Nettet8. nov. 2024 · The amplification chain consists of a nondegenerate Josephson parametric amplifier (JPA) and a cryogenic HEMT amplifier. Narrowband coherent states can be applied via a microwave source and... Nettet30. jun. 2014 · The use of a point contact Josephson junction as a parametric amplifier was studied at 9 GHz. The junction used in the experiments was a two-hole RF-biased SQUID (Superconducting Quantum Interference Device) and the pump frequency was close to the signal frequency. The total gain achieved was 10 dB with a bandwidth of 3 …
Traveling wave parametric amplifier based on left - handed …
Nettet24. feb. 2024 · Using this easily prepared architecture, we design and fabricate a broadband Josephson parametric amplifier, which has gain in an excess of 20 dB with a bandwidth of hundreds of MHz. Furthermore, by varying the working point of the device, the operating frequency of amplification can be tuned in a wide frequency range of 1 … Nettet2. mai 2016 · The amplification process arises from the dispersive nonlinearity of Josephson junctions driven with appropriate tones. We discuss two defining … locke\u0027s irish whiskey
Capturing Complex Behavior in Josephson Traveling-Wave …
Nettet11. apr. 2024 · In this paper, we report a flux-driven Josephson par-ametric amplifier (JPA) fabricated using the Nb/AlOx/Nb Josephson junction process. The JPA consists of a parallel-plate type coupling capacitor and quarter-wavelength resonator terminated with a DC-SQUID. We adopt a simple 4-layer process using well-estab-lished Nb trilayer … Nettet21. apr. 2024 · Figure 1. The saturation power for the JRM-based Josephson parametric amplifier with various JRM inductance ratio β and participation ratio p is shown in panel (a). The amplifier has a sweet spot, in which saturation power is maximal, in the low-β and intermediate-p regime.Optimizing β and p, we find saturation power of P ± 1 dB ∼ − … Nettet14. okt. 2024 · Modeling of Josephson Traveling Wave Parametric Amplifiers Abstract: The recent developments in quantum technologies, as well as advanced detection … indian turmeric scientific name