Scientists Shrink 3 Photonic Chip Components by 500 Times With AI Designs
Updated
Updated · Livescience.com · Aug 18
Scientists Shrink 3 Photonic Chip Components by 500 Times With AI Designs
3 articles · Updated · Livescience.com · Aug 18
Summary
Three photonic microchip components—wavelength splitters, mode sorters and mirrors—were miniaturized by up to 500 times, freeing chip space for added on-chip functions.
An AI inverse-design algorithm generated the nanostructures by working backward from target light behavior and manufacturing limits, producing layouts researchers said were beyond human intuition.
silicon nitride components 400 to 800 nanometers thick helped cut light loss; the roughly 11-micron mirrors reflected up to 98.5% of incoming light and trapped it for more than 100 bounces.
The wavelength splitter measured about 5 microns across, roughly the size of a bacterium, while the team has not yet integrated the parts into a full optical circuit.
The result points toward denser photonic chips for data centers, AI, lidar and quantum computing, where light-based circuits can move data faster and with less heat than electronic chips.
With microscopic AI-designed components freeing up massive chip space, what revolutionary new functions will be packed into next-generation optical hardware?
AI just shrank photonic chip parts by 500 times, but can these alien-looking designs actually survive the harsh realities of mass production?
If algorithms outsmart human intuition to design microscopic light components, are human engineers about to be entirely replaced in hardware creation?