Bimodal Approach for Noise Figures of Merit Evaluation in Quantum-Limited Josephson Traveling Wave Parametric Amplifiers

Bimodal Approach for Noise Figures of Merit Evaluation in Quantum-Limited Josephson Traveling Wave Parametric Amplifiers

The advent of ultra-low noise microwave amplifiers revolutionized several research fields demanding quantum-limited technologies. Exploiting a theoretical bimodal description of a linear phase-preserving amplifier, in this contribution we analyze some of the intrinsic properties of a model architect...

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Veröffentlicht in:IEEE transactions on applied superconductivity 2022-06, Vol.32 (4), p.1-6
Hauptverfasser: Fasolo, L., Barone, C., Borghesi, M., Carapella, G., Caricato, A. P., Carusotto, I., Chung, W., Cian, A., Gioacchino, D. Di, Enrico, E., Falferi, P., Faverzani, M., Ferri, E., Filatrella, G., Gatti, C., Giachero, A., Giubertoni, D., Greco, A., Kutlu, C., Leo, A., Ligi, C., Livreri, P., Maccarrone, G., Margesin, B., Maruccio, G., Matlashov, A., Mauro, C., Mezzena, R., Monteduro, A. G., Nucciotti, A., Oberto, L., Pagano, S., Pierro, V., Piersanti, L., Rajteri, M., Rettaroli, A., Rizzato, S., Semertzidis, Y. K., Uchaikin, S., Vinante, A.
Format: Artikel
Sprache:eng
Schlagworte:
Amplification
Bandwidth
Gain
Linear phase
Low noise
Microwave amplifiers
Microwave photonics
Noise
Noise figure
Noise generation
Parametric amplifiers
Physics
Superconducting microwave devices
Thermal noise
Traveling waves
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Zusammenfassung:The advent of ultra-low noise microwave amplifiers revolutionized several research fields demanding quantum-limited technologies. Exploiting a theoretical bimodal description of a linear phase-preserving amplifier, in this contribution we analyze some of the intrinsic properties of a model architecture (i.e., an rf-SQUID based Josephson Traveling Wave Parametric Amplifier) in terms of amplification and noise generation for key case study input states (Fock and coherent). Furthermore, we present an analysis of the output signals generated by the parametric amplification mechanism when thermal noise fluctuations feed the device.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2022.3148692