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(1) Presentation(s)

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Jeu. 12/10/2017 15:00 Salle des Séminaires, Bâtiment 21, Etage 4

Séminaire
LAGOUDAKIS Konstantinos (E. L. Ginzton Laboratory, Stanford University, United States)
candidat CNRS section 3
Light-Matter Interactions in Semiconductors: From Condensates of Exciton-Polaritons to Scalable Platforms for Quantum Information Processing

(Physique de l'exciton, du photon et du spin)


Sommaire:

Light-matter interactions lie at the heart of a very broad range of fundamental physics and applications. At a single particle level, such interactions enable all-optical quantum control of qubits which is of great interest for quantum information. At a more macroscopic level, these interactions are a key to collective phenomena such as condensation of exciton-polaritons in microcavities. In this talk I will present my previous and current research which is unified under the broad field of light-matter interactions in semiconductors. In particular, I will briefly introduce polariton condensates along with the typical experimental methods used for their study and will cover a few exciting experiments ranging from the observation of pinned singly-charged vortices to the demonstration of a polaritonic Josephson junction. Moving from such collective quasi-particle phenomena to the investigation of more discreet quantum emitter systems, I will then address experimental efforts on the coherent control of scalable quantum emitter platforms. More specifically, I will present recent work on site-controlled quantum dots and silicon vacancies in diamond, and will conclude with an overview of my vision for future research.


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Pour plus d'informations, merci de contacter Vladimirova M.