Modeling of Josephson Traveling Wave Parametric Amplifiers

被引：9

作者：

Guarcello, Claudio ^{[1
,2
]}

Avallone, Guerino ^{[2
]}

Barone, Carlo ^{[1
,2
,3
]}

Borghesi, Matteo ^{[4
,5
]}

Capelli, Silvia ^{[4
,5
]}

Carapella, Giovanni ^{[1
,2
,3
]}

Caricato, Anna Paola ^{[6
,7
]}

Carusotto, Iacopo ^{[8
,9
]}

Cian, Alessandro ^{[10
,11
]}

Di Gioacchino, Daniele ^{[12
]}

Enrico, Emanuele ^{[11
,13
]}

Falferi, Paolo ^{[10
,11
,14
]}

Fasolo, Luca ^{[13
,15
]}

Faverzani, Marco ^{[4
,5
]}

Ferri, Elena ^{[4
,5
]}

Filatrella, Giovanni ^{[2
,16
]}

Gatti, Claudio ^{[12
]}

Giachero, Andrea ^{[4
,5
]}

Giubertoni, Damiano ^{[10
,11
]}

Granata, Veronica ^{[1
,2
]}

Greco, Angelo ^{[13
,15
]}

Labranca, Danilo ^{[4
,5
]}

Leo, Angelo ^{[6
,7
]}

Ligi, Carlo ^{[12
]}

Maccarrone, Giovanni ^{[12
]}

Mantegazzini, Federica ^{[10
,11
]}

Margesin, Benno ^{[10
,11
]}

Maruccio, Giuseppe ^{[6
,7
]}

Mauro, Costantino ^{[2
]}

Mezzena, Renato ^{[9
,11
]}

Monteduro, Anna Grazia ^{[6
,7
]}

Nucciotti, Angelo ^{[4
,5
]}

Oberto, Luca ^{[11
,13
]}

Origo, Luca ^{[4
,5
]}

Pagano, Sergio ^{[1
,2
,3
]}

Pierro, Vincenzo ^{[2
,17
]}

Piersanti, Luca ^{[12
]}

Rajteri, Mauro ^{[13
,18
]}

Rettaroli, Alessio ^{[12
]}

Rizzato, Silvia ^{[6
,7
]}

Vinante, Andrea ^{[10
,11
,14
]}

Zannoni, Mario ^{[4
,5
]}

机构：

[1] Univ Salerno, Phys Dept, I-84084 Fisciano, Italy

[2] Ist Nazl Fis Nucl, Grp Collegato Salerno, I-84084 Fisciano, Italy

[3] CNR SPIN Salerno Sect, I-84084 Fisciano, Italy

[4] Univ Milano Bicocca, Phys Dept, I-20126 Milan, Italy

[5] Ist Nazl Fis Nucl, Sez Milano Bicocca, I-20126 Milan, Italy

[6] Univ Salento, Math & Phys Dept, I-73100 Lecce, Italy

[7] Ist Nazl Fis Nucl, Sez Lecce, I-73100 Lecce, Italy

[8] CNR INO, I-38123 Povo, Italy

[9] Univ Trento, Phys Dept, I-38123 Povo, Italy

[10] Fdn Bruno Kessler, I-38123 Povo, Italy

[11] Ist Nazl Fis Nucl, TIFPA, I-38123 Povo, Italy

[12] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[13] INRiM Ist Nazl Ric Metrol, I-10135 Turin, Italy

[14] CNR IFN, I-38123 Povo, Italy

[15] Politecn Torino, I-10129 Turin, Italy

[16] Univ Sannio, Sci & Technol Dept, I-82100 Benevento, Italy

[17] Univ Sannio, Engn Dept, I-82100 Benevento, Italy

[18] Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2023年 / 33卷 / 01期

关键词：

Josephson junctions (J[!text type='Js']Js[!/text]); Josephson travelling wave parametric amplifiers (TWPAs); microwave amplifiers; parametric amplifiers; superconducting microwave devices;

D O I：

10.1109/TASC.2022.3214751

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The recent developments in quantum technologies, as well as advanced detection experiments, have raised the need to detect extremely weak signals in the microwave frequency spectrum. To this aim, the Josephson travelling wave parametric amplifier, a device capable of reaching the quantum noise limit while providing a wide bandwidth, has been proposed as a suitable cryogenic front-end amplifier. This work deals with the numerical study of a Josephson travelling wave parametric amplifier, without approximations regarding the nonlinearity of the key elements. In particular, we focus on the investigation of the system of coupled nonlinear differential equations representing all the cells of the Josephson travelling wave parametric amplifier, with proper input and output signals at the boundaries. The investigation of the output signals generated by the parametric amplification process explores the phase-space and the Fourier spectral analysis of the output voltage, as a function of the parameters describing the pump and signal tones that excite the device. Beside the expected behavior, i.e., the signal amplification, we show that, depending on the system operation, unwanted effects (such as pump tone harmonics, incommensurate frequency generation, and noise rise), which are not accounted for in simple linearized approaches, can be generated in the whole nonlinear system.

引用

页数：7

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