NIST Researchers Boost Microwave Signal Stability a Hundredfold | NIST

The black rectangle (center) is a high-speed semiconductor photodiode that converts laser pulses to super-stable microwave frequencies. The diode is surrounded by a gold-coated border in which electrical leads are embedded. Wires connect the leads to the copper electrical circuit (top) used to extract microwave signals. The entire setup rests on a brass plate for mechanical stability. Credit: F. Quinlan/NIST

Researchers at the National Institute of Standards and Technology (NIST) have used state-of-the-art atomic clocks, advanced light detectors, and a measurement tool called a frequency comb to boost the stability of microwave signals a hundredfold. This marks a giant step toward better electronics to enable more accurate time dissemination, improved navigation, more reliable communications and higher-resolution imaging for radar and astronomy. Improving the microwave signal’s consistency over a specific time period helps ensure reliable operation of a device or system.

Source: NIST Researchers Boost Microwave Signal Stability a Hundredfold | NIST