All-solid-state beam scanning based on the ultra-large-scale micro-ring optical switch array

We demonstrate a focal plane array chip with 2113 micro-rings and 1024 optical antennas integrated on it using field-of-view splicing technology and antenna multiplexing technology. This chip enables a two-dimensional quasi-continuous scanning $(90.3 ^{\circ} \times 29.5 ^{\circ})$.