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A quiet revolution in time: New quantum clock can tick with almost no energy waste

For years, physicists have been trying to design clocks that can measure tiny durations of time with extreme precision. Quantum clocks, in particular, have pushed the boundaries by using the strange ...
Electronic Design

Next-Gen Chip-Scale Atomic Clock: Thin is In, Noise is Out

Where and why tiny, portable, atomic clocks and their precision are needed. How atomic clocks are no longer room- or box-size arrangements. The size, power, and other metrics of a latest-generation ...
Electronic Design

Vernier Optical Combs Plus Heterodyned Electronics Yield Atomic Clock

There are significantly different architectures for what are known as “atomic” clocks. Optically driven atomic clocks offer a new set of performance attributes. The optical atomic clocks use paired ...
EurekAlert!

Researchers simplify design of optical atomic clocks without compromising performance

WASHINGTON — Researchers have demonstrated a new optical atomic clock that uses a single laser and doesn’t require cryogenic temperatures. By greatly reducing the size and complexity of atomic clocks ...
Semiconductor Engineering

The Design Challenges Of Clock Integrity And Clock Jitter

Signal integrity is one of the many challenges faced by chip designers. Deep submicron technologies are unfriendly hosts for the nice, clean signals desired. The culprits that compromise signal ...
The New York Times

Britain Gets Its First New Rail Clock Design in a Half Century

In a nod to history, the digital clock’s seconds indicator incorporates the British railway system’s renowned double arrow logo. By Susanne Fowler Reporting from London Train stations are known for ...
EDN

Development of Technology that Achieves World’s Most Accurate On-Chip Measurement of Clock Signal Quality

NEC Corporation (NEC) and NEC Electronics Corporation (NEC Electronics) today announced the development and verification of technology that achieves the world's most accurate on-chip measurement of ...