Author:
Ko Gyu-min,Lee Seungbeom,Choi Minjun,Park Hea-Lim
Abstract
Organic photonic synapses are promising candidates for optoelectronic
neuromorphic electronic components owing to their advantages from both material
and signal perspectives. Organic materials have advantages such as low cost,
tunable properties according to the molecular design, mechanical flexibility,
and biocompatibility. In addition, using light as an input signal affords
advantages such as ultrafast signal transmission speed, wide bandwidth, and
wireless communication. Thus, different types of organic photonic synapses have
been researched using various mechanisms and new materials.
In this review, we first introduce the biological synaptic properties imitated by
photonic synapses. Next, the operating mechanism and materials used are
discussed by categorizing the device structures into two-terminal and
three-terminal devices. To verify the applicability of organic photonic synapses
in the real world, we present various applications such as pattern recognition,
smart windows, and Pavlov’s dog experiment, which have been demonstrated
in previous studies. Finally, we discuss the remaining challenges and provide
directions for further research on organic photonic synapses.
Funder
National Research Foundation of Korea
Publisher
Korea Flexible & Printed Electronics Society
Cited by
1 articles.
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