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Quantum nonlinearities at the single-particle level

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A hybrid state of photons and electronic excitations in semiconductor quantum wells shows nonlinear behaviour at the level of single or few quanta, thus opening the door to the realization of photonic nonlinear quantum devices employing semiconductor technologies.

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Fig. 1: Polariton blockade.

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Authors and Affiliations

  1. Dipartimento di Fisica, Università di Pavia, Pavia, Italy

    Dario Gerace

  2. University of Wolverhampton, Wolverhampton, UK

    Fabrice Laussy

  3. Russian Quantum Center, Moscow, Russia

    Fabrice Laussy

  4. CNR NANOTEC, Institute of Nanotechnology, Lecce, Italy

    Daniele Sanvitto

Authors
  1. Dario Gerace
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  2. Fabrice Laussy
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  3. Daniele Sanvitto
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Correspondence to Daniele Sanvitto.

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Gerace, D., Laussy, F. & Sanvitto, D. Quantum nonlinearities at the single-particle level. Nature Mater 18, 200–201 (2019). https://doi.org/10.1038/s41563-019-0298-3

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