Laser light photons are created by the semiconductors ... by laser drilling micro holes into high-density printed circuit boards to help provide electrical connections between stacked layers ...
In the image above you can see the silver cylinder which houses the laser diode ... a red LED due to the intensity of the light. The simplicity of this circuit is fascinating.
IEEE Spectrum on MSN10d
How to Grow a Laser on Silicon
T oday, silicon photonic circuits connect server racks and play key roles in chemical sensors, biosensors, and LIDAR for self ...
Using its unique optical design technology, the company is the first to integrate the camera and LIDAR into a single unit with aligned optical axes. This allows the real-time integration of camera ...