Time & frequency metrology

News and Updates

Jun Ye: A Timely Profile

June 26, 2023

Physicist Jun Ye has a knack for making every second count—literally. At JILA, a joint research institute of the University of Colorado and the National

New Tiny Atomic Beam Clock Could Bring Stable Timing to Places GPS Can’t Reach

June 21, 2023

A new type of miniature atomic clock could provide better timing over the span of weeks and months compared with current systems.

Superconducting Nanowire Single-Photon Detector

Unveiling the Universe: In 4 New Studies, NIST Explores Novel Ways to Hunt Dark Matter

December 8, 2022

For decades, astronomers and physicists have been trying to solve one of the deepest mysteries about the cosmos: An estimated 85% of its mass is missing.

Projects and Programs

Phase and Amplitude Noise Calibration Services

Ongoing

The group provides calibration services 77130C and 77140S for phase and amplitude noise measurements.

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

Phase and Amplitude Noise Metrology

Ongoing

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

Field Programmable Gate Array (FPGA) Designs for Metrology

Ongoing

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

5 MHz Graph of phase noise vs. offset frequency showing NIST synthesized signal, Wenzel OXCO, and BVA oscilloquartz.

Low-Phase Noise Frequency Synthesis

Ongoing

Design and implementation of low-phase noise oscillators and synthesizers

Publications

Synchronization and Coexistence in Quantum networks

March 27, 2023

Author(s)

Ivan Burenkov, Alexandra Semionova, FNU Hala, Thomas Gerrits, Anouar Rahmouni, DJ Anand, Ya-Shian Li-Baboud, Oliver T. Slattery, Abdella Battou, Sergey Polyakov

We investigate the coexistence of clock synchronization protocols with quantum signals in a common single-mode optical fiber. By measuring optical noise between

White Rabbit-assisted quantum network node synchronization with quantum channel coexistence

May 7, 2022

Author(s)

Thomas Gerrits, Ivan Burenkov, Ya-Shian Li-Baboud, Anouar Rahmouni, DJ Anand, FNU Hala, Oliver T. Slattery, Abdella Battou, Sergey Polyakov

We show that the Ethernet-based time transfer protocol 'White Rabbit' can synchronize two distant quantum-networked nodes to within 4 ps, enabling HOM

Impact of the precursor gas ratio on dispersion engineering of broadband silicon nitride microresonator frequency combs

November 29, 2021

Author(s)

Gregory Moille, Daron Westly, Gregory Simelgor, Kartik Srinivasan

Microresonator frequency combs, or microcombs, have gained wide appeal for their rich nonlinear physics and wide range of applications. Stoichiometric silicon

Fundamental limits and optimal estimation of the resonance frequency of a linear harmonic oscillator

September 15, 2021

Author(s)

Mingkang Wang, Rui Zhang, Robert Ilic, Yuxiang Liu, Vladimir Aksyuk

All physical oscillators, from optical cavities to mechanical cantilevers, are subject to thermodynamic and quantum perturbations and detection uncertainty

Time & frequency metrology

News and Updates

Jun Ye: A Timely Profile

New Tiny Atomic Beam Clock Could Bring Stable Timing to Places GPS Can’t Reach

Unveiling the Universe: In 4 New Studies, NIST Explores Novel Ways to Hunt Dark Matter

Projects and Programs

Phase and Amplitude Noise Calibration Services

Phase and Amplitude Noise Metrology

Field Programmable Gate Array (FPGA) Designs for Metrology

Low-Phase Noise Frequency Synthesis

Publications

Synchronization and Coexistence in Quantum networks

White Rabbit-assisted quantum network node synchronization with quantum channel coexistence

Impact of the precursor gas ratio on dispersion engineering of broadband silicon nitride microresonator frequency combs

Fundamental limits and optimal estimation of the resonance frequency of a linear harmonic oscillator

Awards

2022 Breakthrough Prize in Fundamental Physics - Jun Ye

2020 W. G. Cady Award - Craig Nelson

2015 Allen V. Astin Award - David A. Howe, Craig Nelson, and Archita Hati

2013 W. G. Cady Award - David Howe