Photonic Flatband Resonances in Multiple Light Scattering - Understanding Radiation Efficiency in Nanophotonic Systems

Explore the fascinating physics behind radiation efficiency optimization in a 41-minute quantum lunch seminar presented by Daniel Leykam at the Centre for Quantum Technologies. Discover how the positioning of silicon nanoparticle arrays can dramatically enhance quantum light source efficiency, drawing parallels with everyday experiences like mobile phone reception. Learn about photonic flat band resonances that emerge from the interplay between short and long-range coupling effects, challenging traditional infinite periodic environment models. Gain insights into the critical role of multiple light scattering in nanophotonic light source design, understanding how fine-tuned modes below the light line contribute to radiation enhancement by orders of magnitude.