Intern
    Technische Physik

    Dr. Andreas Pfenning

    Dr. Andreas Pfenning

    Group Leader
    Leader of the "Semiconductor Quantum Photonics" group
    Technische Physik
    University of Würzburg
    Am Hubland
    97074 Würzburg
    Germany
    Gebäude: P1 (Physik)
    Raum: A021
    Telefon: +49 931 31-89851

    Plug‐and‐Play Fiber‐Coupled Quantum Dot Single‐Photon Source via Photonic Wire Bonding
    M. de Gregorio, S. Yu, D. Witt, B. Lin, M. Mitchell, Ł. Dusanowski, C. Schneider, L. Chrostowski, T. Huber-Loyola, S. Höfling, J. F. Young, and A. Pfenning
    Adv. Quantum Technol. 7 (2024), DOI: 10.1002/qute.202300227

    Polarized and Unpolarized Emission from a Single Emitter in a Bullseye Resonator
    G. Peniakov, Q. Buchinger, M. Helal, S. Betzold, Y. Reum, M. B. Rota, G. Ronco, M. Beccaceci, T. M. Krieger, S. F. C. Da Silva, A. Rastelli, R. Trotta, A. Pfenning, S. Höfling, and T. Huber-Loyola
    Laser Photonics Rev. (2024), DOI: 10.1002/lpor.202300835

    Ultra-low density and high performance InAs quantum dot single photon emitters
    C. Shang, M. de Gregorio, Q. Buchinger, M. Meinecke, P. Gschwandtner, A. Pfenning, T. Huber-Loyola, S. Höfling, and J. E. Bowers
    APL Quantum 1 (2024), DOI: 10.1063/5.0209866

    Purcell‐Enhanced Single‐Photon Emission in the Telecom C‐Band
    J. Kaupp, Y. Reum, F. Kohr, J. Michl, Q. Buchinger, A. Wolf, G. Peniakov, T. Huber-Loyola, A. Pfenning, and S. Höfling
    Adv. Quantum Technol. 6 (2023), DOI: 10.1002/qute.202300242

    Opto-electronic transport properties of resonant tunneling diodes with type-I and II postwells
    S. Krüger, A. Pfenning, F. Jabeen, F. Hartmann, and S. Höfling
    Appl. Phys. Lett. 123 (2023), DOI: 10.1063/5.0162282

    Strain‐Free GaSb Quantum Dots as Single‐Photon Sources in the Telecom S‐Band
    J. Michl, G. Peniakov, A. Pfenning, J. Hilska, A. Chellu, A. Bader, M. Guina, S. Höfling, T. Hakkarainen, and T. Huber-Loyola
    Adv. Quantum Technol. 6 (2023), DOI: 10.1002/qute.202300180

    Monolithic high contrast grating on GaSb/AlAsSb based epitaxial structures for mid-infrared wavelength applications
    A. Schade, A. Bader, T. Huber, S. Kuhn, T. Czyszanowski, A. Pfenning, M. Rygała, T. Smołka, M. Motyka, G. Sęk, F. Hartmann, and S. Höfling
    Opt. Express 31, 16025 (2023), DOI: 10.1364/OE.487119

    Single-Photon Counting with Semiconductor Resonant Tunneling Devices
    A. Pfenning, S. Krüger, F. Jabeen, L. Worschech, F. Hartmann, and S. Höfling
    Nanomaterials (Basel) 12 (2022), DOI: 10.3390/nano12142358

    Resonant Tunneling Diodes: Mid-Infrared Sensing at Room Temperature
    F. Rothmayr, E. D. Guarin Castro, F. Hartmann, G. Knebl, A. Schade, S. Höfling, J. Koeth, A. Pfenning, L. Worschech, and V. Lopez-Richard
    Nanomaterials (Basel) 12 (2022), DOI: 10.3390/nano12061024

