Mitarbeiter Hofherr

Dr.-Ing. Matthias Hofherr

  • Research assistant
  • Institut für Mikro- und Nanoelektronische Systeme (IMS)
    Hertzstraße 16
    Gebäude: 06.41
    D - 76187 Karlsruhe

Completed study, bachelor, diploma and master theses
title chair tutor person in charge
circuit design

Ferdinand Schwenk

circuit design

Robert Korn

circuit design

Marco Neber

circuit design

Dorjan Sulaj

circuit design

Hanna Becker

circuit design

Constantin Becker

detectors

Benjamin Berg

circuit design

Matthias Arndt

detectors

Matthias Hofherr

Alexei Witzig

circuit design

Bao An

detectors

Pavol Marko

detectors

Ferdinand Schwenk

detectors

Robert Prinz

detectors

Valentin Ndasse

detectors

Leo Goslich

detectors

Julia Toussaint

detectors

Matthias Hofherr

Jörg Schaaf

circuit design

Matthias Arndt

Detektoren

Markus Ditlevsen

Publications


2016
A Data Acquisition System for Kinetic-Inductance Detectors
Arndt, M.; Berg, B.; Schwenk, F.; Hofherr, M.; Wuensch, S.; Siegel, M.
2016. IEEE transactions on applied superconductivity, 26 (3), Art. Nr. 2400104. doi:10.1109/TASC.2016.2540241
2015
Data acquisition system for kinetic-inductance detectors
Arndt, M.; Berg, B.; Schwenk, F.; Hofherr, M.; Wuensch, S.; Siegel, M.
2015, September. 12 th European Conference on Applied Superconductivity (EUCAS 2015), Lyon, France, September 6–10, 2015
2014
An ultra-fast data acquisition system for coherent synchrotron radiation with terahertz detectors
Caselle, M.; Balzer, M.; Chilingaryan, S.; Hofherr, M.; Judin, V.; Kopmann, A.; Smale, N. J.; Thoma, P.; Wuensch, S.; Müller, A. S.; Siegel, M.; Weber, M.
2014. Journal of Instrumentation, 9 (1), C01024. doi:10.1088/1748-0221/9/01/C01024
Microbunching Instability in Relativistic Electron Bunches: Direct Observations of the Microstructures Using Ultrafast YBCO Detectors
Roussel, E.; Evain, C.; Szwaj, C.; Bielawski, S.; Raasch, J.; Thoma, P.; Scheuring, A.; Hofherr, M.; Ilin, K.; Wünsch, S.; Siegel, M.; Hosaka, M.; Yamamoto, N.; Takashima, Y.; Zen, H.; Konomi, T.; Adachi, M.; Kimura, S.; Katoh, M.
2014. Physical Review Letters, 113 (9), 094801. doi:10.1103/PhysRevLett.113.094801
2013
FDM-readout for large detector arrays
Arndt, M.; Hofherr, M.; Wuensch, S.; Berg, B.; Schwenk, F.; Siegel, M.
2013, October 7. Tagung Kryoelektronische Bauelemente (KRYO 2013), Bad Herrenalb, Germany, October 6–8, 2013
Time-tagged multiplexing of SNSPDs for multi-pixel arrays
Hofherr, M.; Toussaint, J.; Arndt, M.; Ilin, K.; May, T.; Meyer, H.-G.; Siegel, M.
2013, September. European Conference on Applied Superconductivity (EUCAS 2013), Genova, Italy, September 15–19, 2013
Highly responsive Y-Ba-Cu-O thin film THz detectors with picosecond time resolution
Thoma, P.; Raasch, J.; Scheuring, A.; Hofherr, M.; Il’in, K.; Wünsch, S.; Semenov, A.; Hübers, H.-W.; Judin, V.; Müller, A.-S.; Smale, N.; Hänisch, J.; Holzapfel, B.; Siegel, M.
2013. IEEE transactions on applied superconductivity, 23 (3), 2400206. doi:10.1109/TASC.2012.2233851
Infrared photo-response of Fe-shunted Ba-122 thin film microstructures
Rehm, L.; Henrich, D.; Hofherr, M.; Wünsch, S.; Thoma, P.; Scheuring, A.; Il’in, K.; Siegel, M.; Haindl, S.; Iida, K.; Kurth, F.; Holzapfel, B.; Schultz, L.
2013. IEEE transactions on applied superconductivity, 23 (3), Art.-Nr. 7501105. doi:10.1109/TASC.2013.2244632
Optimization of Frequency-Domain Multiplexing readout of large detector arrays
Arndt, M.; Hofherr, M.; Wuensch, S.; Berg, B.; Schwenk, F.; Siegel, M.
2013. Tagung Kryoelektronische Bauelemente (KRYO 2013), Bad Herrenalb, Germany, October 6–8, 2013
