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Metrology

Time & frequency metrology

News and Updates

optomechanical accelerometer

A Better Way to Measure Acceleration

You’re going at the speed limit down a two-lane road when a car barrels out of a driveway on your right. You slam on the brakes, and within a fraction of a

Industry Impacts

Close up of the NIST chip-scale atomic clock

Navigation through Timekeeping

Accurate navigation requires precision timing synchronization to about 1 billionth of a second per day. New applications require timing mechanisms that can

Projects and Programs

Measurement device for signals in the W band (75-110 GHz)

Noise Metrology

We provide state-of-the-art phase and amplitude noise measurements for signals from RF to optical frequencies.
Web interface to control and monitor the servo with interactive blocks

FPGA Design

Our group is developing FPGA based digital phase noise measurement and control systems.

Publications

Blackbody Radiation Noise Broadening of Quantum Systems

Author(s)
Eric B. Norrgard, Stephen Eckel, Christopher L. Holloway, Eric Shirley
Precision measurements of quantum systems often seek to probe or must account for the interaction with blackbody radiation. Over the past several decades, much

Kerr Microresonator Soliton Frequency Combs at Cryogenic Temperatures

Author(s)
Gregory T. Moille, Xiyuan Lu, Ashutosh S. Rao, Qing Li, Daron A. Westly, Leonardo Ranzani, Scott B. Papp, Mohammad Soltani, Kartik A. Srinivasan
We present measurements of silicon nitride nonlinear microresonators and frequency comb generation at cryogenic temperatures as low as 7 K. A resulting two

Awards