REGENERATIVE JOSEPHSON EFFECT DETECTOR FOR FAR-INFRARED RADIATION

被引：33

作者：

RICHARDS, PL

STERLING, SA

机构：

[1] Department of Physics, Lawrence Radiation Laboratory, University of California, Berkeley

来源：

APPLIED PHYSICS LETTERS | 1969年 / 14卷 / 12期

关键词：

D O I：

10.1063/1.1652703

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Experimental evidence is presented for feedback-narrowed far-infrared response of a point contact Josephson junction which is strongly coupled to a resonant cavity. The observed response shows high sensitivity (NEP ≲ 10-14 W/Hz) and frequency selectivity (Q ≳ 103) and so is of value as a tunable narrow-band detector of millimeter and submillimeter wave radiation. The Werthamer-Shapiro theory of the nonlinear coupling of junction current to a resonant cavity has been extended to include the effect of applied radiation at the cavity resonance frequency and is shown to account for the feedback narrowing. © 1969 The American Institute of Physics.

引用

页码：394 / &

共 9 条

[1] MICROWAVE EMMISSION FROM SUPERCONDUCTING POINT-CONTACTS - [SUPERCONDUCTING DIODES - EFFECT OF CONTACT PRESSURE - VOLTAGE STANDARDS - FUNDAMENTAL CONSTANT (E/H) MEASUREMENT - E]
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