Concentrating light in a volume as small as the wavelength itself is a challenge that is crucial for numerous applications.

The PCSEL invented by Professor Noda is based on the large-area resonance effect at a singularity point of the two-dimensional photonic crystal, which enables operation in a fundamental mode to be ...

Quantum computing promises revolutionary advancements, capable of outperforming traditional technology in speed, accuracy, ...

Photonic circuits ... However, expanding this to two-dimensional systems presented new challenges, including the risk of disruptions in the liquid-crystal patterns that would affect light behavior.

This technology leverages the Spontaneous Parametric Down-Conversion (SPDC) process in quantum optics, precisely shaping the spatial quantum correlations of entangled photon pairs within a ...