QUASI-OPTICAL JOSEPHSON-JUNCTION OSCILLATOR ARRYAS

被引：10

作者：

Stern, J. A. ^{[1
]}

LeDuc, H. G. ^{[1
]}

Zmuidzinas, J. ^{[2
]}

机构：

[1] CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA

[2] CALTECH, 4800 Oak Grove Dr, Pasadena, CA 91109 USA

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1993年 / 3卷 / 01期

关键词：

D O I：

10.1109/77.233960

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：

Josephson junctions are natural voltage-controlled oscillators capable of generating submillimeter-wavelength radiation, but a single junction usually can produce only 100 nW of power and often has a broad spectral linewidth. We are investigating twodimensional quasi-optical power combining arrays of 10(3) and 10(4) NbN/MgO/NbN and Nb/Al-AlOx/Nb junction to overcome these limitations. The junctions are DC biased in parallel and are distributed along interdigitated lines. The arrays couple to a resonant mode of a Fabry-Perot cavity to achieve mutual phase-locking. Devices have been produced, and the I-V characteristics of these arrays have been measured, but not as of now in the Fabry-Perot cavity. In this paper, the important features of the design and the critical device properties are discussed.

引用

页码：2485 / 2488

页数：4

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