Prof. Gerd Bacher Profile

Prof. Gerd Bacher

Principal Investigator at Univ Duisburg-Essen

SPIE Involvement:

Author

Proceedings Article | 13 March 2024 Presentation

Graphene as low-absorbent contact layers in GaN-based LEDs

Gerd Bacher, Johanna Meier, Hehe Zhang, Umut Kaya, Wolfgang Mertin

Proceedings Volume PC12906, PC129060D (2024) https://doi.org/10.1117/12.2692824

KEYWORDS: Graphene, Light emitting diodes, Ultraviolet radiation, 2D materials, Visible radiation, Copper, Chemical vapor deposition, Transparency, Semiconducting wafers, Optical properties

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Proceedings Article | 8 June 2023 Presentation

Optoelectronic devices based on scalable 2D materials

Gerd Bacher

Proceedings Volume PC12584, PC125840H (2023) https://doi.org/10.1117/12.2665706

KEYWORDS: Optoelectronic devices, Metalorganic chemical vapor deposition, Heterojunctions, Graphene, Transparency, Transition metals, Semiconductors, Sapphire, Photodetectors, Optoelectronics

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Proceedings Article | 7 March 2022 Poster

On-chip 3D confocal optical study of an InGaN/GaN microrod LED

Johanna Meier, Julius Kahl, Adrian Avramescu, Martin Strassburg, Gerd Bacher

Proceedings Volume PC12022, PC120220W (2022) https://doi.org/10.1117/12.2608532

KEYWORDS: Light emitting diodes, Confocal microscopy, Spatial resolution, Quantum wells, Polarization, Photonic crystals, Photonic crystal devices, Photon polarization, Optical microscopy, Luminescence

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Proceedings Article | 1 August 2021 Presentation

collective and individual spin phenomena in doped nanocrystals

Gerd Bacher

Proceedings Volume 11805, 118051M (2021) https://doi.org/10.1117/12.2596311

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Proceedings Article | 20 August 2020 Presentation

Magnetically doped nanocrystals: from functionality to devices

Gerd Bacher

Proceedings Volume 11470, 114703N (2020) https://doi.org/10.1117/12.2568478

KEYWORDS: Nanocrystals, Magnetism, Polarons, Electronic components, Doping, Spintronics, Magnetic semiconductors, Semiconductors, Nanoparticles, Magneto-optics

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Proceedings Article | 25 February 2020 Paper

WS2 monolayer based light emitting devices fabricated by scalable deposition techniques

Tilmar Kümmell, Dominik Andrzejewski, Yannick Beckmann, Mohamed Abdelbaky, Travis Yeow, Annika Grundmann, Michael Heuken, Holger Kalisch, Andrei Vescan, Kevin Musselman, Gerd Bacher

Proceedings Volume 11302, 113020P (2020) https://doi.org/10.1117/12.2544926

KEYWORDS: Zinc oxide, Electroluminescence, Metalorganic chemical vapor deposition, Atomic layer deposition, Sapphire, Light emitting diodes, Chemical vapor deposition, Luminescence, Metals, Glasses

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Proceedings Article | 24 February 2009 Paper

Electrically driven room temperature operation of a single quantum dot emitter

Tilmar Kümmell, Robert Arians, Arne Gust, Carsten Kruse, Sergey Zaitsev, Detlef Hommel, Gerd Bacher

Proceedings Volume 7211, 72110G (2009) https://doi.org/10.1117/12.808165

KEYWORDS: Quantum dots, Electroluminescence, Single photon, Quantum efficiency, Picosecond phenomena, Light emitting diodes, Magnesium, Temperature metrology, Gallium arsenide, Luminescence

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Proceedings Article | 16 February 2009 Paper

Investigation of the electrical activity of V-defects in GaN using scanning force microscopy

André Lochthofen, Wolfgang Mertin, Gerd Bacher, Lutz Hoeppel, Stefan Bader, Jürgen Off, Berthold Hahn

