Towards local oscillators based on arrays of niobium Josephson junctions

被引：12

作者：

Galin, M. A. ^{[1
,2
]}

Klushin, A. M. ^{[1
,2
]}

Kurin, V. V. ^{[1
,2
]}

Seliverstov, S. V. ^{[3
]}

Finkel, M. I. ^{[3
]}

Goltsman, G. N. ^{[3
,4
]}

Mueller, F. ^{[5
]}

Scheller, T. ^{[5
]}

Semenov, A. D. ^{[6
]}

机构：

[1] Inst Phys Microstruct RAS, Nizhnii Novgorod 603950, Russia

[2] Lobachevsky State Univ Nizhny Novgorod, Nizhnii Novgorod 603950, Russia

[3] Moscow State Pedag Univ, Dept Phys, Moscow 119992, Russia

[4] Natl Res Univ Higher Sch Econ, Moscow 101000, Russia

[5] Phys Tech Bundesanstalt, D-38116 Braunschweig, Germany

[6] German Aerosp Ctr DLR, Inst Opt Sensor Syst, D-12489 Berlin, Germany

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 2015年 / 28卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

Josephson junctions; heterodyne receiver; local oscillator; hot-electron bolometer; SUBMILLIMETER; MILLIMETER; RADIATION; EMISSION; DESIGN;

D O I：

10.1088/0953-2048/28/5/055002

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Various applications in the field of terahertz technology are in urgent need of compact, widetunable solid-state continuous wave radiation sources with a moderate power. However, satisfactory solutions for the THz frequency range are scarce yet. Here we report on coherent radiation from a large planar array of Josephson junctions (JJs) in the frequency range between 0.1 and 0.3 THz. The external resonator providing the synchronization of JJ array is identified as a straight fragment of a single-strip-line containing the junctions themselves. We demonstrate a prototype of the quasioptical heterodyne receiver with the JJ array as a local oscillator and a hotelectron bolometer mixer.

引用

页数：7

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