World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 55 2167 2079 114 110 204 12380

Robert H. Hadfield publications per year

The chart shows the history of publications by Robert H. Hadfield between 1999 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Robert H. Hadfield published across 28 years, from 1999 to 2026, averaging 9.7 papers a year. Output peaked at 22 publications in 2025. 24 of the 271 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1999 to 2026. Vertical axis: number of publications, 0 to 22. Peak 22 publications in 2025. 1999: 4 publications 2000: 1 publication 2001: 3 publications 2002: 5 publications 2003: 4 publications 2004: 1 publication 2005: 3 publications 2006: 13 publications 2007: 11 publications 2008: 16 publications 2009: 7 publications 2010: 10 publications 2011: 19 publications 2012: 13 publications 2013: 18 publications 2014: 8 publications 2015: 15 publications 2016: 16 publications 2017: 10 publications 2018: 9 publications 2019: 13 publications 2020: 8 publications 2021: 12 publications 2022: 5 publications 2023: 9 publications 2024: 14 publications 2025: 22 publications 2026: 2 publications
1999 2026

271 publications in total across all disciplines

View publications per year as a table
Robert H. Hadfield: publications per year, 1999 to 2026
Year Publications
1999 4
2000 1
2001 3
2002 5
2003 4
2004 1
2005 3
2006 13
2007 11
2008 16
2009 7
2010 10
2011 19
2012 13
2013 18
2014 8
2015 15
2016 16
2017 10
2018 9
2019 13
2020 8
2021 12
2022 5
2023 9
2024 14
2025 22
2026 2
Total 271
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Robert H. Hadfield publication distribution in Electronics and Electrical Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Electronics and Electrical Engineering in 2026. The highlighted bar marks where Robert H. Hadfield sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 53 bars. Horizontal axis: publications, 34–53 to 1,065+. Vertical axis: number of scientists, 0 to 445. Most scientists, 445, have 174–193 publications. The last bar groups every scientist with 1,065 publications or more. The highlighted bar, 194–213 publications, is where this scientist sits. 34–53 publications: 24 scientists 54–73 publications: 52 scientists 74–93 publications: 114 scientists 94–113 publications: 203 scientists 114–133 publications: 269 scientists 134–153 publications: 355 scientists 154–173 publications: 403 scientists 174–193 publications: 445 scientists 194–213 publications: 430 scientists 214–233 publications: 431 scientists 234–253 publications: 399 scientists 254–273 publications: 366 scientists 274–293 publications: 335 scientists 294–313 publications: 300 scientists 314–333 publications: 276 scientists 334–353 publications: 250 scientists 354–373 publications: 214 scientists 374–393 publications: 187 scientists 394–413 publications: 152 scientists 414–433 publications: 169 scientists 434–453 publications: 147 scientists 454–473 publications: 111 scientists 474–493 publications: 117 scientists 494–513 publications: 103 scientists 514–533 publications: 99 scientists 534–553 publications: 92 scientists 554–573 publications: 75 scientists 574–593 publications: 58 scientists 594–613 publications: 69 scientists 614–633 publications: 50 scientists 634–653 publications: 62 scientists 654–673 publications: 54 scientists 674–693 publications: 44 scientists 694–713 publications: 37 scientists 714–733 publications: 28 scientists 734–753 publications: 26 scientists 754–773 publications: 26 scientists 774–793 publications: 19 scientists 794–813 publications: 23 scientists 814–833 publications: 20 scientists 834–853 publications: 16 scientists 854–873 publications: 20 scientists 874–893 publications: 11 scientists 894–913 publications: 11 scientists 914–933 publications: 16 scientists 934–953 publications: 13 scientists 954–973 publications: 10 scientists 974–993 publications: 11 scientists 994–1,013 publications: 9 scientists 1,014–1,033 publications: 9 scientists 1,034–1,053 publications: 10 scientists 1,054–1,064 publications: 6 scientists 1,065+ publications: 99 scientists
34–53 publications 1,065+

This scientist: 204 publications — 30th percentile

30% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,065 publications or more.