Single flux quantum circuit for SNSPD readout with improved sensitivity and scalability for integrated multi-pixel arrays
Ortlepp, T.; Hofherr, M.; Ilin, K.; Toussaint, J.; Siegel, M.
2013. 14th International Superconductive Electronics Conference (ISEC 2013), Cambridge, MA, USA, July 7–11, 2013
Ultra-wide band FDM-readout system for large SC detector arrays
Arndt, M.; Hofherr, M.; Wuensch, S.; Berg, B.; Schwenk, F.; Siegel, M.
2013. 8th FLUXONICS RSFQ Design Workshop (2013), Ilmenau, Germany, September 25–28, 2013
Detection Efficiency of a Spiral-Nanowire Superconducting Single-Photon Detector
Henrich, D.; Rehm, L.; Doerner, S.; Hofherr, M.; Il’in, K.; Semenov, A.; Siegel, M.
2013. IEEE transactions on applied superconductivity, 23 (3), 2200405. doi:10.1109/TASC.2013.2237936
Studies of Bunch-bunch Interactions in the ANKA Storage Ring with Coherent Synchrotron Radiation using an Ultra-fast Terahertz Detection System
Müller, A.-S.; Balzer, B. M.; Caselle, M.; Hiller, N.; Hofherr, M.; Ilin, K. S.; Judin, V.; Kehrer, B.; Marsching, S.; Naknaimueang, S.; Nasse, M. J.; Raasch, J.; Scheuring, A.; Schuh, M.; Schwarz, M.; Siegel, M.; Smale, N. J.; Steinmann, J. L.; Thoma, P.; Weber, M.; Wuensch, S.
2013. 4th International Particle Accelerator Conference (IPAC), Shanghai, CHN, May 12-17, 2013. Ed.: Z. Dai, 109–111, JACoW Publishing
Studies of bunch-bunch interactions in the ANKA storage ring with coherent synchrotron radiation using an ultra-fast terahertz detection system
Müller, A. S.; Judin, V.; Balzer, M.; Caselle, M.; Hiller, N.; Hofherr, M.; Ilin, K. S.; Kehrer, B.; Marsching, S.; Naknaimueang, S.; Nasse, M. J.; Raasch, J.; Scheuring, A.; Schuh, M.; Schwarz, M.; Siegel, M.; Smale, N. J.; Steinmann, J.; Thoma, P.; Weber, M.; Wuensch, S.
2013. 4th International Particle Accelerator Conference (IPAC 2013), Shanghai, China, May 12–17, 2013
Superconducting nanowire single-photon detectors (SNSPDs) on SOI for near-infrared range
Trojan, P.; Ilin, K.; Henrich, D.; Hofherr, M.; Dörner, S.; Semenov, A.; Hübers, H.-W.; Siegel, M.
2013. DPG-Frühjahrstagung der Sektion Kondensierte Materie (SKM) vom 10.-15. März 2013 in Regensburg [Konferenz]
Time-Tagged Multiplexing of Serially Biased Superconducting Nanowire Single-Photon Detectors
Hofherr, M.; Arndt, M.; Il’in, K.; Henrich, D.; Siegel, M.; Toussaint, J.; May, T.; Meyer, H.
2013. IEEE Transactions on Applied Superconductivity, 23 (3), 2501205/1–5. doi:10.1109/TASC.2013.2245935
Mathematical Analysis of Multiplexing Techniques for SNSPD Arrays
Engert, S.; Wetzstein, O.; Hofherr, M.; Ilin, K.; Siegel, M.; Meyer, H.-G.; Toepfer, H.
2013. IEEE Transactions on Applied Superconductivity, 23 (3), 2501005/1–5. doi:10.1109/TASC.2013.2247455
2012
Concept study of a multiplexing technique for superconducting nanowire single-photon detector arrays
Engert, S.; Wetzstein, O.; Hofherr, M.; Ilin, K.; Siegel, M.; Meyer, H.-G.; Toepfer, H.
2012, October. Applied Superconductivity Conference (ASC 2012), Portland, OR, USA, October 7–12, 2012
Superconducting nanowire single-photon detectors for picosecond time resolved spectroscopic applications
Hofherr, M.; Ilin, K.; Henrich, D.; Wünsch, S.; Siegel, M.; Toussaint, J.; Schubert, M.; May, T.; Meyer, H.-G.; Grüner, R.; Dietzek, B.
2012, October. Applied Superconductivity Conference (ASC 2012), Portland, OR, USA, October 7–12, 2012
Code division multiplexing for superconducting nanowire single photon detectors using RSFQ electronic
Hofherr, M.; Wetzstein, O.; Engert, S.; Ortlepp, T.; Rall, D.; Ilin, K.; Stolz, R.; Töpfer, H.; Meyer, H.-G.; Siegel, M.
