A laser is usually constructed from two basic elements: a material that provides optical gain through stimulated emission and an optical cavity that partially traps the light. When the total gain in ...

Ramy Shelbaya – co-founder and chief executive of UK firm Quantum Dice – talks to Anna Demming about how the company is using quantum mechanics to generate random numbers, and the challenges and ...

The next generation of wireless communication will move into signal frequencies even higher than those of today's 5G systems, allowing signals to carry vastly more data at much higher speeds. These ...