Fabry-Perot filters with tunable Josephson junction defects

被引：8

作者：

Pierro, Vincenzo ^{[1
]}

Filatrella, Giovanni ^{[2
]}

机构：

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

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

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2015年 / 517卷

关键词：

Josephson devices; Superconducting infrared; Submillimeter and millimeter wave detectors; Filters; Nonlinear waveguides; EMISSION; ARRAYS;

D O I：

10.1016/j.physc.2015.07.010

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We propose to take advantage of the properties of long Josephson junctions to realize a frequency variable Fabry-Perot filter that operates in the range 100-500 GHz with a bandwidth below 1 GHz. In fact, we show that it is possible to exploit the tunability of the effective impedance of the Josephson component, that is controlled by a dc bias, to tune, up to 10% of the central frequency, the resonance of the system. An analysis of the linearized system indicates the range of operation and the main characteristic parameters. Numerical simulations of the full nonlinear Josephson element confirm the behavior expected from the linear approximation. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：37 / 40

页数：4

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