In low-bandwidth applications, fiber optic cable transmits data using one color of light. There’s a way to get more bandwidth out of a fiber optic cable, as [Shahriar] found out while ...

Compare fiber vs. cable internet in 2025, from speed and pricing to availability and reliability. Find out which option fits ...

Changing the color of photons in this manner is known as quantum frequency translation, and it has been achieved before, but not within a fiber optic cable. “Other researchers have done this ...

It’s used in phone lines, cable television and the Internet. From the outside, fiber optic cable doesn’t look much different than your average cable, but on the inside, it’s a whole new world.

A fiber-optic cable often includes (listed from the outer layer inward): An outer polyurethane jacket, a protective layer (made from a material like kevlar), a plastic coating (in different colors ...

More information: Beitao Ren et al, Full-color fiber light-emitting diodes based on perovskite quantum wires, Science Advances (2024). DOI: 10.1126/sciadv.adn1095 ...