World's Best Scientists 2026 revealed!

D-Index & Metrics

Electronics and Electrical Engineering

D-Index
35
Citations
6886
World Ranking
5478
National Ranking
233

Yasuo Kokubun 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 Yasuo Kokubun sits on this spectrum.

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 publications 1,065+

This scientist: 326 publications — 63rd percentile

63% of scientists in this discipline score the same or lower.

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

Yasuo Kokubun 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 Yasuo Kokubun sits on this spectrum.

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: 35 D-Index — 21st percentile

21% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2010 - IEEE Fellow For contributions to integrated photonic devices

Overview

Yasuo Kokubun is affiliated with Yokohama National University in Japan, focusing primarily on engineering, specifically within electrical and electronic engineering. Their research encompasses a broad spectrum of topics related to optical and photonic devices as well as advanced network technologies.

The main topics covered in their work include:

  • Optical Network Technologies
  • Semiconductor Lasers and Optical Devices
  • Photonic and Optical Devices
  • Advanced Optical Network Technologies
  • Advanced Photonic Communication Systems
  • Neural Networks and Reservoir Computing
  • Advanced Fiber Optic Sensors

Their publication record illustrates a focus on optical fibers, photonic devices, and optical communication systems. Frequently appearing in the journal IEICE Electronics Express, they have also published in the Japanese Journal of Applied Physics and the Journal of Lightwave Technology.

Recent publications include:

  • "Behavior of intercore crosstalk in square-layout uncoupled four-core fibers," 2022, IEICE Electronics Express
  • "Predictable and unpredictable phenomena in optical fibers for space-division/mode-division multiplexing transmission: statistical analysis of coupling and mysterious behavior of modes," 2020, IEICE Electronics Express
  • "Proposal of ultra-low voltage quantum well optical modulator for optical interconnection in superconducting integrated circuit systems," 2020, Japanese Journal of Applied Physics
  • "Switchable All-Optical Flip-Flop and Inverter Operations in Quantum Well Microring Laser," 2020, Journal of Lightwave Technology
  • "Erratum: Predictable and unpredictable phenomena in optical fibers for space-division/mode-division multiplexing transmission: statistical analysis of coupling and mysterious behavior of modes," 2020, IEICE Electronics Express

Collaborations are notable with several co-authors appearing multiple times alongside Kokubun, including Masanori Koshiba, Taro Arakawa, Mao Yamauchi, Shoichiro Matsuo, and Mayu Nakagawa. These collaborations likely contribute to the multidisciplinary nature of their research in photonics and optical communication.

Their work spans publication venues such as:

  • IEICE Electronics Express
  • Japanese Journal of Applied Physics
  • Journal of Lightwave Technology
  • Extended Abstracts of the 2020 International Conference on Solid State Devices and Materials

In 2010, Yasuo Kokubun was named an IEEE Fellow for contributions to integrated photonic devices, recognizing their role within the engineering and photonics communities. This designation reflects involvement in advancing integrated photonic device technologies and related optical communication systems.

Best Publications

  • Antiresonant reflecting optical waveguides in SiO2‐Si multilayer structures

    M. A. Duguay;Y. Kokubun;T. L. Koch;Loren Pfeiffer

  • An eight-channel add-drop filter using vertically coupled microring resonators over a cross grid

    S.T. Chu;B.E. Little;W. Pan;T. Kaneko

  • Heterogeneous multi-core fibers: proposal and design principle

    Masanori Koshiba;Kunimasa Saitoh;Yasuo Kokubun

  • Vertically coupled glass microring resonator channel dropping filters

    B.E. Little;S.T. Chu;W. Pan;D. Ripin

  • Microring resonator arrays for VLSI photonics

    B.E. Little;S.T. Chu;W. Pan;Y. Kokubun

  • Stacked planar optics: an application of the planar microlens

    Kenichi Iga;Masahiro Oikawa;S. Misawa;Junichi Banno

  • Box-like filter response and expansion of FSR by a vertically triple coupled microring resonator filter

    Y. Yanagase;S. Suzuki;Y. Kokubun;Sai Tak Chu

  • Fabrication technologies for vertically coupled microring resonator with multilevel crossing busline and ultracompact-ring radius

    Y. Kokubun;Y. Hatakeyama;M. Ogata;S. Suzuki

  • Second-order filter response from parallel coupled glass microring resonators

    Sai Tak Chu;B.E. Little;Wugen Pan;T. Kaneko

  • Dispersion and radiation loss characteristics of antiresonant reflecting optical waveguides-numerical results and analytical expressions

    T. Baba;Y. Kokubun

  • Realizing a 36-core, 3-mode fiber with 108 spatial channels

    J. Sakaguchi;W. Klaus;J.-M. D. Mendinueta;B.J. Puttnam

  • Vertically coupled optical resonator devices over a cross-grid waveguide architecture

    Brent E. Little;Wugen Pan;Yasuo Kokubun;Sai T. Chu

  • Athermal waveguides for temperature-independent lightwave devices

    Y. Kokubun;N. Funato;M. Takizawa

  • Wavelength trimming of a microring resonator filter by means of a UV sensitive polymer overlay

    S.T. Chu;W. Pan;S. Sato;T. Kaneko

  • Novel multi-core fibers for mode division multiplexing : proposal and design principle

    Yasuo Kokubun;Masanori Koshiba

  • Cascaded microring resonators for crosstalk reduction and spectrum cleanup in add-drop filters

    Sai Tak Chu;B.E. Little;Wugen Pan;T. Kaneko

  • Large Spatial Channel (36-Core × 3 mode) Heterogeneous Few-Mode Multicore Fiber

    Jun Sakaguchi;Werner Klaus;Jose Manuel Delgado Mendinueta;Benjamin James Puttnam

  • Precise control of wavelength channel spacing of microring resonator add-drop filter array

    S. Suzuki;Y. Hatakeyama;Y. Kokubun;Sai Tak Chu

  • A wavelength-selective add-drop switch using silicon microring resonator with a submicron-comb electrostatic actuator

    Kazunori Takahashi;Yoshiaki Kanamori;Yasuo Kokubun;Kazuhiro Hane

  • Temperature-independent optical filter at 1.55 [micro sign]m wavelength using a silica-based athermal waveguide

    Y. Kokubun;S. Yoneda;S. Matsuura

  • Fast and stable wavelength-selective switch using double-series coupled dielectric microring resonator

    Y. Goebuchi;T. Kato;Y. Kokubun

Frequent Co-Authors

Sai T. Chu
Sai T. Chu City University of Hong Kong
Kenichi Iga
Kenichi Iga Tokyo Institute of Technology
Toshihiko Baba
Toshihiko Baba Yokohama National University
Brent E. Little
Brent E. Little University of Chinese Academy of Sciences
Masanori Koshiba
Masanori Koshiba Hokkaido University
Shoichiro Matsuo
Shoichiro Matsuo Fujikura (Japan)
Nobuyuki Yoshikawa
Nobuyuki Yoshikawa Yokohama National University
Naoya Wada
Naoya Wada National Institute of Information and Communications Technology
Naoki Kobayashi
Naoki Kobayashi University of Electro-Communications

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