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Kazuhide Nakajima

Kazuhide Nakajima

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 32 6350 6098 271 256 406 4032

Kazuhide Nakajima publications per year

The chart shows the history of publications by Kazuhide Nakajima between 1993 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kazuhide Nakajima published across 34 years, from 1993 to 2026, averaging 13.1 papers a year. Output peaked at 53 publications in 2017. 21 of the 446 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 1993 to 2026. Vertical axis: number of publications, 0 to 53. Peak 53 publications in 2017. 1993: 1 publication 1994: 1 publication 1995: 1 publication 1996: 1 publication 1997: 3 publications 1998: 3 publications 1999: 5 publications 2000: 1 publication 2001: 6 publications 2002: 5 publications 2003: 4 publications 2004: 10 publications 2005: 10 publications 2006: 14 publications 2007: 13 publications 2008: 11 publications 2009: 9 publications 2010: 7 publications 2011: 12 publications 2012: 8 publications 2013: 7 publications 2014: 9 publications 2015: 14 publications 2016: 24 publications 2017: 53 publications 2018: 36 publications 2019: 38 publications 2020: 24 publications 2021: 16 publications 2022: 24 publications 2023: 33 publications 2024: 22 publications 2025: 20 publications 2026: 1 publication
1993 2026

446 publications in total across all disciplines

View publications per year as a table
Kazuhide Nakajima: publications per year, 1993 to 2026
Year Publications
1993 1
1994 1
1995 1
1996 1
1997 3
1998 3
1999 5
2000 1
2001 6
2002 5
2003 4
2004 10
2005 10
2006 14
2007 13
2008 11
2009 9
2010 7
2011 12
2012 8
2013 7
2014 9
2015 14
2016 24
2017 53
2018 36
2019 38
2020 24
2021 16
2022 24
2023 33
2024 22
2025 20
2026 1
Total 446
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Kazuhide Nakajima 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 Kazuhide Nakajima 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, 394–413 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: 406 publications — 75th percentile

75% 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
334–353 250
354–373 214
374–393 187
394–413 152 406
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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Kazuhide Nakajima 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 Kazuhide Nakajima 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, 32 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: 32 D-Index — 10th percentile

10% 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 32
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
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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Overview

Kazuhide Nakajima is affiliated with NTT in Japan and has a research focus primarily in the field of engineering, with a strong emphasis on electrical and electronic engineering. Their work extensively covers topics related to optical and photonic communication systems, reflecting expertise in both theoretical and applied aspects of these domains.

The scientist's research subjects span several key areas:

  • Optical Network Technologies
  • Advanced Photonic Communication Systems
  • Advanced Optical Network Technologies
  • Photonic Crystal and Fiber Optics
  • Semiconductor Lasers and Optical Devices
  • Photonic and Optical Devices
  • Advanced Fiber Optic Sensors

Kazuhide Nakajima has published extensively in notable venues, including:

  • Journal of Lightwave Technology
  • NTT technical review
  • Proceedings of the IEEE
  • IET conference proceedings
  • Optical Fiber Technology

Among recent papers authored or co-authored by them are:

  • "The Role of Parallelism in the Evolution of Optical Fiber Communication Systems," 2022, Proceedings of the IEEE
  • "Design and Applicability of Multi-Core Fibers With Standard Cladding Diameter," 2020, Journal of Lightwave Technology
  • "Weakly Coupled Multicore Fiber Technology, Deployment, and Systems," 2022, Proceedings of the IEEE
  • "High Spatial Density 6-Mode 7-Core Fiber Amplifier for L-Band Operation," 2020, Journal of Lightwave Technology
  • "Spatial Density and Splicing Characteristic Optimized Few-Mode Multi-Core Fiber," 2020, Journal of Lightwave Technology

Frequent collaborators of Kazuhide Nakajima include:

  • Taiji Sakamoto
  • Takashi Matsui
  • Takayoshi Mori
  • Kunimasa Saitoh
  • Ryota Imada

Their publication record features over two hundred works in engineering, with nearly two hundred focused on electrical and electronic engineering. This extensive body of work highlights sustained contributions to the development and understanding of optical network technologies and related photonic systems.

