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Time & frequency metrology

News and Updates

Industry Impacts

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

Noise Metrology

We provide state-of-the-art phase and amplitude noise measurements for signals from RF to optical frequencies.

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 L. 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