    III-V semiconductor mid-infrared interband cascade light emitters and detectors
    A. Bader, L. Steinbrecher, F. Rothmayr, Y. Rawal, F. Hartmann, A. Pfenning, and S. Höfling
    Proc. SPIE, Infrared Remote Sensing and Instrumentation XXIX, 13 (2021), DOI: 10.1117/12.2599140

    Determination of Carrier Density and Dynamics via Magnetoelectroluminescence Spectroscopy in Resonant-Tunneling Diodes
    E. R. Cardozo de Oliveira, A. Naranjo, A. Pfenning, V. Lopez-Richard, G. E. Marques, L. Worschech, F. Hartmann, S. Höfling, and M. D. Teodoro
    Phys. Rev. Appl. 15, 14042 (2021), DOI: 10.1103/PhysRevApplied.15.014042

    Optical Mapping of Nonequilibrium Charge Carriers
    E. D. Guarin Castro, A. Pfenning, F. Hartmann, G. Knebl, M. Daldin Teodoro, G. E. Marques, S. Höfling, G. Bastard, and V. Lopez-Richard
    J. Phys. Chem. C 125, 14741 (2021), DOI: 10.1021/acs.jpcc.1c02173

    Progress on mid-infrared optoelectronic devices: interband cascade lasers, interband cascade detectors, and resonant tunneling diodes
    A. Bader, A. Pfenning, A. Schade, G. Knebl, R. Weih, Y. Rawal, L. Worschech, F. Hartmann, and S. Höfling
    Proc. SPIE, Infrared Remote Sensing and Instrumentation XXVIII, 18 (2020), DOI: 10.1117/12.2570729

    Photon counting with resonant tunneling diodes: overview and recent developments
    A. Pfenning, F. Hartmann, and S. Höfling
    Proc. SPIE, Advanced Photon Counting Techniques XIV, 5 (2020), DOI: 10.1117/12.2559290

    Resonant tunneling diode photon number resolving single-photon detectors
    A. Pfenning, J. Jurkat, A. Naranjo, D. Köck, F. Hartmann, and S. Höfling
    Proc. SPIE, Infrared Remote Sensing and Instrumentation XXVII, 10 (2019), DOI: 10.1117/12.2529929

    Electroluminescence on-off ratio control of n−i−n GaAs/AlGaAs-based resonant tunneling structures
    E. R. Cardozo de Oliveira, A. Pfenning, E. D. Guarin Castro, M. D. Teodoro, E. C. dos Santos, V. Lopez-Richard, G. E. Marques, L. Worschech, F. Hartmann, and S. Höfling
    Phys. Rev. B 98, 75302 (2018), DOI: 10.1103/PhysRevB.98.075302

    Mid-infrared detectors based on resonant tunneling diodes and interband cascade structures
    M. Kamp, F. Hartmann, L. Worschech, S. Höfling, A. Pfenning, G. Knebl, A. Schade, R. Weih, A. Bader, M. Meyer, S. Krüger, F. Rothmayr, C. Kistner, and J. Koeth
    Proc. SPIE, Infrared Remote Sensing and Instrumentation XXVI, 30 (2018), DOI: 10.1117/12.2324501

    p‐Type Doped AlAsSb/GaSb Resonant Tunneling Diode Photodetector for the Mid‐Infrared Spectral Region
    A. Pfenning, F. Hartmann, R. Weih, M. Emmerling, L. Worschech, and S. Höfling
    Adv. Opt. Mater. 6, 1800972 (2018), DOI: 10.1002/adom.201800972

    Mid-infrared GaSb-based resonant tunneling diode photodetectors for gas sensing applications
    F. Rothmayr, A. Pfenning, C. Kistner, J. Koeth, G. Knebl, A. Schade, S. Krueger, L. Worschech, F. Hartmann, and S. Höfling
    Appl. Phys. Lett. 112, 161107 (2018), DOI: 10.1063/1.5025531

