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nanofabrication, but they have the great advantage of emitting single photons at telecom wavelengths. This PhD aims at understanding and controlling the optical coherence properties of individual color centers
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to photonic structures, in particular plasmonic structures, whose resonances are confined within a few nanometres. The equipment and experimental setups for quantum optics experiments (lasers, cryostats
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. Their nonlinear evolution can lead to the emergence of large-scale coherent structures or turbulence, resulting in significant radial plasma transport—and thus degradation of plasma confinement. Understanding
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). The LPS is a member of the Friedel-Jacquinot Federation, a coordination structure for physics research on the Moulon plateau in Orsay (Île-de-France). It brings together around one hundred researchers and
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closely with LULI's exper-imental teams involved in the Taranis project. This thesis focuses on the theoretical and numerical study of parametric instabilities driv-en by broadband, low-temporal-coherence