World's Best Scientists 2026 revealed!
Colombo R. Bolognesi

Colombo R. Bolognesi

D-Index & Metrics

Engineering and Technology

D-Index
36
Citations
4908
World Ranking
8753
National Ranking
126

Colombo R. Bolognesi 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 Colombo R. Bolognesi 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: 258 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

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

Colombo R. Bolognesi 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 Colombo R. Bolognesi 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: 36 D-Index — 13th percentile

13% of scientists in this discipline score the same or lower.

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

Overview

Colombo R. Bolognesi is affiliated with ETH Zurich in Switzerland, focusing primarily on engineering and physics research. Their scholarly work spans multiple subfields, primarily electrical and electronic engineering as well as atomic and molecular physics and optics. The scope of their research also includes astronomy and astrophysics, biomedical engineering, and condensed matter physics.

The main topics Bolognesi has contributed to involve radio frequency integrated circuit design, semiconductor quantum structures and devices, and photonic and optical devices. Their research further addresses advancements in semiconductor devices and circuit design, advanced photonic communication systems, semiconductor materials and devices, and semiconductor lasers and optical devices.

Frequent collaborators in Bolognesi's work include Akshay M. Arabhavi, Olivier Ostinelli, Sara Hamzeloui, Filippo Ciabattini, and Giorgio Bonomo.

The researcher has published extensively in several notable venues, notably:

  • IEEE Transactions on Electron Devices
  • Journal of Lightwave Technology
  • IEEE Microwave and Wireless Technology Letters
  • Applied Physics Letters
  • IEEE Journal of Microwaves

Some recent publications authored or co-authored by Colombo R. Bolognesi include:

  • "InP/GaAsSb Double Heterojunction Bipolar Transistor Emitter-Fin Technology With f MAX = 1.2 THz," 2022, IEEE Transactions on Electron Devices
  • "Type-II GaInAsSb/InP Uniform Absorber High Speed Uni-Traveling Carrier Photodiodes," 2020, Journal of Lightwave Technology
  • "Г-L intervalley separation and electron mobility in GaAsSb grown on InP: Transport comparison with the GaInAs and GaInAsSb alloys," 2021, Applied Physics Letters
  • "High Power InP/Ga(In)AsSb DHBTs for Millimeter-Wave PAs: 14.5 dBm Output Power and 10.4 mw/μm2 Power Density at 94 GHz," 2022, IEEE Journal of Microwaves
  • "Design of On-Wafer TRL Calibration Kit for InP Technologies Characterization up to 500 GHz," 2020, IEEE Transactions on Electron Devices

Best Publications

  • 300 GHz InP/GaAsSb/InP double HBTs with high current capability and BV/sub CEO/>6 V

    M.W. Dvorak;C.R. Bolognesi;O.J. Pitts;S.P. Watkins

  • 205-GHz (Al,In)N/GaN HEMTs

    Haifeng Sun;A R Alt;H Benedickter;E Feltin

  • Type II photoluminescence and conduction band offsets of GaAsSb/InGaAs and GaAsSb/InP heterostructures grown by metalorganic vapor phase epitaxy

    J. Hu;X. G. Xu;J. A. H. Stotz;S. P. Watkins

  • 150-GHz Cutoff Frequencies and 2-W/mm Output Power at 40 GHz in a Millimeter-Wave AlGaN/GaN HEMT Technology on Silicon

    D. Marti;S. Tirelli;A. R. Alt;J. Roberts

  • Transistor Modeling: Robust Small-Signal Equivalent Circuit Extraction in Various HEMT Technologies

    Andreas R. Alt;Diego Marti;C.R. Bolognesi

  • Si/SiGe:C and InP/GaAsSb Heterojunction Bipolar Transistors for THz Applications

    Pascal Chevalier;Michael Schroter;Colombo R. Bolognesi;Vincenzo d'Alessandro

  • Interface roughness scattering in InAs/AlSb quantum wells

    C. R. Bolognesi;H. Kroemer;J. H. English

  • Improved charge control and frequency performance in InAs/AlSb-based heterostructure field-effect transistors

