Multimode operation of a superconducting nanowire switch in the nanosecond regime
Fuente:
arXiv
Saved in:
| Main Authors: | , , , , , , , , , , |
|---|---|
| Format: | Preprint |
| Published: |
2025
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866916929169522688 |
|---|---|
| author | Scherübl, Zoltán Kocsis, Mátyás Elalaily, Tosson Kupás, Lőrinc Berke, Martin Fülöp, Gergő Kanne, Thomas Berggren, Karl Nygård, Jesper Csonka, Szabolcs Makk, Péter |
| author_facet | Scherübl, Zoltán Kocsis, Mátyás Elalaily, Tosson Kupás, Lőrinc Berke, Martin Fülöp, Gergő Kanne, Thomas Berggren, Karl Nygård, Jesper Csonka, Szabolcs Makk, Péter |
| contents | Superconducting circuits are promising candidates for future computational architectures, however, practical applications require fast operation. Here, we demonstrate fast, gate-based switching of an Al nanowire-based superconducting switch in time-domain experiments. We apply voltage pulses on the gate while monitoring the microwave transmission of the device. Utilizing the usual leakage-based operation these measurements yield a fast, 1--2~ns switching time to the normal state, possibly limited by the bandwidth of our setup, and a 10--20~ns delay in the normal to superconducting transition. However, having a significant capacitance between the gate and the device allows for a novel operation, where the displacement current, induced by the fast gate pulses, drives the transition. The switching from superconducting to the normal state yields a similar fast timescale, while in the opposite direction the switching is significantly faster (4--6~ns) than the leakage based operation, which may be further improved by better thermal design. The measured short timescales and novel switching operation open the way for future fast and low-power-consumption applications. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_17980 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Multimode operation of a superconducting nanowire switch in the nanosecond regime Scherübl, Zoltán Kocsis, Mátyás Elalaily, Tosson Kupás, Lőrinc Berke, Martin Fülöp, Gergő Kanne, Thomas Berggren, Karl Nygård, Jesper Csonka, Szabolcs Makk, Péter Mesoscale and Nanoscale Physics Superconducting circuits are promising candidates for future computational architectures, however, practical applications require fast operation. Here, we demonstrate fast, gate-based switching of an Al nanowire-based superconducting switch in time-domain experiments. We apply voltage pulses on the gate while monitoring the microwave transmission of the device. Utilizing the usual leakage-based operation these measurements yield a fast, 1--2~ns switching time to the normal state, possibly limited by the bandwidth of our setup, and a 10--20~ns delay in the normal to superconducting transition. However, having a significant capacitance between the gate and the device allows for a novel operation, where the displacement current, induced by the fast gate pulses, drives the transition. The switching from superconducting to the normal state yields a similar fast timescale, while in the opposite direction the switching is significantly faster (4--6~ns) than the leakage based operation, which may be further improved by better thermal design. The measured short timescales and novel switching operation open the way for future fast and low-power-consumption applications. |
| title | Multimode operation of a superconducting nanowire switch in the nanosecond regime |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2502.17980 |