Modeling of an integrated two-stage reflective quantum amplifier

被引：0
|
作者：
Wu, Xinyu [1 ]
Huang, Rutian [1 ]
Liu, Jianshe [1 ]
Chen, Wei [1 ,2 ,3 ]
机构：
[1] Tsinghua Univ, Sch Integrated Circuits, Lab Superconducting Quantum Informat Proc, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Beijing Innovat Ctr Future Chips, Beijing 100084, Peoples R China
[3] Beijing Natl Res Ctr Informat Sci & Technol, Beijing 100084, Peoples R China
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2023年 / 610卷
关键词：
Superconducting quantum circuits; Nonreciprocal devices; Reflective quantum amplifiers; Integration;
D O I：
10.1016/j.physc.2023.1354273
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Nonreciprocal devices and quantum-limited parametric amplifiers are necessary for superconducting quantum circuits. These devices have limited performance and are independent from each other, adding losses to superconducting measurement systems. Here, an integrated two-stage reflective quantum amplifier (TRQA) is proposed. The TRQA is a chip-scale device that integrates superconducting circulators, isolators and reflective quantum amplifiers, enabling on-chip routing of microwave signals. The model of TRQA is constructed and simulated. Simulations show that TRQA is a non-reciprocal device and can be utilized as a high-gain amplifier over a certain frequency range. This device is readily integrated with superconducting quantum circuits.
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页数：6
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