Subquantum limit dc Josephson parametric amplifier

被引：0
|
作者：
Jeffery, Mark [1 ]
Goto, Eiichi [1 ]
机构：
[1] Inst of Physical and Chemical, Research (RIKEN), Saitama, Japan
来源：
Cryogenics | 1994年 / 34卷 / Suppl期
基金：
日本科学技术振兴机构;
关键词：
Differential equations - Electric network analysis - Equivalent circuits - Magnetic field measurement - Mathematical models - Parametric amplifiers - Quantum theory;
D O I：
10.1016/0011-2275(94)90076-0
中图分类号：
学科分类号：
摘要：
A new dc Josephson Inductive Kinetic Amplifier (IKA) has been proposed to measure weak magnetic fields with high sensitivity. In the present work the quantum noise intrinsic to the device is analyzed at 4.2 K and we show that the IKA is capable of subquantum limit measurement of dC magnetic fields.
引用
收藏
页码：899 / 902
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