2022 International Conference on Solid State Devices and Materials

講演情報

Oral Presentation

05: Photonics: Devices / Integration / Related Technology

[A-10] Integrated Photonic Devices

2022年9月29日(木) 16:00 〜 18:00 101 (1F)

Session Chair: Keijiro Suzuki (AIST), Karim Hassan (CEA-LETI)

17:30 〜 17:45

[A-10-06] Experimental Demonstration of a Novel Self-adaptive Photonic Tensor Core on the SOI Platform with Noise Suppression towards High Precision and Computational Efficiency

〇Rui Shao1, Gong Zhang1, Xuanqi Chen1, Haibo Wang1, Yue Chen1, Yuxuan Wang1, Xiao Gong1 (1. National Univ. of Singapore (Singapore))

Presentation style: On-site (in-person)

https://doi.org/10.7567/SSDM.2022.A-10-06

We report the first self-adaptive photonic tensor core employing noise suppressing structures using cascaded programmable Mach-Zehnder modulators (MZMs) on the standard 220 nm SOI photonic platform. We take advantage of the waveguide crossing structures to help achieve a significant reduction of errors when the number of MZMs raises. We further propose and utilize the self-adaptive mechanism to realize a ±0.5 dB dynamic control. By using our self-adaptive photonic tensor core to realize the deep convolution neural network (DCNN) with 15 convolutional layers, we demonstrate the lowest accuracy degradation (~0.2%) with high computational efficiency (~333 FLOP/W) among reported silicon photonic hardware.

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