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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 54 2277 2184 80 76 314 11602

Yasuharu Suematsu publications per year

The chart shows the history of publications by Yasuharu Suematsu between 1963 and 2022, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Yasuharu Suematsu published across 60 years, from 1963 to 2022, averaging 5.4 papers a year. Output peaked at 26 publications in 1981. 1 of the 322 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1963 to 2022. Vertical axis: number of publications, 0 to 26. Peak 26 publications in 1981. 1963: 2 publications 1964: 1 publication 1965: 0 publications 1966: 4 publications 1967: 2 publications 1968: 4 publications 1969: 2 publications 1970: 1 publication 1971: 1 publication 1972: 5 publications 1973: 6 publications 1974: 4 publications 1975: 8 publications 1976: 7 publications 1977: 12 publications 1978: 18 publications 1979: 20 publications 1980: 19 publications 1981: 26 publications 1982: 17 publications 1983: 9 publications 1984: 17 publications 1985: 24 publications 1986: 14 publications 1987: 13 publications 1988: 17 publications 1989: 9 publications 1990: 9 publications 1991: 15 publications 1992: 10 publications 1993: 3 publications 1994: 3 publications 1995: 2 publications 1996: 1 publication 1997: 1 publication 1998: 0 publications 1999: 0 publications 2000: 2 publications 2001: 0 publications 2002: 0 publications 2003: 0 publications 2004: 1 publication 2005: 1 publication 2006: 1 publication 2007: 0 publications 2008: 2 publications 2009: 2 publications 2010: 3 publications 2011: 0 publications 2012: 0 publications 2013: 0 publications 2014: 1 publication 2015: 0 publications 2016: 1 publication 2017: 0 publications 2018: 1 publication 2019: 0 publications 2020: 0 publications 2021: 0 publications 2022: 1 publication
1963 2022

322 publications in total across all disciplines

View publications per year as a table
Yasuharu Suematsu: publications per year, 1963 to 2022
Year Publications
1963 2
1964 1
1965 0
1966 4
1967 2
1968 4
1969 2
1970 1
1971 1
1972 5
1973 6
1974 4
1975 8
1976 7
1977 12
1978 18
1979 20
1980 19
1981 26
1982 17
1983 9
1984 17
1985 24
1986 14
1987 13
1988 17
1989 9
1990 9
1991 15
1992 10
1993 3
1994 3
1995 2
1996 1
1997 1
1998 0
1999 0
2000 2
2001 0
2002 0
2003 0
2004 1
2005 1
2006 1
2007 0
2008 2
2009 2
2010 3
2011 0
2012 0
2013 0
2014 1
2015 0
2016 1
2017 0
2018 1
2019 0
2020 0
2021 0
2022 1
Total 322
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Yasuharu Suematsu 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 Yasuharu Suematsu 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, 314–333 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: 314 publications — 60th percentile

60% 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
214–233 431
234–253 399
254–273 366
274–293 335
294–313 300
314–333 276 314
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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Yasuharu Suematsu 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 Yasuharu Suematsu 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, 54 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: 54 D-Index — 68th percentile

68% 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 54
55 97
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

  • 1993 - Member of the National Academy of Engineering For contributions to the understanding and development of optical fibers, high performance semiconductor lasers, and integrated optoelectronics.
  • 1986 - IEEE David Sarnoff Award "For contributions to semiconductor lasers and integrated optics for optical fiber communications."
  • 1980 - IEEE Fellow For contributions to semiconductor lasers, integrated optical circuits, and optical waveguides.

Overview

Yasuharu Suematsu is affiliated with the Tokyo Institute of Technology in Japan. The research work primarily focuses on engineering with specific expertise in electrical and electronic engineering. Their research encompasses topics such as semiconductor lasers and optical devices, photonic and optical devices, and advanced fiber optic sensors.

Suematsu has contributed to scholarly publications in recognized venues, including the 2022 28th International Semiconductor Laser Conference (ISLC), where they presented their recent work.

  • Birth of Single-Mode Diode Laser at Minimal Loss Band (2022, 2022 28th International Semiconductor Laser Conference - ISLC)

Frequent co-authorship is not evident in the available data.

