Q: What does it mean when a fiber modem is advertised as having "13 db optical budgets"? A: The optical budget, also known as maximum attenuation, includes the fiber connector loss of signal amplitude ...

A device that boosts light signals in an optical fiber network. Unlike regenerators, which have to convert light to electricity in order to amplify it and then convert it back again to light, the ...

Scientists have generated a real-time signal of an accurate time scale by combining an optical lattice clock and a hydrogen maser. The signal generated in this optical-microwave hybrid system ...

Optical clocks have evaluated the latest 'one second' tick of the International Atomic Time (TAI) and provided these data for adjusting the tick rate of TAI. Optical clocks of the National Institute ...