SHENZHEN, China, Nov. 24, 2025 /PRNewswire/ -- Appotronics (688007.SH), the inventor of ALPD® laser display technology, delivered the pivotal visual technology that defined the closing ceremony of the ...

Engineers are turning what used to be a bulky optics bench into something that fits on the tip of a finger, and the latest photonic chips go a step further by splitting a single laser into a ...

WiFi is embedded in our lives today. The term originated about four decades ago (as a marketing ploy, designed to rhyme with the term “Hi-Fi”) and has revolutionized personal communications, internet ...

An LED and a semiconductor laser (or laser LED) work in essentially the same way, that is, light is emitted as electrons and holes combine, with emission wavelength dependent upon the materials used.