Core Viewpoint - A revolutionary light focusing technology has been developed that can confine light beams to extremely small spaces comparable to their own wavelength, potentially leading to breakthroughs in photonic chips and quantum communication [1] Group 1 - Researchers from the Netherlands Institute for Atomic and Molecular Physics, Delft University of Technology, and Cornell University have collaborated on this innovative technology [1] - The method utilizes the unique properties of photonic crystals, allowing for a broader wavelength range and the formation of extremely high-intensity localized light fields [1] - The findings have been published in the latest issue of the journal "Science Advances" [1]