Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

James C. Bergquist

Publications

Generation of Ultrastable microwaves via optical frequency division

Author(s)
Tara M. Fortier, Matthew S. Kirchner, Jennifer A. Taylor, James C. Bergquist, Yanyi Jiang, Andrew D. Ludlow, Christopher W. Oates, Till P. Rosenband, Scott A. Diddams, Franklyn J. Quinlan, Nathan D. Lemke
A frequency-stabilized femtosecond laser optical frequency comb serves as a source of microwave signals having very low close-to-carrier phase noise. Comparison

Field-test of a robust, portable, frequency-stable laser

Author(s)
David R. Leibrandt, Michael J. Thorpe, James C. Bergquist, Till P. Rosenband
We operate a frequency-stable laser in a non-laboratory environment where the test platform is a passenger vehicle. We measure the acceleration experienced by
Created October 9, 2019