View publications distribution as a table
Number of Electronics and Electrical Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
Publications Scientists This scientist
34–53 24
54–73 52
74–93 114
94–113 203
114–133 269
134–153 355
154–173 403
174–193 445
194–213 430 204
214–233 431
234–253 399
254–273 366
274–293 335
294–313 300
314–333 276
334–353 250
354–373 214
374–393 187
394–413 152
414–433 169
434–453 147
454–473 111
474–493 117
494–513 103
514–533 99
534–553 92
554–573 75
574–593 58
594–613 69
614–633 50
634–653 62
654–673 54
674–693 44
694–713 37
714–733 28
734–753 26
754–773 26
774–793 19
794–813 23
814–833 20
834–853 16
854–873 20
874–893 11
894–913 11
914–933 16
934–953 13
954–973 10
974–993 11
994–1,013 9
1,014–1,033 9
1,034–1,053 10
1,054–1,064 6
1,065+ 99
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Robert H. Hadfield D-index placement in Electronics and Electrical Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Electronics and Electrical Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Robert H. Hadfield sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 82 bars. Horizontal axis: D-Index, 30 to 111+. Vertical axis: number of scientists, 0 to 263. Most scientists, 263, have 32 D-Index. The last bar groups every scientist with 111 D-Index or more. The highlighted bar, 55 D-Index, is where this scientist sits. 30 D-Index: 178 scientists 31 D-Index: 257 scientists 32 D-Index: 263 scientists 33 D-Index: 262 scientists 34 D-Index: 244 scientists 35 D-Index: 236 scientists 36 D-Index: 211 scientists 37 D-Index: 220 scientists 38 D-Index: 214 scientists 39 D-Index: 214 scientists 40 D-Index: 205 scientists 41 D-Index: 187 scientists 42 D-Index: 194 scientists 43 D-Index: 201 scientists 44 D-Index: 155 scientists 45 D-Index: 189 scientists 46 D-Index: 148 scientists 47 D-Index: 160 scientists 48 D-Index: 134 scientists 49 D-Index: 130 scientists 50 D-Index: 141 scientists 51 D-Index: 156 scientists 52 D-Index: 108 scientists 53 D-Index: 130 scientists 54 D-Index: 112 scientists 55 D-Index: 97 scientists 56 D-Index: 111 scientists 57 D-Index: 102 scientists 58 D-Index: 108 scientists 59 D-Index: 120 scientists 60 D-Index: 103 scientists 61 D-Index: 93 scientists 62 D-Index: 92 scientists 63 D-Index: 74 scientists 64 D-Index: 77 scientists 65 D-Index: 73 scientists 66 D-Index: 64 scientists 67 D-Index: 69 scientists 68 D-Index: 60 scientists 69 D-Index: 39 scientists 70 D-Index: 57 scientists 71 D-Index: 59 scientists 72 D-Index: 46 scientists 73 D-Index: 49 scientists 74 D-Index: 38 scientists 75 D-Index: 35 scientists 76 D-Index: 32 scientists 77 D-Index: 35 scientists 78 D-Index: 31 scientists 79 D-Index: 22 scientists 80 D-Index: 34 scientists 81 D-Index: 31 scientists 82 D-Index: 34 scientists 83 D-Index: 23 scientists 84 D-Index: 18 scientists 85 D-Index: 30 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 20 scientists 89 D-Index: 8 scientists 90 D-Index: 17 scientists 91 D-Index: 7 scientists 92 D-Index: 14 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 12 scientists 97 D-Index: 10 scientists 98 D-Index: 10 scientists 99 D-Index: 12 scientists 100 D-Index: 16 scientists 101 D-Index: 5 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 8 scientists 105 D-Index: 9 scientists 106 D-Index: 13 scientists 107 D-Index: 4 scientists 108 D-Index: 5 scientists 109 D-Index: 10 scientists 110 D-Index: 8 scientists 111+ D-Index: 96 scientists
30 D-Index 111+

This scientist: 55 D-Index — 69th percentile

69% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 111 D-Index or more.

