Prof. Gregor Koblmüller Profile

Prof. Gregor Koblmüller

at Walter Schottky Institut

SPIE Involvement:

Author

Publications (16)

Proceedings Article | 12 March 2024 Presentation

GaAsSb-(InAlGa)As core-multishell nanowire lasers on silicon

Paul Schmiedeke, Cem Doganlar, Marc-Aurel Meinhold-Heerlein, Andreas Thurn, Jonathan Finley, Gregor Koblmüller

Proceedings Volume PC12880, PC128800A (2024) https://doi.org/10.1117/12.3001120

KEYWORDS: Nanowires, Silicon, Semiconductor lasers, Laser resonators, Transparency, Semiconductors, Optical pumping, Molecular beam epitaxy, Light sources, Indium gallium arsenide

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Proceedings Article | 12 March 2024 Presentation

Continuous-wave lasing from InAs nanowires at mid-infrared wavelengths

Steffen Meder, Benjamin Haubmann, Fabio Del Giudice, Paul Schmiedeke, Jona Zöllner, Jonathan Finley, Gregor Koblmüller

Proceedings Volume PC12880, PC1288009 (2024) https://doi.org/10.1117/12.3001111

KEYWORDS: Nanowires, Emission wavelengths, Mid-IR, Indium arsenide, Continuous wave operation, Beam diameter, Temperature metrology, Design and modelling, Simulations, Silicon photonics

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Proceedings Article | 9 March 2024 Presentation

Tailoring hot carrier effects in semiconductor nanowires by spatial confinement

Hamidreza Esmaielpour, Nabi Isaev, Imam Makhfudz, Markus Döblinger, Jonathan Finley, Gregor Koblmüller

Proceedings Volume PC12881, PC128810F (2024) https://doi.org/10.1117/12.3001134

KEYWORDS: Hot carriers, Nanowires, Solar cells, Semiconductors, Photovoltaics, Diseases and disorders, Crystals, Beam diameter, Time resolved spectroscopy, Spectroscopes

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Proceedings Article | 17 March 2023 Presentation

Heterogeneous III-V nanowire quantum emitters on silicon photonic circuits

Hyowon Jeong, Akhil Ajay, Nitin Mukhundhan, Markus Döblinger, Jonathan Finley, Gregor Koblmüller

Proceedings Volume PC12430, PC124300H (2023) https://doi.org/10.1117/12.2648953

KEYWORDS: Silicon photonics, Nanowires, Waveguides, Quantum dots, Heterojunctions, System integration, Silicon, Quantum efficiency, Photonic integrated circuits, Optical properties

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Proceedings Article | 14 March 2023 Presentation

Radial (In,Al)GaAs(Sb)-nanowire heterojunctions for optoelectronic devices (Conference Presentation)

Tobias Schreitmüller, Daniel Ruhstorfer, Akhil Ajay, Andreas Thurn, Paul Schmiedeke, Jonathan Finley, Gregor Koblmüller

Proceedings Volume PC12441, PC124410S (2023) https://doi.org/10.1117/12.2650414

KEYWORDS: Heterojunctions, Optoelectronic devices, Electroluminescence, Silicon, Semiconductor lasers, Light emitting diodes, Doping, Vapor phase epitaxy, Structural design, Photonic devices

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Proceedings Article | 10 March 2023 Presentation + Paper

Time resolved infrared spectroscopy for hot carrier dynamics in InAs-AlAsSb core-shell nanowires

Daniel Sandner, Hamidreza Esmaielpour, Fabio del Giudice, Matthias Nuber, Reinhard Kienberger, Gregor Koblmüller, Hristo Iglev

Proceedings Volume 12416, 1241605 (2023) https://doi.org/10.1117/12.2648285

KEYWORDS: Nanowires, Electrons, Indium arsenide, Picosecond phenomena, Phonons, Absorption, Hot carriers, Scattering, Solar energy, Passivation

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Proceedings Article | 1 April 2022 Presentation

Self-induced ultrafast electron-hole plasma temperature oscillations in nanowire lasers

Andreas Thurn, Jochen Bissinger, Paul Schmiedeke, Stefan Meinecke, Sang Soon Oh, Weng Chow, Kathy Lüdge, Gregor Koblmüller, Jonathan Finley

Proceedings Volume PC11995, PC119950A (2022) https://doi.org/10.1117/12.2615632

KEYWORDS: Ultrafast phenomena, Plasma, Nanowires, Ultrafast lasers, Statistical modeling, Statistical analysis, Spectroscopy, Silicon photonics, Silicon, Semiconductors

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Proceedings Article | 5 March 2022 Presentation

Purcell enhanced coupling of nanowire quantum emitters to silicon photonic waveguides

Nitin Srirang Mukhundhan, Akhil Ajay, Jochen Bissinger, Jonathan Finley, Gregor Koblmüller

