Abstract: We report on the demonstration of an InGaP/AlGaAs heterojunction avalanche photodiode (APD) with an aluminum composition of 0.8, optimized for high-speed visible-light detection. The APD ...

You bought into the LED hype, right? LED bulbs are supposed to save you money, last practically forever and maybe even talk to Alexa. Plus, they're better for the planet and more efficient. So why are ...

The Monroe County Opportunity Program and the Opportunity Center at the Arthur Lesow Community Center will distribute free LED bulbs Oct. 30. The event is part of Weatherization Day in Michigan and ...

Abstract: GaN-based light-emitting diodes (LEDs), which are regarded as one of the most important alternative light sources for visible light communication (VLC) systems, have been constrained by ...