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D-Index & Metrics

Engineering and Technology

D-Index
50
Citations
8658
World Ranking
4118
National Ranking
1186

Sarath D. Gunapala 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 Sarath D. Gunapala 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: 510 publications — 95th percentile

95% of scientists in this discipline score the same or lower.

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

Sarath D. Gunapala 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 Sarath D. Gunapala 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: 50 D-Index — 59th percentile

59% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2015 - OSA Fellows Sarath D. Gunapala NASA Jet Propulsion Laboratory, USA For contributions to the development of quantum-structure-based infrared detectors and focal plane arrays.
  • 2014 - IEEE Fellow For contributions to infrared detectors and focal plane arrays
  • 2008 - SPIE Fellow

Overview

Sarath D. Gunapala is affiliated with the California Institute of Technology in the United States. Their research primarily spans the fields of Engineering and Physics and Astronomy, with a focus on Electrical and Electronic Engineering, Atomic and Molecular Physics and Optics, Aerospace Engineering, Biomedical Engineering, and Materials Chemistry.

The main topics covered in Sarath D. Gunapala's research include:

  • Advanced Semiconductor Detectors and Materials
  • Infrared Target Detection Methodologies
  • Plasmonic and Surface Plasmon Research
  • Semiconductor Quantum Structures and Devices
  • Advanced Thermodynamics and Statistical Mechanics
  • Chalcogenide Semiconductor Thin Films
  • Photonic and Optical Devices

Notable recent publications by Gunapala include:

  • "InAs/InAsSb Type-II Strained-Layer Superlattice Infrared Photodetectors," 2020, Micromachines
  • "Long wavelength InAs/InAsSb superlattice barrier infrared detectors with p-type absorber quantum efficiency enhancement," 2021, Applied Physics Letters
  • "Resonant Grating-Enhanced Black Phosphorus Mid-Wave Infrared Photodetector," 2022, Nano Letters
  • "Optically controlled quantum thermal gate," 2020, Physical Review B
  • "Long Wavelength InAs/InAsSb Infrared Superlattice Challenges: A Theoretical Investigation," 2020, Journal of Electronic Materials

Frequent coauthors collaborating with Gunapala are:

  • Alexander Soibel (22 publications)
  • Malin Premaratne (20 publications)
  • David Z. Ting (19 publications)
  • Arezou Khoshakhlagh (16 publications)
  • Anita M. Fisher (15 publications)

Publication venues where Gunapala has commonly contributed include:

  • Applied Physics Letters (7 publications)
  • Physical Review B (7 publications)
  • APL Quantum (3 publications)
  • Journal of Physics Condensed Matter (3 publications)
  • Nano Letters (2 publications)

Sarath D. Gunapala has received several recognitions for contributions to the field of infrared detectors and focal plane arrays. These include being named an SPIE Fellow in 2008, IEEE Fellow in 2014, and OSA Fellow in 2015. The OSA fellowship citation highlights work related to quantum-structure-based infrared detectors and focal plane arrays at the NASA Jet Propulsion Laboratory.

Best Publications

  • A high-performance long wavelength superlattice complementary barrier infrared detector

    David Z.-Y. Ting;Cory J. Hill;Alexander Soibel;Sam A. Keo

  • High-temperature operation of InAs-GaAs quantum-dot infrared photodetectors with large responsivity and detectivity

    S. Chakrabarti;A.D. Stiff-Roberts;P. Bhattacharya;S. Gunapala

  • Photoexcited escape probability, optical gain, and noise in quantum well infrared photodetectors

    Unknown

  • InGaAs/InP long wavelength quantum well infrared photodetectors

    S. D. Gunapala;B. F. Levine;D. Ritter;R. Hamm

  • Mid-wavelength high operating temperature barrier infrared detector and focal plane array

    David Z. Ting;Alexander Soibel;Arezou Khoshakhlagh;Sir B. Rafol

  • 640/spl times/486 long-wavelength two-color GaAs/AlGaAs quantum well infrared photodetector (QWIP) focal plane array camera

