Colloque - Alexia Auffèves : An Energetic Perspective on Fundamental Processes in Quantum Optics

Pascale Senellart Chaire annuelle Innovation technologique Liliane Bettencourt (2025-2026) Collège de France Année 2025-2026 Colloque : Light-based Quantum Technologies Pascale Senellart, chaire Innovation technologique Liliane Bettencourt Colloque - Alexia Auffèves : An Energetic Perspective on Fundamental Processes in Quantum Optics Alexia Auffèves Résumé For the emerging field of quantum energetics, a crucial motivation is to understand how quantum features impact energy and entropy exchanges in the quantum realm. Energetic footprint of quantum coherence and entanglement, irreversibility of quantum measurement and decoherence are typical research topics in the field. By staging simple interacting systems like atoms and photons, quantum optics provides a convenient scenery to study these effects. In this talk I will present a new framework to analyse energy and entropy exchanges in quantum optics, and apply it to elementary mechanisms: spontaneous and stimulated emission, coherent driving, driven-dissipative dynamics. I will showcase a few recent experimental results to illustrate the operationality of this framework before concluding on the impact of this research on the energy cost of quantum technologies.

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Colloque - Alexia Auffèves : An Energetic Perspective on Fundamental Processes in Quantum Optics is an episode from Colloques interdisciplinaires by Collège de France.

This episode is 44:05 long.

This episode was published on Apr 16, 2026.

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