World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
63
Citations
12940
World Ranking
1803
National Ranking
584

Overview

What is he best known for?

The fields of study he is best known for:

  • Quantum mechanics
  • Electron
  • Semiconductor

P. K. Bhattacharya mainly investigates Optoelectronics, Quantum dot, Quantum dot laser, Semiconductor laser theory and Gallium arsenide. His Optoelectronics study integrates concerns from other disciplines, such as Molecular beam epitaxy and Optics. The Quantum dot study combines topics in areas such as Photodetector, Absorption and Photoluminescence.

His Quantum dot laser research integrates issues from Silicon, Modulation and Ground state. His studies deal with areas such as Tunnel injection and Excited state, Atomic physics as well as Semiconductor laser theory. His Heterojunction study is concerned with the larger field of Condensed matter physics.

His most cited work include:

  • Quasiperiodic GaAs-AlAs Heterostructures (550 citations)
  • Far-infrared photoconductivity in self-organized InAs quantum dots (211 citations)
  • Evidence for spin splitting in In x Ga 1-x As/In 0.52 Al 0.48 As heterostructures as B-->0 (207 citations)

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

P. K. Bhattacharya spends much of his time researching Optoelectronics, Quantum dot, Gallium arsenide, Quantum well and Heterojunction. The concepts of his Optoelectronics study are interwoven with issues in Molecular beam epitaxy and Laser, Optics. The various areas that P. K. Bhattacharya examines in his Quantum dot study include Photoluminescence, Photodetector, Dark current and Condensed matter physics, Quantum tunnelling.

His Gallium arsenide research incorporates elements of Field-effect transistor and Photodiode. His Quantum well research is multidisciplinary, relying on both Exciton and Atomic physics. P. K. Bhattacharya has researched Heterojunction in several fields, including Heterojunction bipolar transistor and Bipolar junction transistor.

He most often published in these fields:

  • Optoelectronics (76.55%)
  • Quantum dot (32.41%)
  • Gallium arsenide (25.80%)

What were the highlights of his more recent work (between 2004-2018)?

  • Optoelectronics (76.55%)
  • Quantum dot (32.41%)
  • Quantum dot laser (21.11%)

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

His scientific interests lie mostly in Optoelectronics, Quantum dot, Quantum dot laser, Laser and Semiconductor laser theory. His Optoelectronics research includes elements of Quantum well, Molecular beam epitaxy and Optics. His work deals with themes such as Electron and Blue laser, which intersect with Quantum well.

His Quantum dot research is multidisciplinary, incorporating perspectives in Photoluminescence, Heterojunction, Dark current, Photonic crystal and Quantum tunnelling. P. K. Bhattacharya studied Quantum dot laser and Silicon that intersect with Quantum point contact and Nanowire. His Semiconductor laser theory study incorporates themes from Condensed matter physics, Circular polarization, Lasing threshold, Vertical-cavity surface-emitting laser and Optical polarization.

Between 2004 and 2018, his most popular works were:

  • Characteristics of a tunneling quantum-dot infrared photodetector operating at room temperature (185 citations)
  • Electrical spin injection and threshold reduction in a semiconductor laser. (136 citations)
  • Direct measurement of auger recombination in In0.1Ga0.9N/GaN quantum wells and its impact on the efficiency of In0.1Ga0.9N/GaN multiple quantum well light emitting diodes (124 citations)

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

  • Quantum mechanics
  • Electron
  • Semiconductor

His main research concerns Optoelectronics, Quantum dot, Quantum dot laser, Semiconductor laser theory and Gallium arsenide. He has included themes like Quantum well, Laser and Molecular beam epitaxy in his Optoelectronics study. His research integrates issues of Photodetector, Photonic crystal, Optics, Terahertz radiation and Laser linewidth in his study of Quantum dot.

His studies in Quantum dot laser integrate themes in fields like Tunnel injection, Amorphous solid, Heterojunction and Silicon. His Semiconductor laser theory research is multidisciplinary, incorporating elements of Optical polarization, Circular polarization and Atomic physics. His Gallium arsenide research includes themes of Duty cycle, Semiconductor, Heat transfer, Measure and Charge-coupled device.