Proceedings Volume PC12004, PC1200409 (2022) https://doi.org/10.1117/12.2626396

KEYWORDS: Waveguides, Nanowires, Silicon photonics, Quantum dots, Quantum computing, Quantum communications, Interfaces, Silicon, Reflectivity, Quantum efficiency

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Proceedings Article | 14 March 2018 Presentation

Challenges in the monolithic integration and epitaxial gain control of III-V nanowire lasers on silicon (Conference Presentation)

Gregor Koblmüller, Thomas Stettner, Jochen Bissinger, Daniel Ruhstorfer, Michael Kaniber, Benedikt Mayer, Jonathan Finley

Proceedings Volume 10543, 1054302 (2018) https://doi.org/10.1117/12.2300033

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Proceedings Article | 14 March 2018 Presentation

Direct coupling of coherent emission from site-selectively grown III-V nanowire lasers into proximal silicon waveguides (Conference Presentation)

Thomas Stettner, Tobias Kostenbader, Daniel Ruhstorfer, Jochen Bissinger, Hubert Riedl, Michael Kaniber, Gregor Koblmueller, Jonathan Finley

Proceedings Volume 10538, 1053817 (2018) https://doi.org/10.1117/12.2288439

KEYWORDS: Silicon, Semiconductor lasers, Waveguides, Nanowires, Wave propagation, Photonic integrated circuits, Finite-difference time-domain method, Absorption, Optical interconnects, Optical design

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Proceedings Article | 14 March 2018 Presentation

Redshift of lasing modes in time-resolved spectra for GaAs-AlGaAs core-shell nanowires lasers on silicon (Conference Presentation)

Juan Salvador Dominguez Morales, Thomas Stettner, Shumithira Gandan, David Williams, Gregor Koblmueller, Jonathan Finley, Tomasz Ochalski

Proceedings Volume 10537, 1053713 (2018) https://doi.org/10.1117/12.2286315

KEYWORDS: Silicon, Nanowires, Picosecond phenomena, Luminescence, Refractive index, Semiconductor lasers, Gallium arsenide, Group III-V semiconductors, Light sources, Optoelectronics

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Proceedings Article | 20 April 2017 Presentation

CW and ultrafast properties of GaAs-AlGaAs core-shell nanowire lasers on silicon (Conference Presentation)

Benedikt Mayer, Gregor Koblmueller, Armin Regler, Sabrina Sterzl, Tom Stettner, Michael Kaniber, Benjamin Lingnau, Kathy Lüdge, Jonathan Finley

Proceedings Volume 10123, 101230M (2017) https://doi.org/10.1117/12.2253570

KEYWORDS: Nanowires, Continuous wave operation, Semiconductor lasers, Silicon, Pulsed laser operation, Picosecond phenomena, Ultrafast phenomena, Nanophotonics, Metrology, Nonlinear optics

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Proceedings Article | 7 March 2016 Paper

Towards p × n transverse thermoelectrics : extreme anisotropic conduction in bulk doped semiconductor thin films via proton implantation

Yang Tang, G. Koblmüller, H. Riedl, M. Grayson

Proceedings Volume 9765, 976508 (2016) https://doi.org/10.1117/12.2214448

KEYWORDS: Thermoelectric materials, Thin films, Anisotropy, Semiconductors, N-type semiconductors, Resistance, Ion implantation, Optical lithography, Semiconductor materials, Doping

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Proceedings Article | 4 February 2013 Paper

Thermal conductivity tensor of semiconductor layers using two-wire 3-omega method

Chuanle Zhou, G. Koblmüller, M. Bichler, G. Abstreiter, M. Grayson

Proceedings Volume 8631, 863129 (2013) https://doi.org/10.1117/12.2014610

KEYWORDS: Gallium arsenide, Gold, Thin films, Phonons, Error analysis, Silica, Semiconductors, Solids, Temperature metrology, Optical components

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Proceedings Article | 22 February 2012 Paper

Coupling of guided surface plasmon polaritons to proximal self-assembled InGaAs Quantum Dots

G. Bracher, K. Schraml, M. Blauth, C. Jakubeit, K. Müller, G. Koblmüller, M. Bichler, M. Kaniber, J. Finley

Proceedings Volume 8269, 826920 (2012) https://doi.org/10.1117/12.908748

KEYWORDS: Waveguides, Quantum dots, Wave propagation, Gallium arsenide, Plasmons, Indium gallium arsenide, Surface plasmon polaritons, Radio propagation, Surface plasmons, Plasmonics

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Proceedings Article | 13 February 2008 Paper

Submicron-thick microcavity InGaN light emitting diodes

Yong-Seok Choi, Michael Iza, Elison Matioli, Gregor Koblmüller, James Speck, Claude Weisbuch, Evelyn Hu

Proceedings Volume 6910, 69100R (2008) https://doi.org/10.1117/12.764696

KEYWORDS: Light emitting diodes, Optical microcavities, Electroluminescence, Gallium nitride, Etching, Metals, Nanoimprint lithography, Indium gallium nitride, Photonic crystals, Sapphire

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Showing 5 of 16 publications

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