Artificial optoelectronic synapse with >25 minutes of continuous memory retention vastly simplifies circuitry/ cuts energy consumption

https://phys.org/news/2026-05-optoelectronic-synapse-exceptional-photoresponse-neuromorphic.html

"utilizes solution-processed mesoscopic α-phase vanadium pentoxide thin films... manipulates oxygen vacancies within crystalline lattice enabling persistent photoconductivity functioning intrinsic, gate-free memory... broadband light signal captures/ accurately mimics biological eye-brain pathways, establishing short/ long-term synaptic plasticity... exceptional stability/ retention over 150 bending cycles... optical sensing/ nonvolatile memory integration... autonomous: edge-AI vision, machine vision"