Enhancing and shaping interactions between energetic particles and nanophotonic quantum systems

by Dr Charles Roques-Carmes (Stanford University)

Monday 10 Mar 2025, 11:00 → 12:00 America/Los_Angeles

51/3-305 - Kavli 3rd Floor (SLAC)

Abstract: The interaction of energetic particles (EPs), such as X-rays and free electrons, with matter is fundamental to numerous imaging and characterization technologies, yet controlling and enhancing these interactions remains a significant challenge. In this talk, I will discuss how nanophotonic and quantum science can be leveraged to shape EP–matter interactions, enabling novel radiation control mechanisms at high energies. By designing tailored nanostructures—such as metasurfaces and photonic crystals—we can enhance and manipulate coherent emission from free electrons and X-ray-induced scintillation. I will present a framework for modeling EP interactions with nanophotonic materials, as well as recent experimental advances demonstrating enhanced cathodoluminescence and scintillation via resonant nanostructures, as well as recent efforts at Stanford towards quantum sensing of energetic particles with solid-state color centers. These approaches pave the way for transformative applications in high-resolution imaging, medical diagnostics, and quantum-enhanced detection, bridging the gap between optical nanophotonics and high-energy physics.

 

Recording of talk:  https://drive.google.com/file/d/1XWnREYUg7yKbAVHqriFuUhEgm5ryc3ju/view?usp=drive_link

 

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