . Nature Photon. 3, 346–350 (2009).

    Article  ADS  CAS  Google Scholar 

  10. Peruzzo, A. et al. Science 329, 1500–1503 (2010).

    Article  ADS  CAS  Google Scholar 

  11. Marshall, G. D. et al. Opt. Express 17, 12546 (2009).

    Article  ADS  CAS  Google Scholar 

  12. Okamoto, R. et al. Science 323, 483–485 (2009).

    Article  ADS  CAS  Google Scholar 

Download references

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Lobino, M., O'Brien, J. Entangled photons on a chip. Nature 469, 43–44 (2011). https://doi.org/10.1038/469043a

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