For many years, semiconductor lasers, tiny chips emitting light, have been the workhorse of the optical communications industry, sending data signals around the world via a web of optical fibres.

CATALOG DESCRIPTION: Basic concepts of lasers; laser applications; gas and liquid lasers; solid-state lasers; semiconductor lasers; materials and devices; rate equations; laser gain and saturation; ...

Berkeley engineers have created a new type of semiconductor laser that accomplishes an elusive goal in the field of optics: the ability to maintain a single mode of emitted light while maintaining ...

The ability of new blue-light semiconductor lasers to better perform precision cutting, patterning or welding of copper will make electrical and electronic component manufacturing cheaper and more ...

[Zachary Tong] is dipping his toes into the DIY semiconductor world, and further to the goal of keeping costs to a hobbyist scale, is experimenting with laser doping of silicon. Doping is the ...

The semiconductor material properties will be used to design a range of devices including solar cell, photodetector, LEDs, Lasers and microwave devices. Heterojunctions and nanostructures (such as ...

Semiconductor lasers are small, highly efficient, low-cost light sources. The research group led by Susumu Noda, professor of the Graduate School of Engineering, Kyoto University, has succeeded in ...

Princeton University researchers have built a rice grain-sized microwave laser. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!

To facilitate the development of these ultrafast semiconductor ... research group combined a scanning electron microscope ...

In this module on LEDs, we will cover the following topics: Basic operating principles of LEDs, Survey of LEDs, Blue LED and solid state lighting, Basic principle of semiconductor laser, Condition for ...