World's Best Scientists 2026 revealed!

D-Index & Metrics

Electronics and Electrical Engineering

D-Index
46
Citations
7885
World Ranking
3407
National Ranking
188

Ajoy K. Kar 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 Ajoy K. Kar 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: 387 publications — 73rd percentile

73% of scientists in this discipline score the same or lower.

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

Ajoy K. Kar 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 Ajoy K. Kar 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: 46 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

Overview

What is he best known for?

The fields of study he is best known for:

  • Laser
  • Optics
  • Quantum mechanics

Ajoy K. Kar mostly deals with Optics, Laser, Optoelectronics, Ultrashort pulse and Waveguide. His research is interdisciplinary, bridging the disciplines of Chalcogenide and Optics. His work deals with themes such as Spectroscopy and Insertion loss, which intersect with Laser.

His Optoelectronics research includes themes of Absorption and Multi-mode optical fiber. His Ultrashort pulse study combines topics from a wide range of disciplines, such as Picosecond and Crystallite. His work carried out in the field of Femtosecond brings together such families of science as Supercontinuum, Lithium niobate and Optical amplifier.

His most cited work include:

  • Ultrafast laser inscription of an integrated photonic lantern (183 citations)
  • Optical waveguide fabrication in z-cut lithium niobate (LiNbO3) using femtosecond pulses in the low repetition rate regime (131 citations)
  • Ultrafast-laser inscription of a three dimensional fan-out device for multicore fiber coupling applications. (131 citations)

What are the main themes of his work throughout his whole career to date?

His scientific interests lie mostly in Optics, Optoelectronics, Laser, Ultrashort pulse and Femtosecond. His research related to Waveguide, Refractive index, Nonlinear optics, Wavelength and Optical fiber might be considered part of Optics. His study in Optoelectronics is interdisciplinary in nature, drawing from both Absorption, Cladding and Optical amplifier.

His Laser research is multidisciplinary, incorporating perspectives in Waveguide and Photonics. His studies in Ultrashort pulse integrate themes in fields like Chalcogenide glass and Ytterbium. The study incorporates disciplines such as Microfluidics, Nanotechnology, Lithium niobate and Insertion loss in addition to Femtosecond.

He most often published in these fields:

  • Optics (64.32%)
  • Optoelectronics (56.03%)
  • Laser (53.52%)

What were the highlights of his more recent work (between 2012-2021)?

  • Laser (53.52%)
  • Optoelectronics (56.03%)
  • Optics (64.32%)

In recent papers he was focusing on the following fields of study:

The scientist’s investigation covers issues in Laser, Optoelectronics, Optics, Ultrashort pulse and Femtosecond. Ajoy K. Kar interconnects Waveguide, Cladding and Waveguide in the investigation of issues within Laser. His Waveguide study combines topics in areas such as Ytterbium and Nonlinear system.

His Optoelectronics research focuses on Optical tweezers and how it relates to Free-space optical communication. Ajoy K. Kar has researched Ultrashort pulse in several fields, including Gallium, Chalcogenide glass, Refractive index and Crystallite. His Femtosecond research incorporates elements of Microfluidics, Nanotechnology and Fluorescence.

Between 2012 and 2021, his most popular works were:

  • Ultrafast laser inscription: perspectives on future integrated applications (121 citations)
  • 1.5 GHz picosecond pulse generation from a monolithic waveguide laser with a graphene-film saturable output coupler. (104 citations)
  • Nonlinear optical properties of multilayer graphene in the infrared (64 citations)

In his most recent research, the most cited papers focused on:

  • Laser
  • Optics
  • Quantum mechanics

Ajoy K. Kar mainly investigates Laser, Optics, Optoelectronics, Ultrashort pulse and Laser power scaling. The various areas that Ajoy K. Kar examines in his Laser study include Photonics, Quantum dot and Waveguide. His research integrates issues of Dispersion, Refractive index profile and Gallium in his study of Waveguide.

His Optics study frequently intersects with other fields, such as Graphene. His Optoelectronics study integrates concerns from other disciplines, such as Far-infrared laser, Etching and Maximum power principle. His biological study deals with issues like Tunable laser, which deal with fields such as Laser pumping and Microstructured optical fiber.

