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Carbon nanotubes, a new generation of quantum light sources ?

↦ Voir en ligne : https://www.phys.ens.fr/spip.php?ar...

During the the twentieth century, a race for speed in telecommunication technologies has driven research and technical evolution. But recently, a new crucial question appeared : how to ensure the security of data flows ? Is it possible to guarantee the inviolability of a telecommunication based on the laws of physics ? A possible solution relies on the use of single photons to carry information. But how to implement it ? Several teams of researchers and among them the "Nanooptics" team at LPA led by Christophe Voisin, start to reply to this question, both fundamental and with a wide application scope.

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