Transistor lasers represent a unique integration of semiconductor light sources with transistor functionalities, enabling both high-speed optical emission and electronic amplification in a single ...

Over the past decades, engineers have introduced numerous technologies that rely on light and its underlying characteristics. These include photonic and quantum systems that could advance imaging, ...

As demand for computing and communication capacity surges, the global communication infrastructure struggles to keep pace, since the light signals transmitted through fiber-optic lines must still be ...

Researchers in Switzerland have made the world's smallest optical transistor ever from a single dye molecule. The device, which works by weakening or amplifying a "source" laser beam depending on the ...

Optoelectronics, the use of electronic devices for the detection and control of light, has become a preferred means for broadband and transoceanic communication networks. Below is a sneak peek at the ...

A layered transistor design combines light detection optical memory and neuromorphic processing in one unit offering compact and efficient artificial vision hardware. (Nanowerk Spotlight) Artificial ...

Physicists in the US and Denmark have unveiled plans for an all-optical transistor-like device that can be turned on by a single photon. The device -- which has not yet been built -- consists of a ...

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Photocouplers optically links, via transparent isolating material, a light emitter and a photodetector. Used as an interface between circuits with different ground potentials, photocouplers replace ...