By using paired, offset optical combs and RF electronics, researchers devised a unique atomic-clock architecture.

These clocks, based on quantum transitions in atoms like cesium and rubidium ... Ongoing advancements in chip-scale atomic ...

Adtran today launched the latest additions to its Oscilloquartz optical cesium portfolio, expanding access to precision timing across a wider range of network environments. The new OSA 3200 SP and OSA ...

The new clock is so reliable that it would be off by less than a second if it had started running 100 million years ago, researchers say.

The European Space Agency’s ACES mission could ultimately pave the way for a global network of atomic clocks that make these ...

A new atomic clock ... Known as NIST-F4, the clock is at the Boulder, Colorado, campus of the National Institute of Standards and Technology (NIST). The clock relies on cesium atoms, which ...

From space, the Atomic Clock Ensemble in Space will link to some of the most accurate clocks on Earth to create a ...

The National Institute of Standards and Technology (NIST) has dramatically enhanced the precision of time measurement with ...

This study demonstrates a compact optical modulation platform that enables real-time, high-resolution spectroscopy using sub-MHz interleaved combs generated via chip-scale acousto-optic phase ...

New silicon nitride microresonator cuts timing jitter in soliton microcombs, boosting precision for lidar, quantum metrology, ...