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Electronics and Electrical Engineering

D-Index
45
Citations
9556
World Ranking
3500
National Ranking
1294

Overview

Joachim Piprek is a researcher affiliated with the NUSOD Institute in the United States, specializing in the fields of Physics and Astronomy as well as Materials Science. Their work predominantly focuses on GaN-based semiconductor devices and materials, covering a total of 14 publications in this area. Their expertise extends into semiconductor quantum structures and devices, semiconductor lasers and optical devices, and advanced optical sensing technologies.

The scientist's research spans several subfields, including condensed matter physics, atomic and molecular physics and optics, electronic, optical and magnetic materials, materials chemistry, and spectroscopy. This multidisciplinary approach is reflected in the variety of topics they investigate, such as Ga2O3 and related materials, ZnO doping and properties, and spectroscopy and laser applications.

Joachim Piprek has authored multiple papers, some of which have been published in notable venues. Select publications include:

  • Efficiency Models for GaN-Based Light-Emitting Diodes: Status and Challenges, 2020, Materials
  • Simulation-based machine learning for optoelectronic device design: perspectives, problems, and prospects, 2021, Optical and Quantum Electronics
  • Recombination in Polar InGaN/GaN LED Structures with Wide Quantum Wells, 2023, physica status solidi (RRL) - Rapid Research Letters
  • GaN-based bipolar cascade lasers with 25 nm wide quantum wells, 2022, Optical and Quantum Electronics
  • GaN-based Bipolar Cascade Lasers with 25nm wide Quantum Wells: Simulation and Analysis, 2021, arXiv (Cornell University)

Their frequent coauthors include G. Muzio, M. Siekacz, C. Skierbiszewski, Jens W. Tomm, and Д. М. Берча, with collaborations ranging from multiple to single joint publications.

Joachim Piprek's work has been disseminated through various publication venues, reflecting the interdisciplinary nature of their research. These venues include:

  • Optical and Quantum Electronics
  • Materials
  • physica status solidi (RRL) - Rapid Research Letters
  • arXiv (Cornell University)
  • Proceedings of the International Display Workshops

Best Publications

  • Origin of efficiency droop in GaN-based light-emitting diodes

    Min-Ho Kim;Martin F. Schubert;Qi Dai;Jong Kyu Kim

  • Efficiency droop in nitride-based light-emitting diodes

    Joachim Piprek

  • Semiconductor Optoelectronic Devices: Introduction to Physics and Simulation

    Joachim Piprek

  • Nitride semiconductor devices : principles and simulation

    Joachim Piprek

  • Physics of high-power InGaN/GaN lasers

    J. Piprek;S. Nakamura

  • What limits the maximum output power of long-wavelength AlGaInAs/InP laser diodes?

    J. Piprek;J.K. White;A.J. SpringThorpe

  • Band gap bowing and refractive index spectra of polycrystalline AlxIn1−xN films deposited by sputtering

    T. Peng;J. Piprek;G. Qiu;J. O. Olowolafe

  • Material parameters of quaternary III - V semiconductors for multilayer mirrors at wavelength

    Mustafa Güden;Joachim Piprek

  • Thermionic emission cooling in single barrier heterostructures

    Ali Shakouri;Chris LaBounty;Joachim Piprek;Patrick Abraham

  • Self-consistent analysis of high-temperature effects on strained-layer multiquantum-well InGaAsP-InP lasers

    J. Piprek;P. Abraham;J.E. Bowers

  • Minimum temperature sensitivity of 1.55 μm vertical-cavity lasers at −30 nm gain offset

    J. Piprek;Y. A. Akulova;D. I. Babic;L. A. Coldren

  • On the uncertainty of the Auger recombination coefficient extracted from InGaN/GaN light-emitting diode efficiency droop measurements

    Joachim Piprek;Friedhard Römer;Bernd Witzigmann

  • Electron leakage effects on GaN-based light-emitting diodes

    Joachim Piprek;Simon Li

  • Design and analysis of double-fused 1.55-/spl mu/m vertical-cavity lasers

    D.I. Babic;J. Piprek;K. Streubel;R.P. Mirin

  • 64/spl deg/C continuous-wave operation of 1.5-/spl mu/m vertical-cavity laser

    N.M. Margalit;J. Piprek;S. Zhang;D.I. Babic

  • Thermal conductivity reduction in GaAs-AlAs distributed Bragg reflectors

    J. Piprek;T. Troger;B. Schroter;J. Kolodzey

  • Enhanced Thermionic Emission Cooling in High Barrier Superlattice Heterostructures

    Ali Shakouri;Chris LaBounty;Patrick Abraham;Joachim Piprek

  • High-power 1320-nm wafer-bonded VCSELs with tunnel junctions

    V. Jayaraman;M. Mehta;A.W. Jackson;S. Wu

  • Long-wavelength vertical-cavity lasers and amplifiers

    A. Karim;S. Bjorlin;J. Piprek;J.E. Bowers

  • Optoelectronic devices : advanced simulation and analysis

    Joachim Piprek

Frequent Co-Authors

John E. Bowers
John E. Bowers University of California, Santa Barbara
Steven P. DenBaars
Steven P. DenBaars University of California, Santa Barbara
Ali Shakouri
Ali Shakouri Purdue University West Lafayette
Evelyn L. Hu
Evelyn L. Hu Harvard University
Shuji Nakamura
Shuji Nakamura University of California, Santa Barbara
Michael Kneissl
Michael Kneissl Technical University of Berlin
Jen-Inn Chyi
Jen-Inn Chyi National Central University
Hadis Morkoç
Hadis Morkoç Virginia Commonwealth University
Larry A. Coldren
Larry A. Coldren University of California, Santa Barbara
Bin Liu
Bin Liu National University of Singapore

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