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

Parametrically driven pure-Kerr dissipative solitons in a chip-integrated microcavity

March 14, 2024

Author(s)

Gregory Moille, Miriam Leonhardt, David Paligora, Nicolas Englebert, Francois Leo, Julien Fatome, Kartik Srinivasan, Miro Erkintalo

The discovery that externally-driven nonlinear optical resonators can sustain ultrashort pulses cor- responding to coherent optical frequency combs has enabled

Evaluating Common-View Time Transfer Using a Low-Cost Dual-Frequency GNSS Receiver

February 15, 2024

Author(s)

Aidan Montare, Andrew Novick, Jeffrey Sherman

Common-view time transfer can be performed using either single (L1) or dual (L1/L2) frequency global navigation satellite system (GNSS) signals. Using dual

Roadmap towards the redefinition of the second

January 22, 2024

Author(s)

C Rieck, T Ido, M Wouters, Y Hanado, M Fujieda, PO Hedekvist, PE Pottie, J Bartholomew, J Hanssen, A Malimon, N Ashby, P Defraigne, Elizabeth Donley, I Sesia, H Schnatz, P Dube, N Dimarc, F Levi, H Margolis, S Slyusarev, M Yasuda, S Bize, D Calonico, David B. Newell, JP Uzan, M Gertsvolf, C Oates, E Peik, S Weyers, DH Yu, G Mileti, P Tavella, F Meynadier, G Petit, G Panfilo, F Fang, J Lodewyck

This paper outlines the roadmap towards the redefinition of the second recently updated by the CCTF Task Force created by the CCTF in 2020. The main

Threshold and Laser Conversion in Nanostructured-Resonator Parametric Oscillators

January 10, 2024

Author(s)

Haixin Liu, Grant Brodnik, Jizhao Zang, David Carlson, Jennifer Black, Scott Papp

We explore optical parametric oscillation (OPO) in nanophotonic resonators, enabling arbitrary, nonlinear phase matching and nearly lossless control of energy

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

Parametrically driven pure-Kerr dissipative solitons in a chip-integrated microcavity

Evaluating Common-View Time Transfer Using a Low-Cost Dual-Frequency GNSS Receiver

Roadmap towards the redefinition of the second

Threshold and Laser Conversion in Nanostructured-Resonator Parametric Oscillators

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