The scientist's awards include recognition from prominent engineering organizations, reflecting work in semiconductor lasers, integrated optics, and optical fiber communications.

  • Member of the National Academy of Engineering (1993) - For contributions to the understanding and development of optical fibers, high performance semiconductor lasers, and integrated optoelectronics.
  • IEEE David Sarnoff Award (1986) - For contributions to semiconductor lasers and integrated optics for optical fiber communications.
  • IEEE Fellow (1980) - For contributions to semiconductor lasers, integrated optical circuits, and optical waveguides.

These distinctions anchor the scientist's role within the research community, particularly in the domains of semiconductor lasers and optical communication technologies.

Best Publications

  • Gain and the threshold of three-dimensional quantum-box lasers

    M. Asada;Y. Miyamoto;Y. Suematsu

  • GaInAsP/InP surface emitting injection lasers.

    Haruhisa Soda;Ken-ichi Iga;Chiyuki Kitahara;Yasuharu Suematsu

  • Gain and intervalence band absorption in quantum-well lasers

    M. Asada;A. Kameyama;Y. Suematsu

  • Analysis of gain suppression in undoped injection lasers

    Minoru Yamada;Yasuharu Suematsu

  • Density-matrix theory of semiconductor lasers with relaxation broadening model-gain and gain-suppression in semiconductor lasers

    M. Asada;Y. Suematsu

  • The Temperature Dependence of the Efficiency and Threshold Current of In1-xGaxAsyP1-y Lasers Related to Intervalence Band Absorption

    Alfred R. Adams;Masahiro Asada;Yasuharu Suematsu;Shigehisa Arai

  • Theoretical Gain of Quantum-Well Wire Lasers

    Masahiro Asada;Yasuyuki Miyamoto;Yasuharu Suematsu

  • Noise properties of injection lasers due to reflected waves

    O. Hirota;Y. Suematsu

  • Dynamic single-mode semiconductor lasers with a distributed reflector

    Y. Suematsu;S. Arai;K. Kishino

  • 1.5 μm phase-shifted DFB lasers for single-mode operation

    K. Sekartedjo;N. Eda;K. Furuya;Y. Suematsu

  • Wavelength variation of 1.6 µm wavelength buried heterostructure GaInAsP/InP lasers due to direct modulation

    K. Kishino;S. Aoki;Y. Suematsu

  • Handbook of semiconductor lasers and photonic integrated circuits

    Yasuharu Suematsu;Alfred Rodney Adams

  • The temperature dependence of the threshold current of GaInAsP/InP DH lasers

    M. Asada;A. Adams;K. Stubkjaer;Y. Suematsu

  • Fundamental transverse electric field (TE0) mode selection for thin‐film asymmetric light guides

    Yasuharu Suematsu;Mitsuari Hakuta;Kazuhito Furuya;Kazuhiro Chiba

  • Threshold current density of GaInAsP/InP quantum-box lasers

    Y. Miyamoto;Y. Miyake;M. Asada;Y. Suematsu

  • 1.5-1.6 µm GaInAsP/InP dynamic-single-mode (DSM) lasers with distributed Bragg reflector

    F. Koyama;Y. Suematsu;S. Arai;T. Tawee

  • Reduction of resonancelike peak in direct modulation due to carrier diffusion in injection laser.

    Kazuhito Furuya;Yasuharu Suematsu;Tchanghee Hong

  • Analysis of dynamic spectral width of dynamic-single-mode (DSM) lasers and related transmission bandwidth of single-mode fibers

    F. Koyama;Y. Suematsu

  • Light Emission from Quantum-Box Structure by Current Injection

    Yasuyuki Miyamoto;Ming Cao;Yasushi Shingai;Kazuhito Furuya

  • A condition of single longitudinal mode operation in injection lasers with index-guiding structure

    M. Yamada;Y. Suematsu

Frequent Co-Authors

Shigehisa Arai
Shigehisa Arai Tokyo Institute of Technology
Fumio Koyama
Fumio Koyama Tokyo Institute of Technology
Masahiro Asada
Masahiro Asada Tokyo Institute of Technology
Minoru Asada
Minoru Asada Osaka University
Kenichi Iga
Kenichi Iga Tokyo Institute of Technology
Katsumi Kishino
Katsumi Kishino Sophia University

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