2012, October. Applied Superconductivity Conference (ASC 2012), Portland, OR, USA, October 7–12, 2012
Optical and infrared photo-response of Fe-shunted Ba-122 thin film microstructures
Rehm, L.; Henrich, D.; Hofherr, M.; Wuensch, S.; Thoma, P.; Scheuring, A.; Ilin, K.; Siegel, M.; Haindl, S.; Iida, K.; Kurth, F.; Holzapfel, B.; Schultz, L.
2012, October. Applied Superconductivity Conference (ASC 2012), Portland, OR, USA, October 7–12, 2012
Effect of Bends on the Critical Current in Superconducting Nanowires
Henrich, D.; Reichensperger, P.; Luck, Y.; Rehm, L.; Dörner, S.; Meckbach, J. M.; Hofherr, M.; Ilin, K.; Siegel, M.; Semenov, A.; Hübers, H.-W.; Vodolazov, D.
2012, October. Applied Superconductivity Conference (ASC 2012), Portland, OR, USA, October 7–12, 2012
Thin YBCO film THz detector with picosecond time resolution and large dynamic range
Probst, P.; Raasch, J.; Scheuring, A.; Hofherr, M.; Wünsch, S.; Ilin, K.; Semenov, A.; Hübers, H.-W.; Hanisch, J.; Holzapfel, B.; Smale, N.; Judin, V.; Hiller, N.; Müller, A.-S.; Müller, R.; Hoehl, A.; Ulm, G.; Adachi, M.; Kimura, S.; Siegel, M.
2012, October. Applied Superconductivity Conference (ASC 2012), Portland, OR, USA, October 7–12, 2012
Optimization of FDM readout of large detector arrays
Arndt, M.; Hofherr, M.; Berg, B.; Schwenk, F.; Groetsch, C.; Wuensch, S.; Siegel, M.
2012, October. Tagung Kryoelektronische Bauelemente (KRYO 2012), Freudenstadt, Germany, September 30–October 2, 2012
Measurement of the time jitter of coherent terahertz synchrotron radiation with a superconducting detector
Pohl, A.; Semenov, A.; Hoehl, A.; Mueller, R.; Ulm, G.; Feikes, J.; Ries, M.; Wuestefeld, G.; Probst, P.; Scheuring, A.; Hofherr, M.; Wuensch, S.; Il’in, K.; Siegel, M.; Huebers, H.-W.
2012. 37th International Conference on Infrared, Millimeter, and Terahertz Waves. 2012, Article no: 6379501, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/IRMMW-THz.2012.6379501
Superconducting nanowire single-photon detectors for time correlated single photon counting
Hofherr, M.; Ilin, K.; Henrich, D.; Arndt, M.; Siegel, M.; Toussaint, J.; Grüner, R.; May, T.; Schubert, M.; Meyer, H.-G.; Dietzek, B.; Popp, J.
2012, June. 7th Workshop on Advanced Multiphoton and Fluorescence Lifetime Imaging Techniques (FLIM 2012), Saarbrücken, Germany, June 25–26, 2012
YBaCuO high-speed detectors for picosecond THz pulses
Probst, P.; Scheuring, A.; Hofherr, M.; Wünsch, S.; Il’in, K.; Pohl, A.; Semenov, A.; Hübers, H.-W.; Judin, V.; Mueller, A.-S.; Hoehl, A.; Mueller, R.; Ulm, G.; Haenisch, J.; Holzapfel, B.; Siegel, M.
2012, April 3. 23rd International Symposium on Space Terahertz Technology (ISSTT 2012), Tokyo, Japan, April 2–4, 2012
Superconducting nanowire single-photon detector (SNSPD) in optical waveguide based on SOI
Trojan, P.; Ilin, K.; Henrich, D.; Hofherr, M.; Dörner, S.; Busch, T.; Semenov, A.; Hübers, H.-W.; Siegel, M.
2012. CFN Summer School on Nano-Photonics (2012), Bad Herrenalb, Germany, September 10–13, 2012
Influence of geometry on the critical current of superconducting nanowire single-photon detectors
Henrich, D.; Reichensperger, P.; Hofherr, M.; Ilin, K.; Siegel, M.; Semenov, A.; Hübers, H.-W.; Vodolazov, D.
2012. 76th Jahrestagung der DPG (76th annual conference of the DPG) and DPG-Frühjahrstagung (spring meeting) of the Condensed Matter Section (SKM) with further DPG Divisions: Environmental Physics, Microprobes, Radiation and Medical Physics, as well as the DPG working groups: Energy, Equal Opportunities, Industry and Business, Information, Philosophy of Physics, Physics and Disarmament, young DPG ; March 25 - 30, 2012, Technische Universität Berlin. Ed.: G. Schön, Deutsche Physikalische Gesellschaft (DPG)