Best Publications

  • Dispersion-flattened photonic crystal fiber with large effective area and low confinement loss

    T. Matsui;Jian Zhou;K. Nakajima;I. Sankawa

  • Ultra low loss and long length photonic crystal fiber

    K. Tajima;Jian Zhou;K. Nakajima;K. Sato

  • High-Spatial-Multiplicity Multicore Fibers for Future Dense Space-Division-Multiplexing Systems

    Shoichiro Matsuo;Katsuhiro Takenaga;Yusuke Sasaki;Yoshimichi Amma

  • Hole-assisted fiber design for small bending and splice losses

    K. Nakajima;K. Hogari;Jian Zhou;K. Tajima

  • The Role of Parallelism in the Evolution of Optical Fiber Communication Systems

    Unknown

  • Dopant dependence of effective nonlinear refractive index in GeO 2 - and F-doped core single-mode fibers

    K. Nakajima;M. Ohashi

  • Evaluation methods and requirements for the stimulated Brillouin scattering threshold in a single-mode fiber

    Tomoya Shimizu;Kazuhide Nakajima;Kazuyuki Shiraki;Koji Ieda

  • Dispersion Compensation Over All the Telecommunication Bands With Double-Cladding Photonic-Crystal Fiber

    T. Matsui;K. Nakajima;I. Sankawa

  • Low-loss and Low-DMD few-mode multi-core fiber with highest core multiplicity factor

    T. Sakamoto;T. Matsui;K. Saitoh;S. Saitoh

  • Progress on low loss photonic crystal fibers

    Jian Zhou;Katsusuke Tajima;Kazuhide Nakajima;Kenji Kurokawa

  • Single mode optical fiber with vacancies

    Kazuo Hogari;Kazuhide Nakajima;Izumi Sankawa;Katsusuke Tajima

  • Suppression of Fiber Fuse Propagation in Hole Assisted Fiber and Photonic Crystal Fiber

    Nobutomo Hanzawa;Kenji Kurokawa;Kyozo Tsujikawa;Takashi Matsui

  • Ultrawide-band single-mode transmission performance in a low-loss photonic crystal fiber

    K. Nakajima;Jian Zhou;K. Tajima;K. Kurokawa

  • Design and Applicability of Multi-Core Fibers With Standard Cladding Diameter

    Takashi Matsui;Yuto Sagae;Taiji Sakamoto;Kazuhide Nakajima

  • Transmission media for an SDM-based optical communication system

    Kazuhide Nakajima;Pierre Sillard;David Richardson;Ming-Jun Li

  • 118.5 Tbit/s transmission over 316 km-long multi-core fiber with standard cladding diameter

    T. Matsui;T. Kobayashi;H. Kawahara;E. L. T. de Gabory

  • Fiber Twisting- and Bending-Induced Adiabatic/Nonadiabatic Super-Mode Transition in Coupled Multicore Fiber

    Taiji Sakamoto;Takayoshi Mori;Masaki Wada;Takashi Yamamoto

  • PLC-based mode multi/demultiplexers for mode division multiplexing

    Kunimasa Saitoh;Nobutomo Hanzawa;Taiji Sakamoto;Takeshi Fujisawa

  • Weakly Coupled Multicore Fiber Technology, Deployment, and Systems

    Unknown

  • Six-Mode Seven-Core Fiber for Repeated Dense Space-Division Multiplexing Transmission

    Taiji Sakamoto;Kunimasa Saitoh;Shota Saitoh;Kohki Shibahara

  • Low-Loss and Low-DMD 6-Mode 19-Core Fiber With Cladding Diameter of Less Than 250 μm

    Taiji Sakamoto;Takashi Matsui;Kunimasa Saitoh;Shota Saitoh

  • Design of 125 μm cladding multi-core fiber with full-band compatibility to conventional single-mode fiber

    Takashi Matsui;Taiji Sakamoto;Yukihiro Goto;Kotaro Saito

Frequent Co-Authors

Kunimasa Saitoh
Kunimasa Saitoh Hokkaido University
Takeshi Fujisawa
Takeshi Fujisawa Hokkaido University
Shoichiro Matsuo
Shoichiro Matsuo Fujikura (Japan)
Katsuhiro Takenaga
Katsuhiro Takenaga Fujikura (United States)
Yutaka Miyamoto
Yutaka Miyamoto Harvard University
Shinji Matsuo
Shinji Matsuo NTT (Japan)
David J. Richardson
David J. Richardson Microsoft (United States)
Yongmin Jung
Yongmin Jung University of Southampton
Hidehiko Takara
Hidehiko Takara NTT (Japan)
Takahide Sakamoto
Takahide Sakamoto Tokyo Metropolitan University

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