Self-Emission From Arrays of Overdamped Josephson Junctions

被引：4
|
作者：
Song, Fengbin [1 ,2 ,3 ]
Mueller, Franz [4 ]
Behr, Ralf [4 ]
Fang, Lan [3 ]
Klushin, Alexander M. [1 ,2 ]
机构：
[1] Forschungszentrum Julich GmbH, Inst Bio & Nanosyst, D-52425 Julich, Germany
[2] Forschungszentrum Julich GmbH, JARA Fundamentals Future Informat Technol, D-52425 Julich, Germany
[3] Nankai Univ, Dept Elect, Tianjin 300071, Peoples R China
[4] Phys Tech Bundesanstalt, D-38116 Braunschweig, Germany
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2011年 / 21卷 / 03期
关键词：
Dielectric resonator antenna; Josephson junction; off-chip detection; self-emission; RADIATION; AC; TECHNOLOGY;
D O I：
10.1109/TASC.2010.2097233
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：
Two self-emission peaks around 75 GHz and 80 GHz were observed from a series array of 7500 overdamped Josephson junctions. They originated from two corresponding resonant modes of the junction substrate served as a dielectric resonator antenna. With decreasing the operation temperature, the emission power was improved due to the increase in the critical current and the suppression of the Joule heating. Based on this method, it is promising to apply Josephson junctions as compact oscillators in terahertz frequency range.
引用
收藏
页码：315 / 318
页数：4
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