Monolithic QBIC-MQW chip for machine vision
Peer-Reviewed Publication
Updates every hour. Last Updated: 25-Oct-2026 07:16 ET (25-Oct-2026 11:16 GMT/UTC)
Researchers developed a nanophotonic processor via monolithicly integrating symmetry-broken quasi-bound states in the continuum (BIC) metasurfaces with GaAs/AlGaAs multiple quantum wells (MQWs). By leveraging light-matter interaction, the leaky mode of quasi-BIC makes the vertical-field light absorption possible in MQW. A nonlinear photoresponse is driven by changing asymmetry parameter, while linear scenario by incident angle and bias voltage. Implementing multifunctional BIC-MQWs into an artificial neural network provides a new hardware paradigm for machine vision applications.
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