Orthogonal sequencing multiplexer for superconducting nanowire single-photon detectors with RSFQ electronics readout circuit
Hofherr, M.; Wetzstein, O.; Engert, S.; Ortlepp, T.; Berg, B.; Ilin, K.; Henrich, D.; Stolz, R.; Toepfer, H.; Meyer, H.-G.; Siegel, M.
2012. Optics express, 20 (27), 28683–28697. doi:10.1364/OE.20.028683
Tantalum nitride superconducting single-photon detectors with low cut-off energy
Engel, A.; Aeschbacher, A.; Inderbitzin, K.; Schilling, A.; Il’in, K.; Hofherr, M.; Siegel, M.; Semenov, A.; Hübers, H.-W.
2012. Applied Physics Letters, 100 (6), 062601/1–3. doi:10.1063/1.3684243
Dark Count Suppression in Superconducting Nanowire Single Photon Detectors
Hofherr, M.; Rall, D.; Il’in, K.; Semenov, A.; Hübers, H.-W.; Siegel, M.
2012. Journal of Low Temperature Physics, 167 (5-6), 822–826. doi:10.1007/s10909-012-0495-9
Ultra-thin TaN Films for Superconducting Nanowire Single-Photon Detectors
Il’in, K.; Hofherr, M.; Rall, D.; Siegel, M.; Semenov, A.; Engel, A.; Inderbitzin, K.; Aeschbacher, A.; Schilling, A.
2012. Journal of Low Temperature Physics, 167 (5-6), 809–814. doi:10.1007/s10909-011-0424-3
Superconducting YBa₂Cu₃O Thin Film Detectors for Picosecond THz Pulses
Probst, P.; Scheuring, A.; Hofherr, M.; Wünsch, S.; Il’in, K.; Semenov, A.; Hübers, H.-W.; Judin, V.; Müller, A.-S.; Hänisch, J.; Holzapfel, B.; Siegel, M.
2012. Journal of low temperature physics, 167 (5-6), 898–903. doi:10.1007/s10909-012-0499-5
Geometry-induced reduction of the critical current in superconducting nanowires
Henrich, D.; Reichensperger, P.; Hofherr, M.; Meckbach, J. M.; Il’in, K.; Siegel, M.; Semenov, A.; Zotova, A.; Vodolazov, D. Y.
2012. Physical Review B, 86 (14), 144504/1–5. doi:10.1103/PhysRevB.86.144504
Superconducting Nanowire Single-Photon Detectors for Picosecond Time Resolved Spectroscopic Applications
May, T.; Toussaint, J.; Grüner, R.; Schubert, M.; Meyer, H.-G.; Dietzek, B.; Popp, J.; Hofherr, M.; Il’In, K.; Henrich, D.; Arndt, M.; Siegel, M.
2012. Biophotonics: Photonic Solutions for Better Health Care III, Brussels, Belgium, April 16-19, 2012. Ed.: J. Popp, 84274B/1–6, Society of Photo-optical Instrumentation Engineers (SPIE). doi:10.1117/12.970543
Real-time measurement of picosecond THz pulses by an ultra-fast YBa₂Cu₃O detection system
Thoma, P.; Scheuring, A.; Hofherr, M.; Wünsch, S.; Il’in, K.; Smale, N.; Judin, V.; Hiller, N.; Müller, A.-S.; Semenov, A.; Hübers, H.-W.; Siegel, M.
2012. Applied physics letters, 101 (14), Art.Nr. 142601. doi:10.1063/1.4756905
Broadening of hot-spot response spectrum of superconducting NbN nanowire single-photon detector with reduced nitrogen content
Henrich, D.; Dörner, S.; Hofherr, M.; Il’in, K.; Semenov, A.; Heintze, E.; Scheffler, M.; Dressel, M.; Siegel, M.
2012. Journal of Applied Physics, 112 (7), 074511/1–8. doi:10.1063/1.4757625
Superconducting single-photon counting system for optical experiments requiring time-resolution in the picosecond range
Toussaint, J.; Grüner, R.; Schubert, M.; May, T.; Meyer, H.-G.; Dietzek, B.; Popp, J.; Hofherr, M.; Arndt, M.; Henrich, D.; Il’in, K.; Siegel, M.
2012. Review of Scientific Instruments, 83 (12), 123103/1–5. doi:10.1063/1.4769048
2011
Concept study to derive parameter limits for orthogonal sequencing multiplexing for SNSPD arrays
Engert, S.; Wetzstein, O.; Hofherr, M.; Ilin, K.; Meyer, H.-G.; Toepfer, H.
