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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Engineering and Technology 41 6935 6693 143 137 299 7139

Akira Shirakawa publications per year

The chart shows the history of publications by Akira Shirakawa between 1995 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Akira Shirakawa published across 30 years, from 1995 to 2024, averaging 11.3 papers a year. Output peaked at 40 publications in 2005. 2 of the 338 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1995 to 2024. Vertical axis: number of publications, 0 to 40. Peak 40 publications in 2005. 1995: 2 publications 1996: 1 publication 1997: 2 publications 1998: 4 publications 1999: 4 publications 2000: 4 publications 2001: 2 publications 2002: 8 publications 2003: 14 publications 2004: 24 publications 2005: 40 publications 2006: 25 publications 2007: 27 publications 2008: 20 publications 2009: 19 publications 2010: 13 publications 2011: 16 publications 2012: 14 publications 2013: 22 publications 2014: 19 publications 2015: 13 publications 2016: 6 publications 2017: 16 publications 2018: 7 publications 2019: 5 publications 2020: 4 publications 2021: 5 publications 2022: 0 publications 2023: 1 publication 2024: 1 publication
1995 2024

338 publications in total across all disciplines

View publications per year as a table
Akira Shirakawa: publications per year, 1995 to 2024
Year Publications
1995 2
1996 1
1997 2
1998 4
1999 4
2000 4
2001 2
2002 8
2003 14
2004 24
2005 40
2006 25
2007 27
2008 20
2009 19
2010 13
2011 16
2012 14
2013 22
2014 19
2015 13
2016 6
2017 16
2018 7
2019 5
2020 4
2021 5
2022 0
2023 1
2024 1
Total 338
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Akira Shirakawa publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Akira Shirakawa sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 78 bars. Horizontal axis: publications, 38–47 to 804+. Vertical axis: number of scientists, 0 to 457. Most scientists, 457, have 148–157 publications. The last bar groups every scientist with 804 publications or more. The highlighted bar, 298–307 publications, is where this scientist sits. 38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38–47 publications 804+

This scientist: 299 publications — 76th percentile

76% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

View publications distribution as a table
Number of Engineering and Technology scientists by publication count, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
Publications Scientists This scientist
38–47 20
48–57 35
58–67 96
68–77 135
78–87 190
88–97 259
98–107 283
108–117 369
118–127 341
128–137 386
138–147 372
148–157 457
158–167 415
168–177 407
178–187 421
188–197 378
198–207 403
208–217 317
218–227 346
228–237 321
238–247 260
248–257 280
258–267 240
268–277 214
278–287 242
288–297 203
298–307 166 299
308–317 154
318–327 175
328–337 159
338–347 99
348–357 131
358–367 106
368–377 118
378–387 97
388–397 108
398–407 82
408–417 71
418–427 64
428–437 55
438–447 54
448–457 60
458–467 47
468–477 40
478–487 30
488–497 29
498–507 38
508–517 40
518–527 32
528–537 23
538–547 28
548–557 23
558–567 19
568–577 16
578–587 17
588–597 18
598–607 22
608–617 15
618–627 9
628–637 11
638–647 21
648–657 12
658–667 9
668–677 11
678–687 9
688–697 6
698–707 14
708–717 7
718–727 8
728–737 10
738–747 9
748–757 5
758–767 5
768–777 11
778–787 7
788–797 2
798–803 4
804+ 100
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Akira Shirakawa D-index placement in Engineering and Technology in 2026

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

No. of scientists
100 200 300 400
Bar chart with 78 bars. Horizontal axis: D-Index, 30 to 107+. Vertical axis: number of scientists, 0 to 426. Most scientists, 426, have 42 D-Index. The last bar groups every scientist with 107 D-Index or more. The highlighted bar, 41 D-Index, is where this scientist sits. 30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 41 D-Index — 31st percentile

31% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

View D-Index distribution as a table
Number of Engineering and Technology scientists by D-index, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
D-Index Scientists This scientist
30 59
31 114
32 129
33 189
34 200
35 262
36 311
37 312
38 350
39 385
40 348
41 362 41
42 426
43 380
44 310
45 341
46 301
47 306
48 271
49 246
50 210
51 253
52 213
53 221
54 195
55 186
56 170
57 167
58 166
59 144
60 152
61 141
62 138
63 131
64 118
65 114
66 119
67 95
68 87
69 77
70 89
71 69
72 54
73 46
74 55
75 54
76 49
77 53
78 46
79 28
80 39
81 36
82 24
83 26
84 36
85 18
86 25
87 19
88 26
89 27
90 23
91 15
92 12
93 9
94 15
95 10
96 13
97 13
98 9
99 7
100 7
101 8
102 7
103 7
104 9
105 6
106 9
107+ 99
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Overview

Akira Shirakawa is affiliated with the University of Electro-Communications in Japan. Their research primarily spans the fields of Physics and Astronomy as well as Engineering, with a focus on several specialized subfields and topics.

The main subfields of study associated with their work include:

  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering
  • Aerospace Engineering
  • Computational Mechanics

The primary topics covered in their research consist of:

  • Advanced Fiber Laser Technologies
  • Photonic Crystal and Fiber Optics
  • Laser-Matter Interactions and Applications
  • Adaptive optics and wavefront sensing
  • Photonic and Optical Devices
  • Orbital Angular Momentum in Optics
  • Fluid Dynamics and Turbulent Flows

Shirakawa has contributed publications to a number of venues, including:

  • Conference on Lasers and Electro-Optics
  • Journal of Physics Photonics
  • Optics Express
  • JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES

Selected recent papers authored by Shirakawa include:

  • "Deep reinforcement learning for tiled aperture beam combining in a simulated environment," 2020, Journal of Physics Photonics
  • "Phase-locked and mode-locked multicore photonic crystal fiber laser with a saturable absorber," 2021, Optics Express
  • "Tiled Aperture Beam Combining with Reinforcement Learning," 2020, Conference on Lasers and Electro-Optics
  • "Aerodynamic Characteristics of Airfoil with Thin Leading-Edge at Low Reynolds Numbers," 2020, JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES
  • "Phase-locked and mode-locked multicore photonic crystal fiber laser with saturable absorber," 2021, Conference on Lasers and Electro-Optics

Frequent collaborators in their publications include:

  • Henrik Tünnermann
  • Tomonari Kawamura
  • Kazuya Saito
  • Masato Okamoto

Best Publications

  • Sub-5-fs visible pulse generation by pulse-front-matched noncollinear optical parametric amplification

    A. Shirakawa;I. Sakane;M. Takasaka;T. Kobayashi

  • Coherent addition of fiber lasers by use of a fiber coupler.

    Akira Shirakawa;Tomoharu Saitou;Tomoki Sekiguchi;Ken-ichi Ueda

  • Pulse-front-matched optical parametric amplification for sub-10-fs pulse generation tunable in the visible and near infrared

    Akira Shirakawa;Isao Sakane;Takayoshi Kobayashi

  • Promising ceramic laser material: Highly transparent Nd3+:Lu2O3 ceramic

    J. Lu;K. Takaichi;T. Uematsu;A. Shirakawa

  • Noncollinearly phase-matched femtosecond optical parametric amplification with a 2000 cm -1 bandwidth

    Akira Shirakawa;Takayoshi Kobayashi

  • Yb3+:Y2O3 Ceramics – a Novel Solid-State Laser Material

    Jianren Lu;Kazunori Takaichi;Tomohiro Uematsu;Akira Shirakawa

  • Diode-pumped mode-locked Yb3+:Y2O3 ceramic laser.

    A. Shirakawa;K. Takaichi;H. Yagi;J. F. Bisson

  • Composite Yb:YAG/Cr 4+ :YAG ceramics picosecond microchip lasers

    Jun Dong;Ken-ichi Ueda;Akira Shirakawa;Hideki Yagi

  • High-power Yb-doped photonic bandgap fiber amplifier at 1150-1200 nm.

