2025
High-Tc Josephson Junction Arrays Fabricated by He-FIB
Max Pröpper, Dominik Hanisch, Christoph Schmid, Marius Neumann, Paul Julius Ritter, Marc-André Tucholke, Edward Goldobin, Dieter Koelle, Reinhold Kleiner, Meinhard Schilling, Benedikt Hampel
in IEEE Transactions on Applied Superconductivity, vol. 35, no. 5, pp. 1-5, Aug. 2025, Art no. 1100105
doi: 10.1109/TASC.2024.3516741
2024
A Low-Power Cryogenic Analog Electrode Signal Processing Unit for Shuttling Operations in a Trapped-Ion Quantum Computer
Alexander Meyer, Zhaoqun Guo, Marius Neumann, Paul Julius Ritter, Jens Repp, Matthias Brandl, Meinhard Schilling, Vadim Issakov
2024 IEEE European Solid-State Electronics Research Conference (ESSERC), Bruges, Belgium, 2024, pp. 484-487
doi: 10.1109/ESSERC62670.2024.10719432
A Low-Power, High-Swing LDMOS Driver Amplifier for Shuttling Controller in a Trapped-Ion Quantum Computer Operating at 4 K
Zhaoqun Guo, Alexander Meyer, Adilet Dossanov, Paul Julius Ritter, Marius Neumann, Jens Repp, Matthias Brandl, Meinhard Schilling, Vadim Issakov
2024 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS), Fort Lauderdale, FL, USA, 2024, pp. 54-57
doi: 10.1109/BCICTS59662.2024.10745686
A Single-Stage 24 Gb/s 8:1 Cryogenic Multiplexer for Josephson Arbitrary Waveform Synthesizer
Yerzhan Kudabay, Paul Julius Ritter, Vadim Issakov
2024 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS), Fort Lauderdale, FL, USA, 2024, pp. 58-61
doi: 10.1109/BCICTS59662.2024.10745656
Model Verification Of U-shaped Antenna Designs For THz Imaging Using Josephson Junctions
Paul Julius Ritter, Marius Neumann, Max Pröpper, Dominik Hanisch, Finn-Niclas Stapelfeldt, Julius Mumme, Meinhard Schilling, Benedikt Hampel
2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Perth, Australia, 2024, pp. 1-2
doi: 10.1109/IRMMW-THz60956.2024.10697863
THz Properties of He-FIB YBa2Cu3O7-x Josephson Junctions
Max Pröpper, Dominik Hanisch, Chistoph Schmid, Paul Julius Ritter, Marius Neumann, Edward Goldobin, Dieter Koelle, Reinhold Kleiner, Meinhard Schilling, Benedikt Hampel
in IEEE Transactions on Applied Superconductivity, vol. 34, no. 3, pp. 1-5, May 2024, Art no. 1100505
doi: 10.1109/TASC.2024.335314
2023
Antenna Designs for Efficient Coupling to Josephson Junctions for THz Microscopy
Paul Julius Ritter, Finn-Niclas Stapelfeldt, Marco Tollkühn, Dominik Hanisch, Max Pröpper, Meinhard Schilling, Benedikt Hampel
IEEE Transactions on Applied Superconductivity 33 (5), 1-52 - 2023
doi: 10.1109/TASC.2023.3249132
Design and Characterization of a Hairpin Filter at GHz Frequencies Using a THz Microscope for Near-Field Analysis
Paul Julius Ritter, Marius Neumann, Julius Mumme, Meinhard Schilling, Benedikt Hampel
48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Montreal, QC, Canada, 2023, pp. 1-2
doi: 10.1109/IRMMW-THz57677.2023.10299026
High-Tc Josephson Junction Arrays for THz Applications
Dominik Hanisch, Max Pröpper, Paul Julius Ritter, Marco Tollkühn, Meinhard Schilling, Benedikt Hampel
in IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-5, Aug. 2023, Art no. 1501105
doi: 10.1109/TASC.2023.3257285
Near-field Characterization of a GHz Branchline Coupler Using a THz Microscope
Marius Neumann, Paul Julius Ritter, Julius Mumme, Meinhard Schilling, Benedikt Hampel
48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Montreal, QC, Canada, 2023, pp. 1-2
doi: 10.1109/IRMMW-THz57677.2023.10299243
THz Microscopy With Josephson Cantilevers for Characterization of Additive Manufactured Spiral Phase Plates
Marco Tollkühn, Paul Julius Ritter, Dominik Hanisch, Max Pröpper, Meinhard Schilling, Benedikt Hampel
in IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-5, Aug. 2023, Art no. 2500205,
doi: 10.1109/TASC.2023.3261260
2022
Characterization of multi-frequency emission of far-infrared laser with Josephson junctions in a THz microscope
Paul Julius Ritter, Marco Tollkühn, Meinhard Schilling, Benedikt Hampel
2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Delft, Netherlands, 2022, pp. 1-2
THz microscope for three-dimensional imaging with superconducting Josephson junctions
Marco Tollkühn, Paul Julius Ritter, Meinhard Schilling, Benedikt Hampel
Review of Scientific Instruments 93, 043708 - 2022
doi: 10.1063/5.0084207
THz Microscopy of Light Modes Generated with Additive Manufactured Spiral Phase Plates
Marco Tollkühn, Paul Julius Ritter, Meinhard Schilling, Benedikt Hampel
2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Delft, Netherlands, 2022, pp. 1-2
doi: 10.1109/IRMMW-THz50927.2022.9895987