View D-Index distribution as a table
Number of Electronics and Electrical Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
D-Index Scientists This scientist
30 178
31 257
32 263
33 262
34 244
35 236
36 211
37 220
38 214
39 214
40 205
41 187
42 194
43 201
44 155
45 189
46 148
47 160
48 134
49 130
50 141
51 156
52 108
53 130
54 112
55 97 55
56 111
57 102
58 108
59 120
60 103
61 93
62 92
63 74
64 77
65 73
66 64
67 69
68 60
69 39
70 57
71 59
72 46
73 49
74 38
75 35
76 32
77 35
78 31
79 22
80 34
81 31
82 34
83 23
84 18
85 30
86 19
87 19
88 20
89 8
90 17
91 7
92 14
93 9
94 15
95 10
96 12
97 10
98 10
99 12
100 16
101 5
102 7
103 7
104 8
105 9
106 13
107 4
108 5
109 10
110 8
111+ 96
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Research.com Recognitions

  • 2019 - Fellow of the Royal Society of Edinburgh
  • 2017 - OSA Fellows Robert H. Hadfield University of Glasgow, United Kingdom “for pioneering contributions in the development of infrared superconducting single-photon detectors and advanced photon-counting applications” (Engineering and Science Research)

Overview

Robert H. Hadfield is affiliated with the University of Glasgow in the United Kingdom. Their research spans multiple fields, primarily Physics and Astronomy and Engineering, with substantial contributions in related subfields including Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics. Additional areas of work include Artificial Intelligence, Biomedical Engineering, and Instrumentation.

The scientist's research topics cover a diverse range of subjects such as Quantum Information and Cryptography, Photonic and Optical Devices, Advanced Optical Sensing Technologies, Advanced Fluorescence Microscopy Techniques, Semiconductor Materials and Devices, Semiconductor Quantum Structures and Devices, and the Physics of Superconductivity and Magnetism.

Recent publications include:

  • Single-photon detection for long-range imaging and sensing (2023) in Optica
  • Two-photon quantum interference and entanglement at 2.1 μm (2020) in Science Advances
  • Superconducting photon detectors (2021) in Contemporary Physics
  • Two-dimensional cuprate nanodetector with single telecom photon sensitivity at T = 20 K (2023) in 2D Materials
  • Brain-inspired nanophotonic spike computing: challenges and prospects (2023) in Neuromorphic Computing and Engineering

Frequent collaborators include D. Morozov, Gregor G. Taylor, Ciaran T. Lennon, Timothy C. Zhu, and Adetunmise C. Dada. These partnerships reflect ongoing collaborative efforts in their research areas.

Publication venues with multiple works are:

  • arXiv (Cornell University)
  • Applied Physics Letters
  • Photodiagnosis and Photodynamic Therapy
  • Optica
  • Antioxidants

Recognition for their contributions includes election as a Fellow of the Royal Society of Edinburgh in 2019. In 2017, they were named an OSA Fellow for pioneering contributions in the development of infrared superconducting single-photon detectors and advanced photon-counting applications.

Best Publications

  • Single-photon detectors for optical quantum information applications

    Robert H. Hadfield

  • Superconducting nanowire single-photon detectors: physics and applications

    Chandra M Natarajan;Chandra M Natarajan;Michael Geoffrey Tanner;Robert H Hadfield

  • Quantum key distribution over a 40-dB channel loss using superconducting single-photon detectors

    Hiroki Takesue;Sae Woo Nam;Qiang Zhang;Robert H. Hadfield;Robert H. Hadfield

  • Quantum-dot spin-photon entanglement via frequency downconversion to telecom wavelength

