Figure 4
From: Blueprint for Large-Scale Silicon Optical Phased Array Using Electro-Optical Micro-Ring Pixels

(a) Far-field radiation pattern of the proposed arch-shape grating coupler as optical antenna. (b) SEM image.
From: Blueprint for Large-Scale Silicon Optical Phased Array Using Electro-Optical Micro-Ring Pixels
(a) Far-field radiation pattern of the proposed arch-shape grating coupler as optical antenna. (b) SEM image.