Mitarbeiter Hofherr

Dr.-Ing. Matthias Hofherr

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

Abgeschlossene Studien-, Bachelor-, Diplom- und Masterarbeiten
Titel Forschungsthema Betreuung Bearbeitung
Schaltungsdesign

Ferdinand Schwenk

Schaltungsdesign

Robert Korn

Schaltungsdesign

Marco Neber

Schaltungsdesign

Dorjan Sulaj

Schaltungsdesign

Hanna Becker

Schaltungsdesign

Constantin Becker

Detektoren

Benjamin Berg

Detektoren

Matthias Arndt

Detektoren

Alexei Witzig

Schaltungsdesign

Bao An

Detektoren

Pavol Marko

Detektoren

Ferdinand Schwenk

THz-Sensorik

Robert Prinz

Detektoren

Valentin Ndasse

Detektoren

Leo Goslich

Detektoren

Julia Toussaint

Detektoren

Jörg Schaaf

Detektoren

Matthias Arndt

Detektoren

Markus Ditlevsen

Veröffentlichungen


2016
Zeitschriftenaufsätze
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
Poster
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, Frankreich, 6.–10. September 2015
2014
Dissertationen
Zeitschriftenaufsätze
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
Zeitschriftenaufsätze
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
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
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
Proceedingsbeiträge
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, Joint Accelerator Conferences Website (JACoW)
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]
Vorträge
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, 7.–11. Juli 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, Deutschland, 25.–28. September 2013
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, 12.–17. Mai 2013
Poster
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, Deutschland, 6.–8. Oktober 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, Italien, 15.–19. September 2013
FDM-readout for large detector arrays.
Arndt, M.; Hofherr, M.; Wuensch, S.; Berg, B.; Schwenk, F.; Siegel, M.
2013, Oktober 7. Tagung Kryoelektronische Bauelemente (KRYO 2013), Bad Herrenalb, Deutschland, 6.–8. Oktober 2013
2012
Zeitschriftenaufsätze
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
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
Proceedingsbeiträge
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
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)
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
Vorträge
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, Oktober. Applied Superconductivity Conference (ASC 2012), Portland, OR, USA, 7.–12. Oktober 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, Oktober. Applied Superconductivity Conference (ASC 2012), Portland, OR, USA, 7.–12. Oktober 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), Tokio, Japan, 2.–4. April 2012
Poster
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, Oktober. Applied Superconductivity Conference (ASC 2012), Portland, OR, USA, 7.–12. Oktober 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, Oktober. Applied Superconductivity Conference (ASC 2012), Portland, OR, USA, 7.–12. Oktober 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, Oktober. Applied Superconductivity Conference (ASC 2012), Portland, OR, USA, 7.–12. Oktober 2012
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, Juni. 7th Workshop on Advanced Multiphoton and Fluorescence Lifetime Imaging Techniques (FLIM 2012), Saarbrücken, Deutschland, 25.–26. Juni 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, Deutschland, 10.–13. September 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, Oktober. Applied Superconductivity Conference (ASC 2012), Portland, OR, USA, 7.–12. Oktober 2012
Optimization of FDM readout of large detector arrays.
Arndt, M.; Hofherr, M.; Berg, B.; Schwenk, F.; Groetsch, C.; Wuensch, S.; Siegel, M.
2012, Oktober. Tagung Kryoelektronische Bauelemente (KRYO 2012), Freudenstadt, Deutschland, 30. September–2. Oktober 2012
2011
Zeitschriftenaufsätze
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
Vorträge
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, Niederlande, 23. September 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), Triest, Italien, 4.–8. September 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), Rhodos, Griechenland, 10.–17. September 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, Deutschland, 1.–5. August 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, Deutschland, 23.–25. Mai 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, Deutschland, 23.–25. Mai 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, Deutschland, 26.–28. September 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, Deutschland, 26.–28. September 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, Oktober. Tagung Kryoelektronische Bauelemente (KRYO 2011), Autrans, Frankreich, 2.–4. Oktober 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, Oktober. Tagung Kryoelektronische Bauelemente (KRYO 2011), Autrans, Frankreich, 2.–4. Oktober 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, März. 75. Jahrestagung der DPG und DPG-Frühjahrstagung der Sektion Atome, Moleküle, Quantenoptik und Plasmen (SAMOP) und der Sektion Kondensierte Materie (SKM 2011), Dresden, Deutschland, 13.–18. März 2011
Poster
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, März. 75. DPG-Frühjahrstagung der Sektion Kondensierte Materie, Fachverband Tiefe Temperaturen (SKM 2011), Dresden, Deutschland, 13.–18. März 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, Deutschland, 1.–5. August 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, Deutschland, 1.–5. August 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), Den Haag, Niederlande, 18.–23. September 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), Den Haag, Niederlande, 18.–23. September 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, Oktober. Tagung Kryoelektronische Bauelemente (KRYO 2011), Autrans, Frankreich, 2.–4. Oktober 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, Oktober. Tagung Kryoelektronische Bauelemente (KRYO 2011), Autrans, Frankreich, 2.–4. Oktober 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), Den Haag, Niederlande, 18.–23. September 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, Deutschland, 1.–5. August 2011
2010
Zeitschriftenaufsätze
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
Proceedingsbeiträge
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
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
Vorträge
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, 1.–6. August 2010
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, Deutschland, 19.–21. April 2010
RSFQ based readout of superconducting single photon detectors.
Ortlepp, T.; Hofherr, M.; Ilin, K.; Engert, S.; Rall, D.; Toepfer, H.; Siegel, M.
2010, Oktober. Tagung Kryoelektronische Bauelemente (KRYO 2010), Zeuthen, Deutschland, 3.–5. Oktober 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, Oktober. Tagung Kryoelektronische Bauelemente (KRYO 2010), Zeuthen, Deutschland, 3.–5. Oktober 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, Mai. 2nd Dresden-Karlsruhe Seminar on Materials and Applications in Superconductivity (2009), Colditz, Deutschland, 27.–29. Mai 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, Mai. 2nd Dresden-Karlsruhe Seminar on Materials and Applications in Superconductivity (2009), Colditz, Deutschland, 27.–29. Mai 2009
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, Juni. 3rd Dresden-Karlsruhe Seminar on Materials and Applications in Superconductivity (2010), Bad Liebenzell, Deutschland, 9.–11. Juni 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, Deutschland, 9.–11. Juni 2010
Poster
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, Deutschland, 30. September 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, Oktober. Tagung Kryoelektronische Bauelemente (KRYO 2010), Zeuthen, Deutschland, 3.–5. Oktober 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, Oktober. Tagung Kryoelektronische Bauelemente (KRYO 2010), Zeuthen, Deutschland, 3.–5. Oktober 2010
2009
Vorträge
High-T thin films for fast THz detectors.
Probst, P.; Il’in, K.; Rall, D.; Hofherr, M.; Wünsch, S.; Siegel, M.
2009, Mai. 2nd Dresden-Karlsruhe Seminar on Materials and Applications in Superconductivity (2009), Colditz, Deutschland, 27.–29. Mai 2009
Poster
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, Deutschland, 4.–6. Oktober 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, Deutschland, 13.–17. September 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, Deutschland, 13.–17. September 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, Deutschland, 22.–27. März 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, Oktober 5. Tagung Kryoelektronische Bauelemente (KRYO 2009), Oberhof, Deutschland, 4.–6. Oktober 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, Oktober 5. Tagung Kryoelektronische Bauelemente (KRYO 2009), Oberhof, Deutschland, 4.–6. Oktober 2009