    A. Shirakawa;H. Maruyama;K. Ueda;C. B. Olausson

  • Laser-diode pumped heavy-doped Yb : YAG ceramic lasers

    Jun Dong;Akira Shirakawa;Ken-ichi Ueda;Hideki Yagi

  • Diode-pumped ultrashort-pulse generation based on Yb(3+):Sc(2)O(3) and Yb(3+):Y(2)O(3) ceramic multi-gain-media oscillator.

    Masaki Tokurakawa;Akira Shirakawa;Ken-ichi Ueda;Hideki Yagi

  • Highly efficient continuous-wave operation at 1030 and 1075 nm wavelengths of LD-pumped Yb3+:Y2O3 ceramic lasers

    Kazunori Takaichi;Hideki Yagi;Jianren Lu;Jean-Francois Bisson

  • Efficient Yb3+:Y3Al5O12 ceramic microchip lasers

    Jun Dong;Akira Shirakawa;Ken-ichi Ueda;Hideki Yagi

  • Lu2O3:Yb3+ ceramics – a novel gain material for high-power solid-state lasers

    K. Takaichi;H. Yagi;A. Shirakawa;K. Ueda

  • Real-time vibrational mode-coupling associated with ultrafast geometrical relaxation in polydiacetylene induced by sub-5-fs pulses

    Takayoshi Kobayashi;Akira Shirakawa;Hiroshi Matsuzawa;Hachiro Nakanishi

  • Tunable visible and near-infrared pulse generator in a 5 fs regime

    T. Kobayashi;A. Shirakawa

  • Yb3+-doped Y3Al5O12 ceramics – A new solid-state laser material

    K. Takaichi;H. Yagi;J. Lu;A. Shirakawa

  • Generation of radially polarized mode in Yb fiber laser by using a dual conical prism

    Jian-lang Li;Ken-ichi Ueda;Mitsuru Musha;Akira Shirakawa

  • Diode-pumped 65 fs Kerr-lens mode-locked Yb(3+):Lu(2)O(3) and nondoped Y(2)O(3) combined ceramic laser.

    Masaki Tokurakawa;Akira Shirakawa;Ken-ichi Ueda;Hideki Yagi

  • Diode-pumped mode-locked Yb(3+):Lu(2)O(3) ceramic laser.

    M. Tokurakawa;K. Takaichi;A. Shirakawa;K. Ueda

  • Laguerre-Gaussian modes selection in diode-pumped solid-state lasers

    Yury Senatsky;Jean-François Bisson;Jianlang Li;Akira Shirakawa

  • Diode-pumped sub-100 fs Kerr-lens mode-locked Yb3+:Sc2O3 ceramic laser.

    Masaki Tokurakawa;Akira Shirakawa;Ken-ichi Ueda;Hideki Yagi

  • 167 W, power scalable ytterbium-doped photonic bandgap fiber amplifier at 1178nm

    C. B. Olausson;A. Shirakawa;M. Chen;J. K. Lyngsø

  • Limits of coherent addition of lasers: simple estimate

    D. Kouznetsov;J. Bisson;A. Shirakawa;K. Ueda

  • Efficient excitations of radially and azimuthally polarized Nd^3+:YAG ceramic microchip laser by use of subwavelength multilayer concentric gratings composed of Nb_2O_5/SiO_2

    Jian-Lang Li;Ken-ichi Ueda;Lan-xiang Zhong;Mitsuru Musha

Frequent Co-Authors

Ken-ichi Ueda
Ken-ichi Ueda University of Electro-Communications
A. A. Kaminskii
A. A. Kaminskii Russian Academy of Sciences
Hideki Yagi
Hideki Yagi University of Electro-Communications
Jes Broeng
Jes Broeng Technical University of Denmark
Jerzy Hanuza
Jerzy Hanuza Polish Academy of Sciences
Johan Nilsson
Johan Nilsson University of Southampton
Jayanta K. Sahu
Jayanta K. Sahu University of Southampton
Klaus Petermann
Klaus Petermann Technical University of Berlin
Dingyuan Tang
Dingyuan Tang Nanyang Technological University
Günter Huber
Günter Huber Universität Hamburg

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