    S.D. Gunapala;S.V. Bandara;A. Singh;J.K. Liu

  • Type-II Superlattice Infrared Detectors

    David Z-Y. Ting;Alexander Soibel;Linda Höglund;Jean Nguyen

  • Normal incidence hole intersubband absorption long wavelength GaAs/AlxGa1−xAs quantum well infrared photodetectors

    Unknown

  • Influence of radiative and non-radiative recombination on the minority carrier lifetime in midwave infrared InAs/InAsSb superlattices

    L. Höglund;D. Z. Ting;A. Khoshakhlagh;A. Soibel

  • 1024 × 1024 pixel mid-wavelength and long-wavelength infrared QWIP focal plane arrays for imaging applications

    S. D. Gunapala;S. V. Bandara;J. K. Liu;C. J. Hill

  • Room temperature performance of mid-wavelength infrared InAsSb nBn detectors

    Alexander Soibel;Cory J. Hill;Sam A. Keo;Linda Hoglund

  • 9-/spl mu/m cutoff 256/spl times/256 GaAs/Al/sub x/Ga/sub 1-x/As quantum well infrared photodetector hand-held camera

    S.D. Gunapala;J.K. Liu;J.S. Park;M. Sundaram

  • 640 $\, imes\,$ 512 Pixels Long-Wavelength Infrared (LWIR) Quantum-Dot Infrared Photodetector (QDIP) Imaging Focal Plane Array

    S.D. Gunapala;S.V. Bandara;C.J. Hill;D.Z. Ting

  • Submonolayer quantum dot infrared photodetector

    David Z.-Y. Ting;Sumith V. Bandara;Sarath D. Gunapala;Jason M. Mumolo

  • 15-/spl mu/m 128/spl times/128 GaAs/Al/sub x/Ga/sub 1-x/As quantum well infrared photodetector focal plane array camera

    S.D. Gunapala;J.S. Park;G. Sarusi;True-Lon Lin

  • Solid-immersion metalenses for infrared focal plane arrays

    Shuyan Zhang;Alexander Soibel;Sam A. Keo;Daniel Wilson

  • Long-wavelength 640/spl times/486 GaAs-AlGaAs quantum well infrared photodetector snap-shot camera

    S.D. Gunapala;S.V. Bundara;J.K. Liu;Winn Hong

  • Chapter 4 Quantum Well Infrared Photodetector (QWIP) Focal Plane Arrays

    S.D. Gunapala;S.V. Bandara

  • Quantum Well Infrared Photodetector (QWIP) Focal Plane Arrays

    S. Gunapala;S. Bandara

  • Quantum Dot Based Infrared Focal Plane Arrays

    S. Krishna;S.D. Gunapala;S.V. Bandara;C. Hill

  • Lattice‐matched InGaAsP/InP long‐wavelength quantum well infrared photodetectors

    S. D. Gunapala;B. F. Levine;D. Ritter;R. A. Hamm

  • 10–16 μm Broadband quantum well infrared photodetector

    S. V. Bandara;S. D. Gunapala;J. K. Liu;E. M. Luong

  • Towards dualband megapixel QWIP focal plane arrays

    S.D. Gunapala;S.V. Bandara;J.K. Liu;J.M. Mumolo

Frequent Co-Authors

Malin Premaratne
Malin Premaratne Monash University
Mark I. Stockman
Mark I. Stockman Georgia State University
Michael W. Werner
Michael W. Werner California Institute of Technology
Paul G. Lucey
Paul G. Lucey University of Hawaii at Manoa
Simon J. Hook
Simon J. Hook California Institute of Technology
Sanjay Krishna
Sanjay Krishna The Ohio State University
J. J. Bock
J. J. Bock California Institute of Technology
Milton Feng
Milton Feng University of Illinois at Urbana-Champaign
H. C. Liu
H. C. Liu Shanghai Jiao Tong University
David S.-K. Ting
David S.-K. Ting University of Windsor

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