2011, October. Tagung Kryoelektronische Bauelemente (KRYO 2011), Autrans, France, October 2–4, 2011
Superconducting micro-bolometers and single photon detectors for spectroscopic applications
Toussaint, J.; Hofherr, M.; Schubert, M.; Ilin, K.; Rall, D.; Wünsch, S.; Siegel, M.; Meyer, H.-G.; May, T.; Grüner, R.; Asimov, D.; Dietzek, B.
2011, October. Tagung Kryoelektronische Bauelemente (KRYO 2011), Autrans, France, October 2–4, 2011
Superconducting nanowire single-photon detectors: challenges in optimization of detector performance
Toussaint, J.; Hofherr, M.; Henrich, D.; Ilin, K.; Semenov, A.; Hübers, H.-W.; Meyer, H.-G.; Siegel, M.
2011, October. Tagung Kryoelektronische Bauelemente (KRYO 2011), Autrans, France, October 2–4, 2011
Simultaneous readout of a multi-pixel superconducting single-photon detector array
Wetzstein, O.; Hofherr, M.; Engert, S.; Fritzsch, L.; Ortlepp, T.; Ilin, K.; Rall, D.; Stolz, R.; Töpfer, H.; Siegel, M.; Meyer, H.-G.
2011, October. Tagung Kryoelektronische Bauelemente (KRYO 2011), Autrans, France, October 2–4, 2011
Single-flux quantum multiplexer for multi-pixel superconducting single-photon detector arrays
Hofherr, M.; Ilin, K.; Rall, D.; Wetzstein, O.; Fritsch, L.; Engert, S.; Ortlepp, T.; Semenov, A.; Hübers, H.-W.; Meyer, H.-G.; Töpfer, H.; Siegel, M.
2011, September 22. Superconductivity Centennial Conference (EUCAS–ISEC–ICMC 2011), The Hague, Netherlands, September 18–23, 2011
Suppression of dark counts of superconducting nanowire single-photon detectors caused by thermal fluctuations
Hofherr, M.; Ilin, K.; Rall, D.; Semenov, A.; Bartoli, H.; Engel, A.; Schilling, A.; Hübers, H.-W.; Siegel, M.
2011, September 20. Superconductivity Centennial Conference (EUCAS–ISEC–ICMC 2011), The Hague, Netherlands, September 18–23, 2011
Synchrotron pulse detection with a YBaCuO thin film THz detector
Probst, P.; Scheuring, A.; Hofherr, M.; Wuensch, S.; Ilin, K.; Pohl, A.; Semenov, A.; Huebers, H.-W.; Judin, V.; Mueller, A.-S.; Haenisch, J.; Holzapfel, B.; Hoehl, A.; Mueller, R.; Ulm, G.; Siegel, M.
2011, September. 6th International Workshop on Infrared Microscopy and Spectroscopy using Accelerator Based Sources (2011), Trieste, Italy, September 4–8, 2011
Magnetoresistivity of thin YBaCuO films on sapphire substrate
Probst, P.; Scheuring, A.; Hofherr, M.; Wünsch, S.; Ilin, K.; Semenov, A.; Hübers, H.-W.; Judin, V.; Müller, A.-S.; Hänisch, J.; Holzapfel, B.; Siegel, M.
2011, September. 7th International Conference on Vortex Matter in Nanostructured Superconductors (2011), Rhodes, Greece, September 10–17, 2011
THz pulse detection with picosecond time resolution by a YBaCuO thin-film detector
Probst, P.; Scheuring, A.; Hofherr, M.; Wünsch, S.; Ilin, K.; Semenov, A.; Hübers, H.-W.; Judin, V.; Müller, A.-S.; Hanisch, J.; Holzapfel, B.; Siegel, M.
2011, September. 14th International Workshop on Low Temperature Detectors (LTD 2011), Heidelberg, Germany, August 1–5, 2011
Fluctuations in thin NbN Nanowire Single-Photon Detectors
Hofherr, M.; Ilin, K.; Semenov, A.; Rall, D.; Bartoli, H.; Engel, A.; Schilling, A.; Hübers, H.-W.; Siegel, M.
2011, September. 14th International Workshop on Low Temperature Detectors (LTD 2011), Heidelberg, Germany, August 1–5, 2011
Ultra-thin TaN film nanowires for single-photon detection
Ilin, K.; Rall, D.; Hofherr, M.; Siegel, M.; Semenov, A.; Huebers, H.-W.; Engel, A.; Inderbitzin, K.; Aeschbacher, A.; Schilling, A.
2011, September. Superconductivity Centennial Conference (EUCAS–ISEC–ICMC 2011), The Hague, Netherlands, September 18–23, 2011
