World's Best Scientists 2026 revealed!
Keiji Sasaki

Keiji Sasaki

D-Index & Metrics

Materials Science

D-Index
41
Citations
7089
World Ranking
12690
National Ranking
802

Engineering and Technology

D-Index
43
Citations
7948
World Ranking
6116
National Ranking
117

Keiji Sasaki 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 Keiji Sasaki sits on this spectrum.

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 publications 804+

This scientist: 310 publications — 78th percentile

78% of scientists in this discipline score the same or lower.

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

Keiji Sasaki 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 Keiji Sasaki sits on this spectrum.

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: 43 D-Index — 39th percentile

39% of scientists in this discipline score the same or lower.

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

Overview

Keiji Sasaki is affiliated with Hokkaido University in Japan. Their research spans multiple fields including Engineering, Materials Science, and Physics and Astronomy, with a focus on specific subfields such as Atomic and Molecular Physics, and Optics, Biomedical Engineering, Electronic, Optical and Magnetic Materials, Materials Chemistry, and Electrical and Electronic Engineering.

Their work covers a variety of scientific topics centered on plasmonics, optics, and nanomaterials. Major research topics include Plasmonic and Surface Plasmon Research, Orbital Angular Momentum in Optics, Gold and Silver Nanoparticles Synthesis and Applications, Quantum Dots Synthesis and Properties, Metamaterials and Metasurfaces Applications, Photoreceptor and Optogenetics Research, and Quantum Information and Cryptography.

Keiji Sasaki has published papers in several prominent scientific journals. Frequent publication venues are:

  • ACS Nano
  • The Journal of Physical Chemistry C
  • Nanophotonics
  • Science Advances
  • The Journal of Physical Chemistry Letters

Some of the recent published papers include:

  • Transfer of orbital angular momentum of light to plasmonic excitations in metamaterials, 2020, Science Advances
  • Optical selection and sorting of nanoparticles according to quantum mechanical properties, 2021, Science Advances
  • Plasmonic Manipulation-Controlled Chiral Crystallization of Sodium Chlorate, 2020, The Journal of Physical Chemistry Letters
  • Spin-Orbit Angular-Momentum Transfer from a Nanogap Surface Plasmon to a Trapped Nanodiamond, 2021, Nano Letters
  • Extrinsic Chirality by Interference between Two Plasmonic Modes on an Achiral Rectangular Nanostructure, 2021, ACS Nano

Throughout their career, Keiji Sasaki has collaborated frequently with several coauthors. These include:

  • Hiroaki Misawa
  • Hajime Ishihara
  • Tomoya Oshikiri
  • Teruki Sugiyama
  • Yuji Sunaba

Best Publications

  • Beating the Standard Quantum Limit with Four-Entangled Photons

    Tomohisa Nagata;Ryo Okamoto;Jeremy L. O'Brien;Keiji Sasaki

  • Pattern formation and flow control of fine particles by laser-scanning micromanipulation

    Keiji Sasaki;Masanori Koshioka;Hiroaki Misawa;Noboru Kitamura

  • Nanoparticle plasmon-assisted two-photon polymerization induced by incoherent excitation source.

    Kosei Ueno;Saulius Juodkazis;Toshiyuki Shibuya;Yukie Yokota

  • Optical trapping of a metal particle and a water droplet by a scanning laser beam

    Keiji Sasaki;Masanori Koshioka;Hiroaki Misawa;Noboru Kitamura

  • Demonstration of an Optical Quantum Controlled-NOT Gate without Path Interference

    Ryo Okamoto;Holger Friedrich Hofmann;Shigeki Takeuchi;Keiji Sasaki

  • Enhanced water splitting under modal strong coupling conditions

    Xu Shi;Kosei Ueno;Tomoya Oshikiri;Quan Sun

  • Three‐dimensional optical trapping and laser ablation of a single polymer latex particle in water

    Hiroaki Misawa;Masanori Koshioka;Keiji Sasaki;Noboru Kitamura

  • Clusters of closely spaced gold nanoparticles as a source of two-photon photoluminescence at visible wavelengths

