Microresonators laser-sculpted onto fiber optic substrates guide light around obstacles for faster/ more reliable communications

https://eng.umd.edu/news/story/optics-breakthrough-could-yield-swifter-communications

"based on math dictating whether light flows smoothly or freezes at internal boundaries, chained 21 precisely sculpted sub-nm microresonators, forming durable 1-way optical highway... prevents signal scattering/ wave degradation, significantly reduces optical loss/ crosstalk, dynamically reconfigurable to remain stable without consuming extra energy... high-speed optical communications, secure military networks, battery-free quantum sensing, high-bandwidth fiber-optic backbones, data centers"