We have developed a 1-mm-long high-power DFB laser using an asymmetrical cladding based on the dilute waveguide technique. We have obtained about 180 mW output power at 25°C and >;30 mW at 15°C-85°C ...

This article will explore 15 of the most iconic logos ever created. We'll examine what makes them memorable, their history, and their impact.