Multi-camera on a chip and camera module design

A camera system, comprising:

• two or more sensor arrays on a same die, each sensor array comprising an array of pixels that sense light and each sensor array comprising a same field of view (FOV) as each other sensor array;
• an optical path comprising a main lens, a metalens and two or more microlens arrays, the main lens and the metalens being shared by each sensor array and each microlens array being associated with a corresponding sensor array, the metalens splitting light incident on the metalens into different spectrums of light and directing each respective spectrum to a corresponding sensor array;
• and
• an image processor on the same die as the sensor arrays, the image processor providing at least one of image processing, object recognition and object tracking of at least one output from the two or more sensor arrays and image fusion of outputs from two or more sensor array;
• and
• wherein the metalens comprises at least one layer of nanostructures formed on a substrate, the at least one layer of nanostructures diffracting and/or focusing at least one spectrum of the light incident on the metalens to the corresponding sensor array.

A camera system, comprising:

• two or more sensor arrays on a same die, each sensor array comprising an array of pixels that sense light, each sensor array comprising a same field of view (FOV) as each other sensor array, and at least one sensor array includes a single-photon avalanche diode;
• and
• an optical path comprising a main lens, a metalens and two or more microlens arrays, the main lens and the metalens being shared by each sensor array and each microlens array being associated with a corresponding sensor array, the metalens splitting light incident on the metalens into different spectrums of light and directing each respective spectrum to a corresponding sensor array;
• and
• wherein the metalens comprises at least one layer of nanostructures formed on a substrate, the at least one layer of nanostructures diffracting and/or focusing at least one spectrum of the light incident on the metalens to the corresponding sensor array.