OPTICS & PHOTONICS International Congress 2024

Presentation information

ICNN2024 » Oral Presentation

Session 2

Mon. Apr 22, 2024 3:20 PM - 4:50 PM 414+415 (Pacifico Yokohama Conference Center)

Session Chair: Jun Tatebayashi (Osaka University)

4:05 PM - 4:20 PM

[ICNN3-03] Enhancing detection efficiency of superconducting nanowire single-photon detectors by modifying thermal conductance via helium ion irradiation

*Fabian Wietschorke1, Stefan Strohauer2, Markus Döblinger3, Christian Schmid1, Lucio Zugliani1, Stefanie Grotowski2, Rasmus Flaschmann1, Björn Jonas1, Jonathan Finley2, Kai Müller1 (1. Walter Schottky Institute and Department for Electrical and Computer Engineering, Technical University of Munich, Germany, 2. Walter Schottky Institute and Physics Department, Technical University of Munich, Germany, 3. Department of Chemistry, Ludwig-Maximilians-Universität München, 81377 Munich, Germany)

We investigated the influence of Helium ion irradiation on NbTiN deposited on a Si/SiO2 wafer in regards of electrical and thermal transport properties and found a decrease in heat conductance from superconductor to the substrate.

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