2022 International Conference on Solid State Devices and Materials

Presentation information

Oral Presentation

02: Advanced and Emerging Memories / New Applications

[F-7] In-Memory and Unconventional Computing

Thu. Sep 29, 2022 9:00 AM - 10:15 AM 201 (2F)

Session Chair: Halid Mulaosmanovic (GlobalFoundries), Hiroki Sasaki (MIRISE Technologies Corp.)

9:45 AM - 10:00 AM

[F-7-03] FeFET Reservoir with Four-Terminal Operation for Efficient and Flexible Reservoir Computing Hardware

〇Kasidit Toprasertpong1,2, Eishin Nako1, Zeyu Wang1, Ryosho Nakane1, Mitsuru Takenaka1, Shinichi Takagi1 (1. Univ. of Tokyo (Japan), 2. Stanford Univ. (United States of America))

Presentation style: On-site (in-person)

https://doi.org/10.7567/SSDM.2022.F-7-03

We explore the potential of the four-terminal operation scheme of the FeFET reservoir in FeFET-based reservoir computing. By reading out the current waveforms from the drain, source, and substrate to form the reservoir state, the computing performance is significantly improved compared to the previous operation scheme using only the drain current. This reservoir computing scheme can well predict the output sequence of the second-order nonlinear dynamical system with a low prediction error. The four-terminal feature of FeFETs also provides the capability to fine-tune the reservoir state for flexible reservoir computing hardware.

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