Josephson traveling-wave parametric amplifier
Nettet22. sep. 2024 · Quantum-limited microwave parametric amplifiers are genuine key pillars for rising quantum technologies and, in general, for applications that rely on the … Nettet4. des. 2014 · Broadband traveling-wave parametric amplifiers based both on the nonlinear kinetic inductance of superconducting thin films and on Josephson junctions …
Josephson traveling-wave parametric amplifier
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Nettet1. apr. 2024 · Josephson TWPAs are very efficient at amplification and need low pump powers to operate. Similar pump power (~ −75 dBm) was used at the input of the TWPA to obtain optimal gain profiles at...
Nettet16. okt. 2015 · Here we introduce a superconducting amplifier based on a Josephson junction transmission line. Unlike current standing-wave parametric amplifiers, this traveling wave architecture robustly achieves high gain over a bandwidth of several gigahertz with sufficient dynamic range to read out 20 superconducting qubits. Nettet23. okt. 2024 · We develop a concept for a traveling-wave parametric amplifier driven by a magnetic flux wave. The circuit consists of a serial array of symmetric dc …
Nettetquantum systems, including superconducting and spin qubits [1]. In particular traveling wave parametric amplifiers are promising due to their large gain over a broad range of frequencies and high dynamic range [2]. The large bandwidth of TWPA is achieved by using long transmission line made of nonlinear superconducting elements, which can be ... Nettet12. sep. 2016 · Abstract We develop a concept of the traveling-wave Josephson parametric amplifier exploiting quadratic nonlinearity of a serial array of one-junction superconducting quantum interference devices (SQUIDs) embedded in a superconducting transmission line.
Nettet6. okt. 2014 · Using “resonant phase matching,” we design a compact superconducting device consisting of a transmission line with subwavelength resonant inclusions that simultaneously achieves a gain of 20 dB, an instantaneous bandwidth of 3 GHz, and a saturation power of −98 dBm.
Nettet15. sep. 2024 · We report the implementation of a near-quantum-limited, traveling-wave parametric amplifier that uses three-wave mixing (3WM). To favor amplification by 3WM, we use the superconducting nonlinear asymmetric inductive element (SNAIL) loops, biased with a dc magnetic flux. fda oncolytic virusNettetFig. 1 Josephson traveling-wave parametric amplifier. ( A) Circuit diagram. The JTWPA is implemented as a nonlinear lumped-element transmission line; one unit cell consists of … frog benchesNettet4. Traveling-Wave Parametric Amplifiers A Josephson traveling-wave parametric amplifier (JTWPA) achieves unilateral and higher gain, together with improved stability and larger bandwidth, than a discrete JPA with a single Josephson junction [2, 43– 51]. The JTWPA can be realized either by connecting Josephson junctions in parallel to a ... fda on creatineNettetN2 - We present our latest experimental results on Josephson traveling wave parametric amplifiers (TWPAs) fabricated with our Nb/Al-AlOx/Nb junction process [1,2] tailored for the readout of superconducting quantum bits. Our TWPA exhibits gain in excess of 15 dB across 4-9 GHz in three-wave mixing. frog belongs to which animal groupNettet10. okt. 2024 · Download PDF Abstract: Josephson traveling wave parametric amplifiers enable the amplification of weak microwave signals close to the quantum limit with large bandwidth, which has a broad range of applications in superconducting quantum computing and in the operation of single-photon detectors. While the large bandwidth … frog belly ringNettetSimulation, design, and characterize a Josephson Traveling-Wave Parametric Amplifier (JTWPA) based on the three-wave mixing operating principle. 応募資格: Must be within 7 years of obtaining a doctoral degree at the time of hire. Employment history in the same category must be less than 5 years. frog biancaNettet3. 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 … frog bench farms