Optical fiber is a strand of glass that’s been “drawn,” or melted down, to about as thin as a human hair. Light passes through this glass carrying data, providing an internet connection.

More information: Isha Sharma et al, Widely FSR tunable high Q-factor microresonators formed at the intersection of straight optical fibers, Optica (2025). DOI: 10.1364/OPTICA.565224 ...

Now, researchers have developed an ytterbium-doped optical fiber at room temperature. By avoiding the need for expensive cooling solutions, the proposed method offers a cost-effective platform for ...

Vortex-Bessel beam generation by 3D direct printing of an integrated multi-optical element on a fiber tip. Optics Letters, 2022; 47 (20): 5248 DOI: 10.1364/OL.470924 ...

Using an optical processor to operate in the E- and S-band ranges, UK researchers hit a transfer rate of 301 terabits per second. By Andrew Paul Published Mar 29, 2024 4:35 PM EDT Get the Popular ...

Researchers have shown how ultrastable optical signals from optical clocks can be transmitted across tens of kilometers of deployed multicore fiber carrying telecommunications data. Nazanin ...

The system uses a special type of optical fiber, developed in the University of Southampton optical fiber drawing towers, called “flat fiber.” Flat optical fiber does not have a circular cross-section ...