Detection Efficiency and Cut-off Wavelength of NbN-SNSPD with Different Stoichiometry
Rall, D.; Toussaint, J.; Hofherr, M.; Wünsch, S.; Ilin, K.; Semenov, A.; Huebers, H.-W.; Siegel, M.
2011, August 5. 14th International Workshop on Low Temperature Detectors (LTD 2011), Heidelberg, Germany, August 1–5, 2011
Superconducting ultra-thin TaN film nanostructures for optical and infrared detectors
Ilin, K.; Rall, D.; Hofherr, M.; Siegel, M.; Semenov, A.; Huebers, H.-W.; Engel, A.; Inderbitzin, K.; Aeschbacher, A.; Schilling, A.
2011, August. 14th International Workshop on Low Temperature Detectors (LTD 2011), Heidelberg, Germany, August 1–5, 2011
Spatially-Resolved Single-Photon Detection in NbN Nanowires
Jung, P.; Lukashenko, A.; Zhuravel, A. P.; Wuensch, S.; Hofherr, M.; Ilin, K.; Siegel, M.; Ustinov, A. V.
2011, March. 75. DPG-Frühjahrstagung der Sektion Kondensierte Materie, Fachverband Tiefe Temperaturen (SKM 2011), Dresden, Germany, March 13–18, 2011
Thin TaN films for infrared SNSPD
Ilin, K.; Rall, D.; Hofherr, M.; Siegel, M.; Semenov, A.; Huebers, H.-W.; Engel, A.; Schilling, A.
2011, March. 75. Jahrestagung der DPG und DPG-Frühjahrstagung der Sektion Atome, Moleküle, Quantenoptik und Plasmen (SAMOP) und der Sektion Kondensierte Materie (SKM 2011), Dresden, Germany, March 13–18, 2011
Detection of X-rays using Superconducting Nanowire Single-Photon Detectors
Engel, A.; Inderbitzin, K.; Aeschbacher, A.; Schilling, A.; Rall, D.; Hofherr, M.; Ilin, K.; Siegel, M.
2011. International Workshop on Nanowire Superconducting Single-Photon Detectors (2011), Eindhoven, Netherlands, September 23, 2011
SNSPD, readout concepts and application
Hofherr, M.; Rall, D.; Toussaint, J.; Wünsch, S.; Ilin, K.; Siegel, M.
2011. 4th Dresden-Karlsruhe Seminar on Materials and Applications in Superconductivity (2011), Bad Schandau, Germany, May 23–25, 2011
Energy relaxation processes in SNSPDs
Rall, D.; Hofherr, M.; Toussaint, J.; Ilin, K.; Siegel, M.
2011. 4th Dresden-Karlsruhe Seminar on Materials and Applications in Superconductivity (2011), Bad Schandau, Germany, May 23–25, 2011
Simultaneous readout of a multi-pixel superconducting single-photon detector array
Wetzstein, O.; Hofherr, M.; Engert, S.; Fritzsch, L.; Ortlepp, T.; Ilin, K.; Rall, D.; Stolz, R.; Töpfer, H.; Siegel, M.; Meyer, H.-G.
2011. 7th FLUXONICS RSFQ Design Workshop (2011), Ilmenau, Germany, September 26–28, 2011
Superconducting nanowire single-photon detectors: challenges in optimization of detector performance
Hofherr, M.; Henrich, D.; Ilin, K.; Toussaint, J.; Semenov, A.; Hübers, H.-W.; Meyer, H.-G.; Siegel, M.
2011. 7th FLUXONICS RSFQ Design Workshop (2011), Ilmenau, Germany, September 26–28, 2011
YBa₂Cu₃O quasioptical detectors for fast time-domain analysis of terahertz synchrotron radiation
Probst, P.; Scheuring, A.; Hofherr, M.; Rall, D.; Wünsch, S.; Il’in, K.; Siegel, M.; Semenov, A.; Pohl, A.; Hübers, H.-W.; Judin, V.; Müller, A.-S.; Hoehl, A.; Müller, R.; Ulm, G.
2011. Applied physics letters, 98, Art.-Nr. 043504. doi:10.1063/1.3546173
Demonstration of digital readout circuit for superconducting nanowire single photon detector
Ortlepp, T.; Hofherr, M.; Fritzsch, L.; Engert, S.; Il’in, K.; Rall, D.; Toepfer, H.; Meyer, H.-G.; Siegel, M.
2011. Optics Express, 19 (19), 18593–18601. doi:10.1364/OE.19.018593
2010
TaN thin films for Superconducting Nanowire Single-Photon Detectors
Ilin, K.; Rall, D.; Hofherr, M.; Siegel, M.; Semenov, A.; Hübers, H.-W.; Engel, A.; Schilling, A.
2010, October. Tagung Kryoelektronische Bauelemente (KRYO 2010), Zeuthen, Germany, October 3–5, 2010
