Impact Rare Earth Technological metals are often called as such due to their outstanding physical properties. This is, for example, the case with the extreme resistance of metals such ...

Copper’s low absorption of red or infrared light also means that laser systems are highly sensitive to the condition of the metal’s surface ... compounds gallium arsenide or gallium phosphide ...

Read the paper: GaAs nano-ridge laser ... scalable, low-cost way to produce photonic circuits. It could also aid sustainability, because it uses silicon as a substrate, rather than gallium ...