    Kosei Ueno;Saulius Juodkazis;Vygantas Mizeikis;Keiji Sasaki

  • Multibeam laser manipulation and fixation of microparticles

    Hiroaki Misawa;Keiji Sasaki;Masanori Koshioka;Noboru Kitamura

  • Laser-Scanning Micromanipulation and Spatial Patterning of Fine Particles

    Keiji Sasaki;Masanori Koshioka;Hiroaki Misawa;Noboru Kitamura

  • Molecular Assembling by the Radiation Pressure of a Focused Laser Beam: Poly(N-isopropylacrylamide) in Aqueous Solution

    Johan Hofkens;Johan Hofkens;Junichi Hotta;K Sasaki;H Masuhara

  • Optimized phase switching using a single-atom nonlinearity

    Holger F Hofmann;Holger F Hofmann;Kunihiro Kojima;Shigeki Takeuchi;Shigeki Takeuchi;Keiji Sasaki

  • Nanostructured potential of optical trapping using a plasmonic nanoblock pair.

    Yoshito Tanaka;Shogo Kaneda;Keiji Sasaki

  • In situ measurements of ion-exchange processes in single polymer particles: laser trapping microspectroscopy and confocal fluorescence microspectroscopy.

    Haeng Boo Kim;Masahiko Hayashi;Kiyoharu Nakatani;Noboru Kitamura

  • Single Organic Nanoparticles

    Hiroshi Masuhara;Hachiro Nakanishi;Keiji Sasaki

  • Estimation of component spectral curves from unknown mixture spectra

    Keiji Sasaki;Satoshi Kawata;Shigeo Minami

  • Component analysis of spatial and spectral patterns in multispectral images. I: Basis

    S. Kawata;K. Sasaki;S. Minami

  • Constrained nonlinear method for estimating component spectra from multicomponent mixtures

    Keiji Sasaki;Satoshi Kawata;Shigeo Minami

  • Time-Dependent Fluorescence Depolarization Analysis in Three-Dimensional Microspectroscopy

    Masanori Koshioka;Keiji Sasaki;Hiroshi Masuhara

  • Nonlinear interaction of two photons with a one-dimensional atom : Spatiotemporal quantum coherence in the emitted field

    Kunihiro Kojima;Holger Friedrich Hofmann;Shigeki Takeuchi;Keiji Sasaki

  • Optical properties of nanoengineered gold blocks

    Kosei Ueno;Vygantas Mizeikis;Saulius Juodkazis;Keiji Sasaki

  • All-optical bistabilities of polydiacetylene langmuir-blodgett film waveguides

    K. Sasaki;K. Fujii;T. Tomioka;Takeshi Kinoshita

  • Three-Dimensional pH Microprobing with an Optically-Manipulated Fluorescent Particle

    Keiji Sasaki;Keiji Sasaki;Zhong You Shi;Raoul Kopelman;Hiroshi Masuhara

  • Beating the standard quantum limit: phase super-sensitivity of N-photon interferometers

    Ryo Okamoto;Ryo Okamoto;Holger F Hofmann;Tomohisa Nagata;Jeremy L O'Brien

  • Spectrally-resolved atomic-scale length variations of gold nanorods.

    Kosei Ueno;Saulius Juodkazis;Vygantas Mizeikis;Keiji Sasaki

Frequent Co-Authors

Hiroshi Masuhara
Hiroshi Masuhara National Yang Ming Chiao Tung University
Hiroaki Misawa
Hiroaki Misawa Hokkaido University
Kosei Ueno
Kosei Ueno Hokkaido University
Noboru Kitamura
Noboru Kitamura Hokkaido University
Saulius Juodkazis
Saulius Juodkazis Swinburne University of Technology
Satoshi Kawata
Satoshi Kawata Osaka University
Jeremy L. O'Brien
Jeremy L. O'Brien University of Bristol
Kenji Kamada
Kenji Kamada National Institute of Advanced Industrial Science and Technology
Naoto Koshizaki
Naoto Koshizaki Hokkaido University
Koichiro Tanaka
Koichiro Tanaka Kyoto University

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