    C.R. Bolognesi;E.J. Caine;H. Kroemer

  • Growth of InAs-AlSb quantum wells having both high mobilities and high concentrations

    C. Nguyen;B. Brar;C. R. Bolognesi;J. J. Pekarik

  • InP/GaAsSb/InP double HBTs: a new alternative for InP-based DHBTs

    C.R. Bolognesi;M.M.W. Dvorak;P. Yeo;X.G. Xu

  • Heavily carbon-doped GaAsSb grown on InP for HBT applications

    S.P. Watkins;O.J. Pitts;C. Dale;X.G. Xu

  • 102-GHz AlInN/GaN HEMTs on Silicon With 2.5-W/mm Output Power at 10 GHz

    Haifeng Sun;A.R. Alt;H. Benedickter;C.R. Bolognesi

  • High-transconductance InAs/AlSb heterojunction field-effect transistors with delta -doped AlSb upper barriers

    J.D. Werking;C.R. Bolognesi;L.-D. Chang;C. Nguyen

  • Non-blocking collector InP/GaAs/sub 0.51/Sb/sub 0.49//InP double heterojunction bipolar transistors with a staggered lineup base-collector junction

    C.R. Bolognesi;N. Matine;R.W. Dvorak;X.G. Xu

  • Ultrahigh Performance Staggered Lineup (“Type-II”) InP/GaAsSb/InP NpN Double Heterojunction Bipolar Transistors

    Colombo R. Bolognesi;Martin W. Dvorak;Noureddine Matine;Oliver J. Pitts

  • At-Bias Extraction of Access Parasitic Resistances in AlGaN/GaN HEMTs: Impact on Device Linearity and Channel Electron Velocity

    D.W. DiSanto;C.R. Bolognesi

  • High-Performance 0.1- $\mu\hbox{m}$ Gate AlGaN/GaN HEMTs on Silicon With Low-Noise Figure at 20 GHz

    Haifeng Sun;A.R. Alt;H. Benedickter;C.R. Bolognesi

  • Fully Passivated AlInN/GaN HEMTs With $f_{ m T}/f_{ m MAX}$ of 205/220 GHz

    S. Tirelli;D. Marti;Haifeng Sun;A. R. Alt

  • 94-GHz Large-Signal Operation of AlInN/GaN High-Electron-Mobility Transistors on Silicon With Regrown Ohmic Contacts

    Diego Marti;Stefano Tirelli;Valeria Teppati;Lorenzo Lugani

  • Ultrahigh-Speed AlInN/GaN High Electron Mobility Transistors Grown on (111) High-Resistivity Silicon with FT = 143 GHz

    Haifeng Sun;Andreas R. Alt;Hansruedi Benedickter;Colombo R. Bolognesi

  • 107-GHz (Al,Ga)N/GaN HEMTs on Silicon With Improved Maximum Oscillation Frequencies

    S. Tirelli;D. Marti;Haifeng Sun;A.R. Alt

Frequent Co-Authors

Herbert Kroemer
Herbert Kroemer University of California, Santa Barbara
Nicolas Grandjean
Nicolas Grandjean École Polytechnique Fédérale de Lausanne
David H. Chow
David H. Chow HRL Laboratories (United States)
Evelyn L. Hu
Evelyn L. Hu Harvard University
Viktor Krozer
Viktor Krozer Goethe University Frankfurt
Edwin L. Piner
Edwin L. Piner Texas State University
Lixin Dong
Lixin Dong City University of Hong Kong
Kei May Lau
Kei May Lau Hong Kong University of Science and Technology
Jörg P. Kotthaus
Jörg P. Kotthaus Ludwig-Maximilians-Universität München
Jean-Luc Pelouard
Jean-Luc Pelouard University of Paris-Saclay

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