[ME3] Devices for Photonic Computing

4:30 PM - 4:45 PM JST(7:30 AM - 7:45 AM UTC)

[ME3-2] Wavelength-Spatial-Temporal Multiplexing Enabled High-Parallelism Optical Computing

Chao Luan¹, Ronald Davis¹, Zaijun Chen², Dirk Englund¹, ○Ryan Hamerly^1,3 (1.MIT , 2.University of California Berkeley, 3.NTT Research)

Keywords:

Wavelength-space-time multiplexed,high-parallelism,free-space diffraction grating

We experimentally realize a wavelength-space-time multiplexed, high-parallelism optical tensor processor leveraging chromatic dispersion in a free-space diffraction grating and demonstrate batch DNN inference at 96.4% accuracy with optical energy consumption of 20 aJ/MAC.