My background is semiconductor physics, both basic physics and device physics. I came to work on the laser concept through my work on the transistor. The transistors in the 1950s were hideously slow ...

You will learn about semiconductor light-emitting diodes (LEDs) and lasers, and the important rules for their analysis, planning, design, and implementation. You will also apply your knowledge through ...

The demand for photonics technology continues to grow with popular laser applications including semiconductor optical amplifiers (SOAs), Fabry-Perot (FP) devices and distributed feedback (DFB) lasers.

Researchers have developed a chip-scale laser source that enhances the performance of semiconductor lasers while enabling the generation of shorter wavelengths. This pioneering work represents a ...

A new wave of innovation is transforming the future of optical technologies, driven by rapid advancements in semiconductor nanolasers. These advances are essential for future applications such as ...

A new publication from Opto-Electronic Advances; DOI 10.29026/oea.2025.240159, discusses on-chip light control of semiconductor optoelectronic devices using integrated metasurfaces. Since the initial ...

Scientists at the University of St. Andrews, UK, say they are leading a “significant breakthrough” in a decades-long challenge to develop compact organic laser technology. While many lasers used for ...

Ultraviolet-B (UV-B) semiconductor lasers are highly sought for medical, biotechnology, and precision manufacturing applications; however, previous UV-B laser diodes were limited to pulsed operation ...