Proceedings Volume 7216, 721610 (2009) https://doi.org/10.1117/12.808992

KEYWORDS: Gallium nitride, Atomic force microscopy, Doping, Temperature metrology, Heterojunctions, Scanning transmission electron microscopy, Interfaces, Microscopy, Oxides, Image transmission

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Proceedings Article | 12 February 2009 Paper

Low operation voltage UV-light emitting device based on ZnO nanoparticles

Ekaterina Neshataeva, Tilmar Kuemmell, André Ebbers, Gerd Bacher

Proceedings Volume 7217, 721707 (2009) https://doi.org/10.1117/12.808149

KEYWORDS: Nanoparticles, Electroluminescence, Zinc oxide, Annealing, Ultraviolet radiation, Visible radiation, Transparent conductors, Aluminum, Particles, Electrodes

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Proceedings Article | 8 May 2008 Paper

The physics of catastrophic optical damage in high-power AlGaInP laser diodes

M. Bou Sanayeh, P. Brick, W. Schmid, B. Mayer, M. Müller, M. Reufer, K. Streubel, M. Ziegler, J. Tomm, G. Bacher

Proceedings Volume 6997, 699703 (2008) https://doi.org/10.1117/12.779524

KEYWORDS: Aluminium gallium indium phosphide, Semiconductor lasers, Thermography, Temperature metrology, Absorption, Near field, Waveguides, Electroluminescence, Cameras, Physics

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Proceedings Article | 8 February 2007 Paper

Degradation studies of InGaN/GaN heterostructure laser diodes using a Kelvin Force Microscope

André Lochthofen, Wolfgang Mertin, Gerd Bacher, Michael Furitsch, Georg Brüderl, Berthold Hahn, Uwe Strauss, Volker Härle

Proceedings Volume 6473, 64730Z (2007) https://doi.org/10.1117/12.704855

KEYWORDS: Diodes, Semiconductor lasers, Microscopy, Heterojunctions, Gallium nitride, Mirrors, Electroluminescence, Gold, Silicon carbide, Magnesium

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Proceedings Article | 22 February 2006 Paper

Kelvin force microscopy on a (Al1-xGax)0.5In0.5P light-emitting diode

Klaus-Dieter Katzer, Wolfgang Mertin, Gerd Bacher, Arndt Jaeger, Klaus Streubel

Proceedings Volume 6134, 61340I (2006) https://doi.org/10.1117/12.645768

KEYWORDS: Diodes, Light emitting diodes, Modulation, Microscopy, Aluminium gallium indium phosphide, Spatial resolution, Interfaces, Heterojunctions, Semiconductors, Gallium

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Proceedings Article | 30 May 2003 Paper

Spin and polarization dynamics in magnetic and nonmagentic semiconductor quantum dots

Michael Schneiber, Jochen Seufert, Herbert Schoemig, Gerd Bacher, Alfred Forchel

Proceedings Volume 4992, (2003) https://doi.org/10.1117/12.475716

KEYWORDS: Magnetism, Polarization, Manganese, Excitons, Ions, Quantum dots, Polarons, Pulsed laser operation, Picosecond phenomena, Magnetic semiconductors

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Proceedings Article | 8 March 2001 Paper

Spectral diffusion and fine structure splitting of optical transitions in semiconductor quantum dots

Gerd Bacher, Jochen Seufert, R. Weigand, M. Obert, Vladimir Kulakovskii, T. Kuemmell, Alfred Forchel, K. Leonardi, Detlef Hommel

Proceedings Volume 4318, (2001) https://doi.org/10.1117/12.417577

KEYWORDS: Excitons, Magnetism, Polarization, Quantum dots, Diffusion, Phonons, Switching, Semiconductors, Spatial resolution, Luminescence

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Showing 5 of 14 publications

Conference Committee Involvement (10)

Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XX

15 February 2016 | San Francisco, California, United States

Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XIX

10 February 2015 | San Francisco, California, United States

Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XVIII

4 February 2014 | San Francisco, California, United States

Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XVII

4 February 2013 | San Francisco, California, United States

Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XVI

24 January 2012 | San Francisco, California, United States

Showing 5 of 10 Conference Committees

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