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Séminaire général de l’INSP

Spin-photon interfaces for quantum computing and quantum communication - Sophia Economou - Jeudi 18 octobre à 11 h

INSP - Sorbonne Université - 4 place Jussieu - 75005 Paris - Barre 22-23, 3e étage, salle 317

Sophia Economou - Department of Physics, Virginia Tech

Abstract

Non-classical states of light, such as single photons and entangled photon states, are essential for novel quantum technologies, including photonic quantum computing, quantum communications and key distribution, and the quantum internet. Large two-dimensional highly entangled ‘cluster’ states of photons are a class of so-called graph states which constitute a universal resource for quantum computing. Photons also carry information between nodes in a network, and photonic graph states can be used for such quantum networks. A crucial question is therefore how these states can be created efficiently. I will present our work focusing on the deterministic generation of photonic graph states from spinful quantum emitters such as semiconductor quantum dots and color centers for quantum computing and quantum networks.