Integrating quasi-bound states in the continuum with multiple quantum wells onto 1 chip for compact, high-speed machine vision

https://www.eurekalert.org/news-releases/1144520

"asymmetric metal resonator metasurface engineered chip creates controlled leaky modes trapping light into wells, bypassing normal-incidence optical absorption constraints... supports linear/ nonlinear photoresponses on-chip, enabling integrated image sensing/ contrast-enhancement preprocessing without complex external circuits... modulating linear photoresponse via external bias voltage/ incident angle enables neural network execution for edge detection/ pattern recognition... wafer-scale fabrication"