A Microsoft-backed research team from Lumenisity (a spinout of the University of Southampton Optoelectronics Research Center) has built a hollow-core cable with what it claims is the lowest signal ...

The Azure team’s breakthrough, tested over 1,200 km of fiber, cuts transmission loss to below 0.1 dB/km and expands bandwidth, promising faster, cheaper, and more energy-efficient data networks.

Optical signal transmission can be significantly improved by limiting the wavelength of transmitted signals. Fiber Bragg grating (FBG) is a technique widely used in optical communication, sensing, and ...