All-optically modulated PDVT-10/IGZO heterojunction synapses for neuromorphic applications
Abstract
, "OR", "AND", "NOR", and "NAND"). This configuration yields an optical conductance tuning ratio of 8.2 and retains stable performance even after 9 months in the atmospheric environment. The light-induced mechanism can be attributed to the ionization and neutralization of oxygen vacancies within the IGZO layer. Such an all-optical synapse is further validated by integration with artificial neural networks, achieving a recognition accuracy of 97.4% in handwritten digit classification and demonstrating effective feature enhancement in image-denoising tasks. This bio-inspired design will endow machine vision systems with high biological fidelity, high energy-efficiency, and fully photonic operation.
Fields of Study & Subjects
Advanced Memory and Neural Computing
Neural Networks and Reservoir Computing
Optical Network Technologies
Publication details
- Journal / source
- Materials Horizons
- Publisher
- Royal Society of Chemistry (RSC)
- Volume
- 13
- Issue
- 9
- Pages
- 4653–4662
- Publication date
- 1 January 2026
- Language
- EN