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	Podcast:		Colloques interdisciplinaires
	Episode:		Colloque - Antoine Heidmann : Listening to the Universe with Quantum Light: Quantum technologies for gravitational-wave detection
	Category:		Education
	Duration:		00:33:39
	Publish Date:		2026-04-16 15:54:00
	Description:		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 - Antoine Heidmann : Listening to the Universe with Quantum Light: Quantum technologies for gravitational-wave detection Antoine Heidmann Résumé Gravitational waves have opened a new way of observing the Universe, but their detection relies on laser interferometers operating at the very edge of what quantum physics allows. Quantum light — and in particular squeezed states — has become a key resource for improving detector sensitivity and overcoming quantum noise. This presentation highlights how squeezing and frequency-dependent squeezing are implemented in gravitational wave detectors such as LIGO and Virgo to enhance gravitational wave detection over a broad frequency range, and illustrates how quantum technologies developed for sensing play an essential role in fundamental research.
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