| Zugriffsnummer | 49506 |
| Dokumenttyp | Zeitschriftenartikel |
| Peer Review | mit Peer Review |
| Sprache | Englisch |
| Titel | Vulnerability to parameter spread in Josephson traveling-wave parametric amplifiers |
| Übersetzungstitel | Anfälligkeit für Parameterstreuung in Josephson Traveling-Wave Parametric Amplifiers |
| Autor(in); Institution |
Kißling, Christoph; 2.4, Quantenelektronik, PTB-Braunschweig
Kaap, Fabian; 2.4, Quantenelektronik, PTB-Braunschweig
Dolata, Ralf; 2.4, Quantenelektronik, PTB-Braunschweig
Grünhaupt, Lukas; 2.4, Quantenelektronik, PTB-Braunschweig
|
| Quelle/Jahr | IEEE Transactions on Applied Superconductivity: 33 (2023), 5 |
| Artikelnummer | 1700106 |
| ISSN | 1558-2515 (online) ; 1051-8223 (print) ; 2378-7074 (CD-ROM) |
| DOI | |
| Verlag | New York, NY: IEEE |
| Freie Schlagworte | Superconducting electronics ; circuit analysis ; parametric amplifiers ; SQUIDs |
| Zusammenfassung | We analyze the effect of circuit parameter variation on the performance of Josephson traveling-wave parametric amplifiers (JTWPAs). Specifically, the JTWPA concept we investigate is using flux-biased nonhysteretic rf-SQUIDs in a transmission line configuration, which harnesses the three-wave mixing (3WM) regime. Dispersion engineering enables phase-matching to achieve power gain of ˜ 20 dB, while suppressing the generation of unwanted mixing processes. Two dispersion engineering concepts using a 3WM-JTWPA circuit model, i.e., resonant phase-matching (RPM) and periodic capacitance modulation (PCM), are discussed, with results potentially also applicable to four-wave-mixing (4WM) JTWPAs. We propose suitable circuit parameter sets and evaluate amplifier performance with and without circuit parameter variance using transient circuit simulations. This approach inherently takes into account microwave reflections, unwanted mixing products, imperfect phase-matching, pump depletion, etc. In the case of RPM the resonance frequency spread is critical, while PCM is much less sensitive to parameter spread. We discuss degrees of freedom to make the JTWPA circuits more tolerant to parameter spread. Finally, our analysis shows that the flux-bias point where rf-SQUIDs exhibit Kerr-free nonlinearity is close to the sweet spot regarding critical current spread. |
| Themenbereich der Metrologie | Elektrizität und Magnetismus |
| Forschungsprojekt | qBriqs: Bausteine für kryogene Quantentechnologie - Teilvorhaben: Breitbandige supraleitende Verstärker |
| Förderinformationen (1) |
Förderername: Bundesministerium für Bildung und Forschung (BMBF)
Förderer ID: 0000 0000 9090 0344 Förderer ID Typ: ISNI Förderprogramm: Quantum technologies – from basic research to market Titel der Förderung: qBriqs: Bausteine für kryogene Quantentechnologie Förderungsnummer: 13N15949 URI der Förderung: https://www.quantentechnologien.de/forschung/foerderung/enabling-technologies-fuer-die-quantentechnologien/qbriqs.html |
Zitierung
Kißling, C., Gaydamachenko, V., Kaap, F., Khabipov, M., Dolata, R., Zorin, A. B., & Grünhaupt, L. (2023). Vulnerability to parameter spread in Josephson traveling-wave parametric amplifiers. IEEE Transactions on Applied Superconductivity, 33(5). https://doi.org/10.1109/TASC.2023.3242927