RSFQ based readout of superconducting single photon detectors
Ortlepp, T.; Hofherr, M.; Ilin, K.; Engert, S.; Rall, D.; Toepfer, H.; Siegel, M.
2010, October. Tagung Kryoelektronische Bauelemente (KRYO 2010), Zeuthen, Germany, October 3–5, 2010
Improvement of SNSPD Detection Efficiency by Variation of NbN Chemical Composition
Rall, D.; Toussaint, J.; Hofherr, M.; Wünsch, S.; Ilin, K.; Semenov, A.; Hübers, H.-W.; Lemmer, U.; Siegel, M.
2010, October. Tagung Kryoelektronische Bauelemente (KRYO 2010), Zeuthen, Germany, October 3–5, 2010
High-speed YBCO detectors for resolving picosecond THz pulses
Probst, P.; Scheuring, A.; Hofherr, M.; Stockhausen, A.; Rall, D.; Wünsch, S.; Ilin, K.; Semenov, A.; Hübers, H.-W.; Judin, V.; Müller, A.-S.; Hanisch, J.; Holzapfel, B.; Siegel, M.
2010, October. Tagung Kryoelektronische Bauelemente (KRYO 2010), Zeuthen, Germany, October 3–5, 2010
RSFQ based readout of superconducting single photon detectors
Ortlepp, T.; Hofherr, M.; Ilin, K.; Engert, S.; Rall, D.; Wuensch, S.; Toepfer, H.; Siegel, M.
2010, August. Applied Superconductivity Conference (ASC 2010), Washington, DC, USA, August 1–6, 2010
Ultra-fast hot-electron bolometer detectors for measurements of pulsed THz radiation
Probst, P.; Scheuring, A.; Rall, D.; Stockhausen, A.; Hofherr, M.; Wünsch, S.; Ilin, K.; Semenov, A.; Hübers, H.-W.; Judin, V.; Müller, A.-S.; Hanisch, J.; Holzapfel, B.; Siegel, M.
2010, June. 3rd Dresden-Karlsruhe Seminar on Materials and Applications in Superconductivity (2010), Bad Liebenzell, Germany, June 9–11, 2010
Intrinsic detection efficiency of superconducting nanowire single-photon detectors with different thicknesses
Hofherr, M.; Ilin, K.; Rall, D.; Siegel, M.; Semenov, A.; Hübers, H.-W.; Gippius, N.
2010, May. 2nd Dresden-Karlsruhe Seminar on Materials and Applications in Superconductivity (2009), Colditz, Germany, May 27–29, 2009
Investigation of NbN thin film response to optical irradiation for detector application
Rall, D.; Ilin, K.; Hofherr, M.; Probst, P.; Wünsch, S.; Lemmer, U.; Siegel, M.; Semenov, A.; Hübers, H.-W.
2010, May. 2nd Dresden-Karlsruhe Seminar on Materials and Applications in Superconductivity (2009), Colditz, Germany, May 27–29, 2009
Superconducting YBCO hot-electron bolometer detectors for picosecond time resolution of THz pulses
Probst, P.; Rall, D.; Scheuring, A.; Hofherr, M.; Wünsch, S.; Ilin, K.; Semenov, A.; Hübers, H.-W.; Judin, V.; Müller, A.-S.; Siegel, M.
2010, April. 456. Wilhelm and Else Heraeus Seminar: THz Radiation: Generation, Detection and Applications (2010), Bad Honnef, Germany, April 19–21, 2010
Improved understanding of superconducting nanowire single-photon detectors, a key to a better performance
Hofherr, M.; Ilin, K.; Semenov, A.; Gippius, N.; Rall, D.; Hübers, H.-W.; Siegel, M.
2010. 2nd KIT PhD Symposium (2010), Karlsruhe, Germany, September 30, 2010
Investigation of Energy Relaxation Processes in ultra-thin Superconducting Films with Frequency Domain Measurements
Rall, D.; Probst, P.; Hofherr, M.; Wünsch, S.; Il’in, K.; Haindl, S.; Iida, K.; Lemmer, U.; Siegel, M.
2010. 3rd Dresden-Karlsruhe Seminar on Materials and Applications in Superconductivity (2010), Bad Liebenzell, Germany, June 9–11, 2010
Spacially resolved investigation of superconducting NbN nanowire single photon detectors
Jung, P.; Lukashenko, A.; Zhuravel, A. P.; Wuensch, S.; Hofherr, M.; Ilin, K.; Siegel, M.; Ustinov, A. V.
