Granular Aluminum Parametric Amplifier for Low-Noise Measurements in Tesla Fields
Fuente:
arXiv
Gespeichert in:
| Hauptverfasser: | , , , , , , , , , , |
|---|---|
| Format: | Preprint |
| Veröffentlicht: |
2024
|
| Schlagworte: | |
| Online-Zugang: | |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| _version_ | 1866912244788363264 |
|---|---|
| author | Zapata, Nicolas Takmakov, Ivan Günzler, Simon Geisert, Simon Ihssen, Soeren Field, Mitchell Nambisan, Ameya Rieger, Dennis Reisinger, Thomas Wernsdorfer, Wolfgang Pop, Ioan M. |
| author_facet | Zapata, Nicolas Takmakov, Ivan Günzler, Simon Geisert, Simon Ihssen, Soeren Field, Mitchell Nambisan, Ameya Rieger, Dennis Reisinger, Thomas Wernsdorfer, Wolfgang Pop, Ioan M. |
| contents | Josephson junction parametric amplifiers have become essential tools for microwave quantum circuit readout with minimal added noise. Even after improving at an impressive rate in the last decade, they remain vulnerable to magnetic field, which limits their use in many applications such as spin qubits, Andreev and molecular magnet devices, dark matter searches, etc. Kinetic inductance materials, such as granular aluminum (grAl), offer an alternative source of non-linearity with innate magnetic field resilience. We present a non-degenerate amplifier made of two coupled grAl resonators resilient to in-plane magnetic field up to 1 T. It offers 20 dB of gain close to the quantum limit of added noise, with a gain-bandwidth product of 28 MHz and -110 dBm input saturation power. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_10669 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Granular Aluminum Parametric Amplifier for Low-Noise Measurements in Tesla Fields Zapata, Nicolas Takmakov, Ivan Günzler, Simon Geisert, Simon Ihssen, Soeren Field, Mitchell Nambisan, Ameya Rieger, Dennis Reisinger, Thomas Wernsdorfer, Wolfgang Pop, Ioan M. Quantum Physics Josephson junction parametric amplifiers have become essential tools for microwave quantum circuit readout with minimal added noise. Even after improving at an impressive rate in the last decade, they remain vulnerable to magnetic field, which limits their use in many applications such as spin qubits, Andreev and molecular magnet devices, dark matter searches, etc. Kinetic inductance materials, such as granular aluminum (grAl), offer an alternative source of non-linearity with innate magnetic field resilience. We present a non-degenerate amplifier made of two coupled grAl resonators resilient to in-plane magnetic field up to 1 T. It offers 20 dB of gain close to the quantum limit of added noise, with a gain-bandwidth product of 28 MHz and -110 dBm input saturation power. |
| title | Granular Aluminum Parametric Amplifier for Low-Noise Measurements in Tesla Fields |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2403.10669 |