Scientists at Nanyang Technological University in Singapore have discovered a surprisingly simple way to create exotic light ...
In the experiment, a high-power green laser passed through a ruby cube, illuminated from the side by a blue laser. The green laser increased the ruby’s absorption of the blue light, creating a darker ...
Researchers at the University of Maryland (UMD) have demonstrated a continuously operating optical fiber made of thin air. The most common optical fibers are strands of glass that tightly confine ...