    Antimonide-based resonant tunneling photodetectors for mid infrared wavelength light detection
    F. Hartmann, A. Pfenning, G. Knebl, R. Weih, A. Bader, M. Emmerling, M. Kamp, S. Höfling, and L. Worschech
    Proc. SPIE, Infrared Remote Sensing and Instrumentation XXV, 5 (2017), DOI: 10.1117/12.2274917

    Temperature tuning from direct to inverted bistable electroluminescence in resonant tunneling diodes
    F. Hartmann, A. Pfenning, M. Rebello Sousa Dias, F. Langer, S. Höfling, M. Kamp, L. Worschech, L. K. Castelano, G. E. Marques, and V. Lopez-Richard
    J. Appl. Phys. 122, 154502 (2017), DOI: 10.1063/1.4994099

    Room temperature operation of GaSb-based resonant tunneling diodes by prewell injection
    A. Pfenning, G. Knebl, F. Hartmann, R. Weih, A. Bader, M. Emmerling, M. Kamp, S. Höfling, and L. Worschech
    Appl. Phys. Lett. 110, 33507 (2017), DOI: 10.1063/1.4973894

    GaSb/AlAsSb resonant tunneling diodes with GaAsSb emitter prewells
    A. Pfenning, G. Knebl, F. Hartmann, R. Weih, M. Meyer, A. Bader, M. Emmerling, L. Worschech, and S. Höfling
    Appl. Phys. Lett. 111, 171104 (2017), DOI: 10.1063/1.4997497

    Innovative mid-infrared detector concepts
    S. Höfling, A. Pfenning, R. Weih, A. Ratajczak, F. Hartmann, G. Knebl, M. Kamp, and L. Worschech
    Proc. SPIE, Infrared Remote Sensing and Instrumentation XXIV, 997306 (2016), DOI: 10.1117/12.2237270

    Photoresponse of resonant tunneling diode photodetectors as a function of bias voltage
    A. Pfenning, F. Hartmann, F. Langer, M. Kamp, S. Höfling, and L. Worschech
    Proc. SPIE, Infrared Remote Sensing and Instrumentation XXIV, 997307 (2016), DOI: 10.1117/12.2238189

    Sensitivity of resonant tunneling diode photodetectors
    A. Pfenning, F. Hartmann, F. Langer, M. Kamp, S. Höfling, and L. Worschech
    Nanotechnology 27, 355202 (2016), DOI: 10.1088/0957-4484/27/35/355202

    Cavity-enhanced AlGaAs/GaAs resonant tunneling photodetectors for telecommunication wavelength light detection at 1.3 μm
    A. Pfenning, F. Hartmann, F. Langer, M. Kamp, S. Höfling, and L. Worschech
    Proc. SPIE, Infrared Remote Sensing and Instrumentation XXIII, 960810 (2015), DOI: 10.1117/12.2188614

    Nanothermometer Based on Resonant Tunneling Diodes: From Cryogenic to Room Temperatures
    A. Pfenning, F. Hartmann, M. Rebello Sousa Dias, L. K. Castelano, C. Süßmeier, F. Langer, S. Höfling, M. Kamp, G. E. Marques, L. Worschech, and V. Lopez-Richard
    ACS Nano 9, 6271 (2015), DOI: 10.1021/acsnano.5b01831

    Photocurrent-voltage relation of resonant tunneling diode photodetectors
    A. Pfenning, F. Hartmann, M. Rebello Sousa Dias, F. Langer, M. Kamp, L. K. Castelano, V. Lopez-Richard, G. E. Marques, S. Höfling, and L. Worschech
    Appl. Phys. Lett. 107, 81104 (2015), DOI: 10.1063/1.4929424

    Cavity-enhanced resonant tunneling photodetector at telecommunication wavelengths
    A. Pfenning, F. Hartmann, F. Langer, S. Höfling, M. Kamp, and L. Worschech
    Appl. Phys. Lett. 104, 101109 (2014), DOI: 10.1063/1.4868429