World's Best Scientists 2026 revealed!

D-Index & Metrics

Physics

D-Index
109
Citations
47285
World Ranking
1208
National Ranking
634

Scott A. Diddams publication distribution in Physics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Physics in 2026. The highlighted bar marks where Scott A. Diddams sits on this spectrum.

103–122 publications: 7 scientists 123–142 publications: 10 scientists 143–162 publications: 31 scientists 163–182 publications: 35 scientists 183–202 publications: 53 scientists 203–222 publications: 81 scientists 223–242 publications: 85 scientists 243–262 publications: 112 scientists 263–282 publications: 114 scientists 283–302 publications: 126 scientists 303–322 publications: 136 scientists 323–342 publications: 162 scientists 343–362 publications: 155 scientists 363–382 publications: 156 scientists 383–402 publications: 134 scientists 403–422 publications: 145 scientists 423–442 publications: 147 scientists 443–462 publications: 131 scientists 463–482 publications: 131 scientists 483–502 publications: 116 scientists 503–522 publications: 106 scientists 523–542 publications: 103 scientists 543–562 publications: 87 scientists 563–582 publications: 84 scientists 583–602 publications: 94 scientists 603–622 publications: 70 scientists 623–642 publications: 76 scientists 643–662 publications: 60 scientists 663–682 publications: 54 scientists 683–702 publications: 60 scientists 703–722 publications: 48 scientists 723–742 publications: 64 scientists 743–762 publications: 48 scientists 763–782 publications: 37 scientists 783–802 publications: 43 scientists 803–822 publications: 34 scientists 823–842 publications: 36 scientists 843–862 publications: 32 scientists 863–882 publications: 32 scientists 883–902 publications: 31 scientists 903–922 publications: 25 scientists 923–942 publications: 15 scientists 943–962 publications: 24 scientists 963–982 publications: 13 scientists 983–1,002 publications: 21 scientists 1,003–1,022 publications: 21 scientists 1,023–1,042 publications: 16 scientists 1,043–1,062 publications: 9 scientists 1,063–1,082 publications: 19 scientists 1,083–1,102 publications: 11 scientists 1,103–1,122 publications: 17 scientists 1,123–1,142 publications: 11 scientists 1,143–1,162 publications: 7 scientists 1,163–1,182 publications: 4 scientists 1,183–1,202 publications: 10 scientists 1,203–1,222 publications: 8 scientists 1,223–1,242 publications: 16 scientists 1,243–1,262 publications: 4 scientists 1,263–1,282 publications: 10 scientists 1,283–1,302 publications: 5 scientists 1,303–1,322 publications: 7 scientists 1,323–1,342 publications: 4 scientists 1,343–1,362 publications: 8 scientists 1,363–1,382 publications: 6 scientists 1,383–1,402 publications: 7 scientists 1,403–1,422 publications: 3 scientists 1,423–1,442 publications: 4 scientists 1,443–1,462 publications: 4 scientists 1,463–1,468 publications: 3 scientists 1,469+ publications: 100 scientists
103 publications 1,469+

This scientist: 800 publications — 84th percentile

84% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,469 publications or more.

Scott A. Diddams D-index placement in Physics in 2026

The chart shows the D-index (discipline H-index) distribution of Physics scientists ranked by Research.com in 2026. The highlighted bar marks where Scott A. Diddams sits on this spectrum.

70–71 D-Index: 76 scientists 72–73 D-Index: 110 scientists 74–75 D-Index: 143 scientists 76–77 D-Index: 153 scientists 78–79 D-Index: 144 scientists 80–81 D-Index: 167 scientists 82–83 D-Index: 167 scientists 84–85 D-Index: 166 scientists 86–87 D-Index: 132 scientists 88–89 D-Index: 155 scientists 90–91 D-Index: 134 scientists 92–93 D-Index: 137 scientists 94–95 D-Index: 102 scientists 96–97 D-Index: 112 scientists 98–99 D-Index: 110 scientists 100–101 D-Index: 116 scientists 102–103 D-Index: 97 scientists 104–105 D-Index: 103 scientists 106–107 D-Index: 87 scientists 108–109 D-Index: 90 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 78 scientists 114–115 D-Index: 75 scientists 116–117 D-Index: 67 scientists 118–119 D-Index: 69 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 59 scientists 124–125 D-Index: 53 scientists 126–127 D-Index: 42 scientists 128–129 D-Index: 41 scientists 130–131 D-Index: 33 scientists 132–133 D-Index: 32 scientists 134–135 D-Index: 45 scientists 136–137 D-Index: 19 scientists 138–139 D-Index: 24 scientists 140–141 D-Index: 28 scientists 142–143 D-Index: 31 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 20 scientists 148–149 D-Index: 12 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 24 scientists 154–155 D-Index: 23 scientists 156–157 D-Index: 15 scientists 158–159 D-Index: 15 scientists 160–161 D-Index: 11 scientists 162–163 D-Index: 17 scientists 164–165 D-Index: 12 scientists 166–167 D-Index: 11 scientists 168–169 D-Index: 9 scientists 170–171 D-Index: 9 scientists 172–173 D-Index: 11 scientists 174–175 D-Index: 4 scientists 176–177 D-Index: 8 scientists 178–179 D-Index: 5 scientists 180–181 D-Index: 3 scientists 182–183 D-Index: 4 scientists 184 D-Index: 4 scientists 185+ D-Index: 99 scientists
70 D-Index 185+

This scientist: 109 D-Index — 68th percentile

68% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 185 D-Index or more.

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

  • Microresonator-Based Optical Frequency Combs

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

  • 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

  • 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

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

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

  • 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

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

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

  • Generation of ultrastable microwaves via optical frequency division

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

  • Soliton crystals in Kerr resonators

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

  • 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

  • The evolving optical frequency comb [Invited]

    Scott A. Diddams

  • The evolving optical frequency comb

    Scott A. Diddams

  • Architecture for the photonic integration of an optical atomic clock

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

  • Microresonator frequency comb optical clock

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

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

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

  • Fundamental noise limitations to supercontinuum generation in microstructure fiber.

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

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

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

  • Optical frequency combs: Coherently uniting the electromagnetic spectrum.

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

  • 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

  • An Integrated-Photonics Optical-Frequency Synthesizer

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

Frequent Co-Authors

Scott B. Papp
Scott B. Papp National Institute of Standards and Technology
Leo W. Hollberg
Leo W. Hollberg Stanford University
Kerry J. Vahala
Kerry J. Vahala California Institute of Technology
Kartik Srinivasan
Kartik Srinivasan University of Maryland, College Park
Jun Ye
Jun Ye University of Colorado Boulder
John L. Hall
John L. Hall University of Colorado Boulder
Joe C. Campbell
Joe C. Campbell University of Virginia
Steven T. Cundiff
Steven T. Cundiff University of Michigan–Ann Arbor
David J. Wineland
David J. Wineland University of Oregon

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