For decades, laser engineers have wrestled with an embarrassing blind spot: the green-through-yellow slice of the visible ...

From left to right: Schematic of the nonlinear optical mirror used for up-conversion imaging. Energy diagram showing the sum frequency generation process used for up-conversion. Representative ...

Researchers in Quebec, Canda, have developed the first fiber laser that can produce femtosecond pulses in the visible range of the electromagnetic spectrum. Fiber lasers producing ultrashort, bright ...

Researchers at the Dalian University of Technology and the University of Hong Kong have developed a novel method for creating dynamically reconfigurable color displays using Tamm plasmonic photonic ...