[P-CTu12] C12. Silicon Photonics

[P-CTu12-04] New Image Recognition Approach by Using Image Senser and Machine-Learning for Grating Coupler Alignment

*Hongli Yu¹, Naoto Yoshimoto¹ (1. Chitose Institute of Science and Technology (Japan))

[Presentation Style] Onsite

New approach for grating coupler alignment. Hidden grating coupler is successfully visualized and alignment position prediction by using visible light, image sensor and machine learning. The accuracy of prediction is about 85% after machine learning.