Best Publications

  • Ultrafast laser inscription of an integrated photonic lantern

    R R Thomson;Tim A Birks;S G Leon-Saval;A K Kar

  • Ultrafast laser inscription of a three dimensional fan-out device for multicore fiber coupling applications

    R.R. Thomson;H.T. Bookey;N.D. Psaila;A. Fender

  • Three-dimensional femtosecond laser nanolithography of crystals

    Airan Rodenas;Min Gu;Giacomo Corrielli;Petra Paiè

  • Ultrafast laser inscription: perspectives on future integrated applications

    Debaditya Choudhury;John R. Macdonald;Ajoy K. Kar

  • Optical waveguide fabrication in z-cut lithium niobate (LiNbO3) using femtosecond pulses in the low repetition rate regime

    R. R. Thomson;S. Campbell;I. J. Blewett;A. K. Kar

  • Nonlinear optical properties of multilayer graphene in the infrared.

    Giorgos Demetriou;Henry Bookey;Fabio Biancalana;Eitan Abraham

  • Tellurite Glasses for Broadband Amplifiers and Integrated Optics

    Shaoxiong Shen;Animesh Jha;Xiaobo Liu;Mira Naftaly

  • Three-dimensional mid-infrared photonic circuits in chalcogenide glass.

    Airán Ródenas;Guillermo Martin;Brahim Arezki;Nickolas Psaila

  • Nonlinear optical properties of chalcogenide glasses: Observation of multiphoton absorption

    K. S. Bindra;H. T. Bookey;A. K. Kar;B. S. Wherrett

  • 1.5 GHz picosecond pulse generation from a monolithic waveguide laser with a graphene-film saturable output coupler.

    Rose Mary;Graeme Brown;Stephen J. Beecher;Felice Torrisi

  • 1.5 GHz Pulse Generation From a Monolithic Waveguide Laser With a Graphene-Film Saturable Output Coupler

    R. Mary;S. J. Beecher;G. Brown;F. Torrisi

  • Femtosecond laser writing of waveguides in periodically poled lithium niobate preserving the nonlinear coefficient

    Roberto Osellame;Mirko Lobino;Nicola Chiodo;Marco Marangoni

  • OPTICAL LIMITING PROPERTIES OF A ZINC PORPHYRIN POLYMER AND ITS DIMER AND MONOMER MODEL COMPOUNDS

    F.M Qureshi;S.J Martin;X Long;D.D.C Bradley

  • Supercontinuum generation up to 2.5 μm in photonic crystal fiber made of lead-bismuth-galate glass

    R. Buczynski;H.T. Bookey;D. Pysz;R. Stepien

  • Er:Yb-doped oxyfluoride silicate glass waveguide amplifier fabricated using femtosecond laser inscription

    N. D. Psaila;R. R. Thomson;H. T. Bookey;A. K. Kar

  • Ultrafast laser inscription: An enabling technology for astrophotonics

    Robert R. Thomson;Ajoy K. Kar;Jeremy Allington-Smith

  • Ultra-short pulsed laser ablation of polymers

    A.A. Serafetinides;M.I. Makropoulou;C.D. Skordoulis;A.K. Kar

  • 70% slope efficiency from an ultrafast laser-written Nd:GdVO4 channel waveguide laser.

    Yang Tan;Airan Rodenas;Feng Chen;Robert R. Thomson

  • Ultrafast laser inscribed Yb:KGd(WO4)2 and Yb:KY(WO4)2 channel waveguide lasers.

    F. M. Bain;A. A. Lagatsky;R. R. Thomson;N. D. Psaila

  • Supercontinuum generation in an ultrafast laser inscribed chalcogenide glass waveguide

    Nicholas D. Psaila;Robert R. Thomson;Henry T. Bookey;Shaoxiong Shen

  • Optical bistability in InSb at room temperature with two-photon excitation

    A. K. Kar;J. G. H. Mathew;S. D. Smith;B. Davis

  • Photon-recycling and optically driven plasma-expansion techniques applied to lifetime experiments on molecular-beam-epitaxy ZnSe

    I. J. Blewett;N. R. Gallaher;A. K. Kar;B. S. Wherrett

Frequent Co-Authors

Animesh Jha
Animesh Jha University of Leeds
Daniel Jaque
Daniel Jaque Autonomous University of Madrid
Wei Ji
Wei Ji Renmin University of China
Roberto Osellame
Roberto Osellame National Research Council (CNR)
Giulio Cerullo
Giulio Cerullo Polytechnic University of Milan
Alexander A. Lagatsky
Alexander A. Lagatsky University of St Andrews
Xin Jiang
Xin Jiang University of Siegen
Ryszard Buczynski
Ryszard Buczynski University of Warsaw
Andrea C. Ferrari
Andrea C. Ferrari University of Cambridge
Zhipei Sun
Zhipei Sun Aalto University

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