circularly polarized ultraviolet neuromorphic vision sensing and imaging
Source PDF · page 1RESEARCH PAPER
Circular polarization-resolved ultraviolet photonic artificial synapse based on chiral perovskite
Qi Liu, Qi Wei, Hui Ren, Luwei Zhou, Yifan Zhou, Pengzhi Wang, Chenghao Wang, Jun Yin, Mingjie Li
Research context
Circularly polarized light (CPL) adds a unique dimension to optical information processing and communication. Integrating CPL sensitivity with light learning and memory in a photonic artificial synapse (PAS) device holds significant value for advanced neuromorphic vision systems. However, the development of such systems has been impeded by the scarcity of suitable CPL active optoelectronic materials. In this work, we employ a helical chiral perovskite hybrid combined with single-wall carbon nanotubes to achieve circularly polarized ultraviolet neuromorphic vision sensing and imaging. The heterostructure demonstrates long-term charge storage as evidenced by multiple-pulsed transient absorption measurements and highly sensitive circular polarization-dependent photodetection, thereby enabling efficient CPL-resolved synaptic and neuromorphic behaviors. Significantly, our PAS sensor arrays adeptly visualize, discriminate, and memorize distinct circularly polarized images with up to 93% recognition accuracy in spiking neural network simulations. These findings underscore the pivotal role of chiral perovskites in advancing PAS technology and circular polarization-enhanced ultraviolet neur
Source & review
Contains findings linked to source PDF pages.
helical chiral perovskite hybrid combined with single-wall carbon nanotubes
Source PDF · page 1up to 93% image-recognition accuracy in spiking neural-network simulations
Source PDF · page 1Cite / 引用
Qi Liu, Qi Wei, Hui Ren, Luwei Zhou, Yifan Zhou, Pengzhi Wang, Chenghao Wang, Jun Yin, Mingjie Li. Circular polarization-resolved ultraviolet photonic artificial synapse based on chiral perovskite. Nature Communications (2023). https://doi.org/10.1038/s41467-023-43034-3
分享：本论文的永久链接