Best Publications

  • Quasiperiodic GaAs-AlAs Heterostructures

    R. Merlin;K. Bajema;Roy Clarke;F. Y. Juang

  • Evidence for spin splitting in In x Ga 1-x As/In 0.52 Al 0.48 As heterostructures as B-->0

    B. Das;D. C. Miller;S. Datta;R. Reifenberger

  • Far-infrared photoconductivity in self-organized InAs quantum dots

    J. Phillips;K. Kamath;P. Bhattacharya

  • The role of Auger recombination in the temperature-dependent output characteristics (T0=∞) of p-doped 1.3 μm quantum dot lasers

    S. Fathpour;Z. Mi;P. Bhattacharya;A. R. Kovsh

  • Rapid carrier relaxation in In 0.4 Ga 0.6 A s / G a A s quantum dots characterized by differential transmission spectroscopy

    T. S. Sosnowski;T. B. Norris;H. Jiang;J. Singh

  • QUANTUM DOT OPTO-ELECTRONIC DEVICES

    P. Bhattacharya;S. Ghosh;A. D. Stiff-Roberts

  • Room-temperature operation of In0.4Ga0.6As/GaAs self-organised quantum dot lasers

    K. Kamath;P. Bhattacharya;T. Sosnowski;T. Norris

  • Spin-polarized light-emitting diodes and lasers

    M Holub;P Bhattacharya

  • Characteristics of a tunneling quantum-dot infrared photodetector operating at room temperature

    P. Bhattacharya;X. H. Su;S. Chakrabarti;G. Ariyawansa

  • Electrical spin injection and threshold reduction in a semiconductor laser.

    M. Holub;J. Shin;D. Saha;P. Bhattacharya

  • Carrier dynamics and high-speed modulation properties of tunnel injection InGaAs-GaAs quantum-dot lasers

    P. Bhattacharya;S. Ghosh;S. Pradhan;J. Singh

  • 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

  • Direct measurement of auger recombination in In0.1Ga0.9N/GaN quantum wells and its impact on the efficiency of In0.1Ga0.9N/GaN multiple quantum well light emitting diodes

    M. Zhang;P. Bhattacharya;J. Singh;J. Hinckley

  • Reduction of dislocation density in mismatched SiGe/Si using a low-temperature Si buffer layer

    K. K. Linder;F. C. Zhang;J.-S. Rieh;P. Bhattacharya

  • High-speed quantum dot lasers

    S Fathpour;Z Mi;P Bhattacharya

  • High-Performance $\hbox{In}_{0.5}\hbox{Ga}_{0.5} \hbox{As/GaAs}$ Quantum-Dot Lasers on Silicon With Multiple-Layer Quantum-Dot Dislocation Filters

    Jun Yang;P. Bhattacharya;Zetian Mi

  • Tunneling injection lasers: a new class of lasers with reduced hot carrier effects

    P. Bhattacharya;J. Singh;H. Yoon;Xiangkun Zhang

  • Dynamic characteristics of high-speed In0.4Ga0.6As/GaAs self-organized quantum dot lasers at room temperature

    S. Ghosh;S. Pradhan;P. Bhattacharya

  • High-Performance Quantum Dot Lasers and Integrated Optoelectronics on Si

    Zetian Mi;Jun Yang;P. Bhattacharya;Guoxuan Qin

  • High-detectivity, normal-incidence, mid-infrared (λ∼4 μm)InAs/GaAs quantum-dot detector operating at 150 K

    A. D. Stiff;S. Krishna;P. Bhattacharya;S. Kennerly

  • Raman coherence beats from entangled polarization eigenstates in InAs quantum dots.

    A. S. Lenihan;M. V. Gurudev Dutt;D. G. Steel;S. Ghosh

  • High-Speed Quantum Dot Lasers

    P. Bhattacharya;Z. Mi

Frequent Co-Authors

Jamie D. Phillips
Jamie D. Phillips University of Delaware
Zetian Mi
Zetian Mi University of Michigan–Ann Arbor
Theodore B. Norris
Theodore B. Norris University of Michigan–Ann Arbor
Sanjay Krishna
Sanjay Krishna The Ohio State University
George I. Haddad
George I. Haddad University of Michigan–Ann Arbor
Linda P. B. Katehi
Linda P. B. Katehi Texas A&M University
Weidong Zhou
Weidong Zhou The University of Texas at Arlington
George E. Ponchak
George E. Ponchak Glenn Research Center
Jasprit Singh
Jasprit Singh University of Michigan–Ann Arbor
Rajaram Bhat
Rajaram Bhat Corning (United States)

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Best Scientists Citing P. K. Bhattacharya

Trending Scientists