Coherent optical neural network with injection-locked VCSELs
Zaijun Chen, Alex Sludds, Ronald Davis, Liane Bernstein, Lamia Ateshian, Ian Christen, Tobias Heuser, James A. Lott, Stephan Reitzenstein, Dirk Englund, Ryan Hamerly · Conference on Lasers and Electro-Optics · 2022
We demonstrate analog coherent homodyne photoelectric multiplication with phase-modulated VCSEL arrays (operating at Vπ= 2 mV). Precise phase control over individual laser emitters enables MNIST image classification with accuracy near the ground truth.