2026 Scott A. Diddams: Physics Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Physics	109	1208	1142	634	588	800	47285

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Physics

109

1208

1142

634

588

800

47285

Research.com Recognitions

2009 - OSA Fellows For seminal work in the area of precision spectroscopy and optical frequency metrology with femtosecond-laser frequency combs.
2008 - Fellow of American Physical Society (APS) Citation For major contributions to the development of optical frequency comb technology, and particularly for pioneering demonstrations of frequency combs in optical clocks, high resolution spectroscopy, and tests of basic physics

Overview

Scott A. Diddams is affiliated with the University of Colorado Boulder in the United States. Their research spans multiple areas within physics and engineering, with particular emphasis on atomic and molecular physics, optics, and instrumentation. Their work features significant contributions to advanced fiber laser technologies, photonic and optical devices, and frequency and time standards.

Their publication record includes numerous papers in key scientific venues and collaborations with frequent co-authors. Notable co-authors include Suvrath Mahadevan, Samuel Halverson, Joe P. Ninan, Christian Schwab, and Guðmundur Stefánsson.

Scott A. Diddams has contributed extensively to the following topics:

Advanced Fiber Laser Technologies
Stellar, planetary, and galactic studies
Astronomy and Astrophysical Research
Photonic and Optical Devices
Astro and Planetary Science
Laser-Matter Interactions and Applications
Advanced Frequency and Time Standards

Their research has been published predominantly in the following venues:

arXiv (Cornell University)
Conference on Lasers and Electro-Optics
The Astronomical Journal
Optics Letters
Optica

Diddams' recent notable papers include:

Optical frequency combs: Coherently uniting the electromagnetic spectrum, 2020, Science
Frequency ratio measurements at 18-digit accuracy using an optical clock network, 2021, Nature
Control and readout of a superconducting qubit using a photonic link, 2021, Nature
Photonic chip-based low-noise microwave oscillator, 2024, Nature
Chip-based laser with 1-hertz integrated linewidth, 2022, Science Advances

Their work is situated mainly in the fields of Physics and Astronomy and Engineering, with specific subfields including atomic and molecular physics, optics, astronomy and astrophysics, electrical and electronic engineering, instrumentation, and spectroscopy.

Scott A. Diddams has been recognized by professional societies. They were named an OSA Fellow in 2009 for contributions in precision spectroscopy and optical frequency metrology involving femtosecond laser frequency combs. Additionally, they were made a Fellow of the American Physical Society in 2008, noted for work on developing optical frequency comb technology with applications in optical clocks, high-resolution spectroscopy, and fundamental physics tests.

Best Publications

Carrier-envelope phase control of femtosecond mode-locked lasers and direct optical frequency synthesis

David J. Jones;Scott A. Diddams;Jinendra K. Ranka;Andrew Stentz

3640
Citations
Microresonator-Based Optical Frequency Combs

Tobias J. Kippenberg;Ronald Holzwarth;S. A. Diddams

2348
Citations
Frequency Ratio of Al+ and Hg+ Single-Ion Optical Clocks; Metrology at the 17th Decimal Place

T. Rosenband;D. B. Hume;P. O. Schmidt;C. W. Chou

1917
Citations
Direct link between microwave and optical frequencies with a 300 THz femtosecond laser comb

Scott A. Diddams;David J. Jones;Jun Ye;Steven T. Cundiff

1654
Citations
An Optical Clock Based on a Single Trapped 199Hg+ Ion

S. A. Diddams;Th. Udem;J. C. Bergquist;E. A. Curtis;E. A. Curtis

1038
Citations
An optical-frequency synthesizer using integrated photonics

Daryl T. Spencer;Tara E. Drake;Travis C. Briles;Travis C. Briles;Jordan R. Stone;Jordan R. Stone

982
Citations
Molecular fingerprinting with the resolved modes of a femtosecond laser frequency comb

Scott A. Diddams;Leo W. Hollberg;Vela Mbele;Vela Mbele;Vela Mbele

927
Citations
Generation of ultrastable microwaves via optical frequency division

T. M. Fortier;M. S. Kirchner;F. Quinlan;J. Taylor

904
Citations
Soliton crystals in Kerr resonators

Daniel C. Cole;Daniel C. Cole;Erin S. Lamb;Pascal Del’Haye;Pascal Del’Haye;Scott A. Diddams

799
Citations
Sr lattice clock at 1 x 10(-16) fractional uncertainty by remote optical evaluation with a Ca clock.

A. D. Ludlow;T. Zelevinsky;G. K. Campbell;S. Blatt

790
Citations
The evolving optical frequency comb [Invited]

Scott A. Diddams

688
Citations
The evolving optical frequency comb

Scott A. Diddams

624
Citations
Architecture for the photonic integration of an optical atomic clock

Zachary L. Newman;Vincent N. Maurice;Tara E. Drake;Jordan R. Stone

609
Citations
Microresonator frequency comb optical clock

Scott B. Papp;Katja Beha;Pascal Del'Haye;Franklyn Quinlan

599
Citations
Phase-locked, erbium-fiber-laser-based frequency comb in the near infrared.

Brian R. Washburn;Scott A. Diddams;Nathan R. Newbury;Jeffrey W. Nicholson

509
Citations
Fundamental noise limitations to supercontinuum generation in microstructure fiber.

Kristan L. Corwin;Nathan R. Newbury;J M. Dudley;S. Coen

489
Citations
Optical Frequency Synthesis and Comparison with Uncertainty at the 10-19 Level

Long-Sheng Ma;Long-Sheng Ma;Zhiyi Bi;Albrecht Bartels;Lennart Robertsson

456
Citations
Optical frequency combs: Coherently uniting the electromagnetic spectrum.

Scott A. Diddams;Scott A. Diddams;Kerry Vahala;Thomas Udem

445
Citations
Absolute frequency measurements of the Hg+ and Ca optical clock transitions with a femtosecond laser.

Th. Udem;S. A. Diddams;K. R. Vogel;C. W. Oates

444
Citations
An Integrated-Photonics Optical-Frequency Synthesizer

Daryl T. Spencer;Tara E. Drake;Travis Briles;Jordan R. Stone

4
Citations