2010. 76th Jahrestagung der DPG (76th annual conference of the DPG) and DPG-Frühjahrstagung (spring meeting) of the Condensed Matter Section (SKM) with further DPG Divisions: Environmental Physics, Microprobes, Radiation and Medical Physics, as well as the DPG working groups: Energy, Equal Opportunities, Industry and Business, Information, Philosophy of Physics, Physics and Disarmament, young DPG ; March 25 - 30, 2012, Technische Universität Berlin. Ed.: G. Schö, Deutsche Physikalische Gesellschaft (DPG)
Energy relaxation processes in YBCO thin films studied by frequency and time-domain techniques
Probst, P.; Hofherr, M.; Wünsch, S.; Ilin, K.; Siegel, M.; Rall, D.
2010. DPG Frühjahrstagung der Sektion Kondensierte Materie (SKM), Fachverband Tiefe Temperaturen, 21. - 26. März 2010, Regensburg, Deutschland
Intrinsic detection efficiency of superconducting nanowire single-photon detectors with different thicknesses
Hofherr, M.; Rall, D.; Il’in, K. S.; Siegel, M.; Semenov, A.; Hübers, H.-W.; Gippius, N.
2010. Journal of Applied Physics, 108 (1), 014507/1–9. doi:10.1063/1.3437043
Superconducting nanowire single-photon detectors: Quantum Efficiency vs. thickness of NbN films
Hofherr, M.; Rall, D.; Ilin, K. S.; Semenov, A.; Gippius, N.; Hübers, H.-W.; Siegel, M.
2010. 9th European Conference on Applied Superconductivity, EUCAS 09; 13 September 2009 - 17 September 2009, Dresden, Germany, Art.Nr.:012017. doi:10.1088/1742-6596/234/1/012017
Energy relaxation time in NbN and YBCO thin films under optical irradiation
Siegel, M.; Rall, D.; Probst, P.; Hofherr, M.; Wünsch, S.; Il’in, K.; Lemmer, U.; Siegel, M.
2010. 9th European Conference on Applied Superconductivity, EUCAS 09; 13 September 2009-17 September 2009, Dresden, Germany, 042029. doi:10.1088/1742-6596/234/4/042029
2009
Measurements of energy relaxation time in thin YBaCuO films on sapphire substrates
Probst, P.; Rall, D.; Hofherr, M.; Wünsch, S.; Il’in, K.; Siegel, M.
2009, October 5. Tagung Kryoelektronische Bauelemente (KRYO 2009), Oberhof, Germany, October 4–6, 2009
Spectral response of a SNSPD with different thickness of NbN films
Hofherr, M.; Ilin, K.; Semenov, A.; Gippius, N.; Rall, D.; Hübers, H.-W.; Siegel, M.
2009, October 5. Tagung Kryoelektronische Bauelemente (KRYO 2009), Oberhof, Germany, October 4–6, 2009
Energy relaxation time in NbN and YBCO thin films under optical irradiation
Rall, D.; Probst, P.; Hofherr, M.; Wünsch, S.; Ilin, K.; Lemmer, U.; Siegel, M.
2009, September. 9th European Conference on Applied Superconductivity (EUCAS 2009), Dresden, Germany, September 13–17, 2009
High-T thin films for fast THz detectors
Probst, P.; Il’in, K.; Rall, D.; Hofherr, M.; Wünsch, S.; Siegel, M.
2009, May. 2nd Dresden-Karlsruhe Seminar on Materials and Applications in Superconductivity (2009), Colditz, Germany, May 27–29, 2009
Superconducting nanowire single-photon detectors: Intrinsic quantum efficiency vs. thickness of NbN films
Hofherr, M.; Ilin, K.; Semenov, A.; Gippius, N.; Rall, D.; Hübers, H.-W.; Siegel, M.
2009. Tagung Kryoelektronische Bauelemente (KRYO 2009), Oberhof, Germany, October 4–6, 2009
Superconducting Nanowire Single-Photon Detector: Intrinsic quantum efficiency vs. thickness of NbN films
Hofherr, M.; Ilin, K.; Siegel, M.; Semenov, A.; Hübers, H.-W.; Gippius, N.
2009. 9th European Conference on Applied Superconductivity (EUCAS 2009), Dresden, Germany, September 13–17, 2009
Investigation of Energy Relaxation Processes in NbN thin films using Optical Irradiation
Rall, D.; Hofherr, M.; Ilin, K.; Wünsch, S.; Siegel, M.; Lemmer, U.; Semenov, A.; Hübers, H.-W.
2009. DPG Frühjahrstagung der Sektion Kondensierte Materie - Fachverband Tiefe Temperaturen (SKM 2009), Dresden, Germany, March 22–27, 2009