The direct detection of gravitational waves in 2015 validated Einstein’s general relativity and inaugurated a new era in observational astrophysics. Meanwhile, quantum mechanics—with its revolutionary principles of superposition, entanglement, and uncertainty—underpins the next generation of sensors, computers, and communication networks. By uniting these two pillars of modern physics, this conference seeks to:

Unify theoretical frameworks

• Connect experts in quantum information, black‐hole thermodynamics, topological quantum matter, and semiclassical gravity.
• Explore quantum gravity approaches—including loop quantum gravity, string theory, asymptotic safety, and analogue model—in the context of astrophysical observations.

Accelerate detector innovation

• Showcase squeezed light interferometry, quantum non-demolition measurements, and optomechanical transducers.
• Discuss next-generation terrestrial and space-based gravitational wave detectors, including quantum-limited readouts and cryogenic technologies.

Enhance multi-messenger astronomy

• Integrate gravitational wave data with electromagnetic, neutrino, and cosmic ray observations.
• Leverage quantum machine learning algorithms to correlate signals and extract faint or transient astrophysical events.

Chart future directions

• Address open questions in quantum advantage, distributed quantum computing, and hybrid quantum–classical simulation of astrophysical phenomena.
• Evaluate global strategies for detector networks, open source software ecosystems, and interdisciplinary training initiatives.