Figure 2
From: Deep neural network-based phase calibration in integrated optical phased arrays

(a) Fabricated 64-channel OPA chip and (b) electrical wire-bonding packaged OPA chip on printed circuit board (PCB).
From: Deep neural network-based phase calibration in integrated optical phased arrays

(a) Fabricated 64-channel OPA chip and (b) electrical wire-bonding packaged OPA chip on printed circuit board (PCB).