Shunted Josephson Junctions and Optimization of Niobium Integrated Matching Circuits

S., None Shevchenko M.; Atepalikhin, Artemiy A.; Khan, Fedor V; Filippenko, L. V.; Chekushkin, Artem; Koshelets, V. P.

doi:10.1109/tasc.2021.3130103

Cited by 7 publications

(3 citation statements)

References 17 publications

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“…The internal radius of the SIN-transition is determined by the radius of the SIS-transition, the external one is selected taking into account the required resistance. More detailed description of the manufacturing technology and first results can be found in [5].…”

Section: Introductionmentioning

confidence: 99%

Josephson tunnel junctions with integral SIN shunting.

Filippenko

Kiselev

et al. 2022

Physics of the Solid State

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This work is devoted to the study of tunnel Josephson superconductor-insulator-superconductor (SIS) junctions with a new type of shunting based on the usage of an additional superconductor-insulator-normal metal (NIS) junction located around the SIS junction. Numerical calculations of the parameters of such shunted junctions were carried out and modeling of their IVC (current-voltage characteristics) was performed. The designed samples were manufactured, their parameters were studied. To investigate the behavior of junctions under the influence of high-frequency signals in the sub-THz range, their IVCs were measured. Keywords: Superconducting devices, superconductor-insulator-superconductor tunnel junction, Josephson effect, shunting of Josephson junctions.

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Section: Introductionmentioning

confidence: 99%

Josephson tunnel junctions with integral SIN shunting.

Filippenko

Kiselev

et al. 2022

Physics of the Solid State

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“…Внутренний радиус СИН-перехода определяется радиусом СИС-перехода, внешний -выбирается с учетом необходимого сопротивления. Более подробное описание технологии изготовления и первые результаты содержатся в [5].…”

Section: Introductionunclassified

Джозефсоновские Туннельные Переходы С Интегральным Син-Шунтированием

Шевченко¹,

Филиппенко²,

Kiselev³

et al. 2022

Физика Твердого Тела

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“…The process of their modernization consists in optimizing the design of the constituent elements and selecting the parameters of the transmission line, such as the thickness and material of the dielectric layer, the geometric dimensions of the structural elements, detector characteristics and temperature. Structure optimization is carried out at the design stage of the device using existing models that take into account the penetration of a magnetic field into superconductor, as well as losses in niobium electrodes at voltages of the order of and above the gap voltage [3].…”

Section: Introductionmentioning

confidence: 99%

Influence of transmission line parameters on the degree of matching of the generator with the SIS-mixer in the frequency range 200-700 GHz

Khan

Filippenko

et al. 2022

Physics of the Solid State

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This work is aimed at the development, research and optimization of superconducting integrated circuits designed to match the impedances of a long Josephson junction generator, the so-called flux generator (FFO) and a superconductor--insulator--superconductor (SIS) detector in the sub-terahertz frequency range. Numerical calculations of integrated circuits designed to optimize the parameters of transmission lines are presented. The main parameters of the lines and their influence on signal propagation are determined. The results of optimization of integrated matching circuits in the range of 450-700 GHz are demonstrated. Keywords: integrated matching circuits, Josephson junctions, sub-terahertz generator.

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Shunted Josephson Junctions and Optimization of Niobium Integrated Matching Circuits

Cited by 7 publications

References 17 publications

Josephson tunnel junctions with integral SIN shunting.

Josephson tunnel junctions with integral SIN shunting.

Джозефсоновские Туннельные Переходы С Интегральным Син-Шунтированием

Influence of transmission line parameters on the degree of matching of the generator with the SIS-mixer in the frequency range 200-700 GHz

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