    Kristiaan De Greve;Kristiaan De Greve;Leo Yu;Peter L. McMahon;Jason S. Pelc

  • On-chip quantum interference between silicon photon-pair sources

    Joshua W. Silverstone;Damien Bonneau;Kazuya Ohira;Nob Suzuki

  • Kilometre-range, high resolution depth imaging using 1560 nm wavelength single-photon detection

    Aongus McCarthy;Nils J. Krichel;Nathan R. Gemmell;Ximing Ren

  • Single photon source characterization with a superconducting single photon detector

    Robert H. Hadfield;Martin J. Stevens;Steven S. Gruber;Aaron J. Miller

  • Photon pair generation in a silicon micro-ring resonator with reverse bias enhancement

    Erman Engin;Damien Bonneau;Chandra M Natarajan;Alex S Clark

  • Photon-sparse microscopy: Visible light imaging using infrared illumination

    Reuben S. Aspden;Nathan R Gemmell;Peter A. Morris;Daniel S Tasca

  • Singlet oxygen luminescence detection with a fiber-coupled superconducting nanowire single-photon detector

    Nathan R. Gemmell;Aongus McCarthy;Baochang Liu;Michael G. Tanner

  • Chip-to-chip quantum photonic interconnect by path-polarization interconversion

    Jianwei Wang;Damien Bonneau;Matteo Villa;Joshua W. Silverstone

  • Quantum key distribution at 1550 nm with twin superconducting single-photon detectors

    Robert H. Hadfield;Jonathan L. Habif;John Schlafer;Robert E. Schwall

  • Large sensitive-area NbN nanowire superconducting single-photon detectors fabricated on single-crystal MgO substrates

    Shigehito Miki;Mikio Fujiwara;Masahide Sasaki;Burm Baek

  • Photon-number-discriminating detection using a quantum-dot, optically gated, field-effect transistor

    Eric Gansen;Mary A. Rowe;M. Greene;Danna Rosenberg

  • Gallium arsenide (GaAs) quantum photonic waveguide circuits

    Jianwei Wang;Alberto Santamato;Pisu Jiang;Damien Bonneau

  • Photon Pair Generation in Silicon Micro-Ring Resonator with Reverse Bias Enhancement

    Erman Engin;Damien Bonneau;Chandra M. Natarajan;Alex Clark

  • Enhanced telecom wavelength single-photon detection with NbTiN superconducting nanowires on oxidized silicon

    M. G. Tanner;C. M. Natarajan;V. K. Pottapenjara;J. A. O’Connor

  • Subcentimeter depth resolution using a single-photon counting time-of-flight laser ranging system at 1550 nm wavelength

    Ryan E. Warburton;Aongus McCarthy;Andrew M. Wallace;Sergio Hernandez-Marin

  • Fast path and polarization manipulation of telecom wavelength single photons in lithium niobate waveguide devices

    Damien Bonneau;Mirko Lobino;Pisu Jiang;Chandra M. Natarajan

  • Long-distance entanglement-based quantum key distribution over optical fiber.

    Toshimori Honjo;Sae Woo Nam;Hiroki Takesue;Qiang Zhang

  • Chip-based Quantum Key Distribution

    Philip Sibson;Chris Erven;Mark Godfrey;Shigehito Miki

Frequent Co-Authors

Sae Woo Nam
Sae Woo Nam National Institute of Standards and Technology
Shigehito Miki
Shigehito Miki National Institute of Information and Communications Technology
Jeremy L. O'Brien
Jeremy L. O'Brien University of Bristol
Mark G. Thompson
Mark G. Thompson University of Bristol
Gerald S. Buller
Gerald S. Buller Heriot-Watt University
Mikio Fujiwara
Mikio Fujiwara National Institute of Information and Communications Technology
Taro Yamashita
Taro Yamashita Tohoku University
Masahide Sasaki
Masahide Sasaki National Institute of Information and Communications Technology
Yoshihisa Yamamoto
Yoshihisa Yamamoto Stanford University
Richard P. Mirin
Richard P. Mirin National Institute of Standards and Technology

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