site stats

Josephson parametric amplifier thesis

Nettet1. jan. 2008 · The Josephson junction is the only electronic circuit element which remains non-linear and non-dissipative at arbitrarily low temperatures. This thesis will describe the theory and experiments... Nettet14. nov. 2024 · Microwave parametric amplifiers based on Josephson junctions have become indispensable components of many quantum information experiments. ... Schackert, “ A practical quantum-limited parametric amplifier based on the Josephson ring modulator,” Ph.D. thesis ( Yale University, 2013).

GitHub - chrismacklin/thesis: Quantum Feedback and Traveling …

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 … Nettet3. Josephson Parametric Amplifiers The first experimental realization of an AC-pumped Josephson parametric amplifier (ACPJPA) was reported in 1967 by H. Zimmer [14]. This ACPJPA consisted of a thin-film Josephson junction evaporated on a rutile resonator and was operated at 9646 MHz in the double-degenerate mode. In 1969, P. … togame 十亀 icebanon tarutoru kou タルトル航 https://gtosoup.com

Quantum-noise-limited Microwave Amplification Using A …

NettetHe previously worked in Prof. Andreas Wallraff's Quantum Device Lab for his semester thesis about dispersive readout of the qubit and Master thesis about broadband Josephson Parametric Amplifier. Läs mer om Hang-Xi Lis arbetslivserfarenhet, utbildning, kontakter med mera genom att besöka hens profil på LinkedIn NettetRT @AppliedPhysLett: Josephson parametric amplifiers with rf-SQUID arrays characterized on a 54-qubit processor, showing 100-fold improvement in dynamic … Nettet7. okt. 2024 · The thesis also contains results from microscopic studies of the Josephson junctions, which we use to provide the necessary nonlinearities in the above mentioned … togakure ryu ninpo taijutsu don roley

Design and Measurement Of A Josephson Traveling Wave …

Category:Graphene-based superconducting quantum circuits : the Josephson ...

Tags:Josephson parametric amplifier thesis

Josephson parametric amplifier thesis

Applied Physics Letters on Twitter: "Josephson parametric …

Nettet22. sep. 2024 · Abstract. We present an analysis of wave mixing in the recently developed Josephson traveling-wave parametric amplifier (JTWPA). Circuit simulations … NettetJosephson junction based parametric amplifiers are used to read out the state of superconducting qubits with high fidelity. These amplifiers are themselves supe …

Josephson parametric amplifier thesis

Did you know?

NettetDie Physikalisch-Technische Bundesanstalt (PTB), Braunschweig und Berlin, ist das nationale Metrologie-Institut mit wissenschaftlich-technischen Dienstleistungsaufgaben. Sie misst mit höchster Genauigkeit und Zuverlässigkeit – Metrologie als Kernkompetenz. Nettet4. des. 2014 · Broadband traveling-wave parametric amplifiers based both on the nonlinear kinetic inductance of superconducting thin films and on Josephson junctions are in development. By modifying the dispersion property of the amplifier circuit, referred to as dispersion engineering, the gain can be greatly enhanced and the size can be reduced.

NettetIn this thesis, I describe the development of an amplifier, based on a Josephson parametric amplifier. This new parametric amplifier enables this kind of efficient … NettetJosephson Parametric Amplifiers with Lumped-Element Coupled Resonators (Master's thesis) A. Rubio Abadal, ETH Zurich, 2015 Towards continuous wave Rydberg …

NettetQuantum Device Lab Nettet1. jun. 2024 · While Josephson Parametric Amplifiers (JPAs) provide near quantum-limited noise performance and high gain, they are based on resonant elements and have a fixed gain-bandwidth product which is set ...

Nettet3. jan. 2024 · We demonstrate a high dynamic range Josephson parametric amplifier (JPA) in which the active nonlinear element is implemented using an array of rf-SQUIDs. The device is matched to the 50 Ω environment with a Klopfenstein-taper impedance transformer and achieves a bandwidth of 250–300 MHz with input saturation powers up …

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 … togami and tokoNettetAbstract: Josephson junction based parametric amplifiers are used to read out the state of superconducting qubits with high fidelity. These amplifiers are themselves superconducting circuits operating at temperatures of tens of millikelvin. togan sivriNettet7. feb. 2024 · We introduce a near-quantum-limited amplifier with a large tunable bandwidth and high dynamic range---the Josephson array-mode parametric amplifier … togani cahyadi upomoNettet@@ We study a femtosecond Ti:sapphire laser pumped optical parametric amplifier (OPA) at 1053nm. The OPA generates stable signal pulses with duration smaller than 100 fs, wavelength drift smaller tha toganivalu lawyersNettet14. nov. 2024 · Microwave parametric amplifiers based on Josephson junctions have become indispensable components of many quantum information experiments. ... togano trackNettetThis thesis theoretically and experimentally studies the method of quantum-limited Josephson parametric amplification for improving such microwave measurements. A theoretical analysis of parametric amplification with a nonlinear quantum oscillator is given, along with an analysis of a particular implementation with a superconducting … toganivaluNettetMaster Thesis project 2024 Experimental characterization of a Josephson Traveling Wave Parametric Amplifier (TWPA) Project supervisor: Dr. Martina Esposito, CNR … toganji