Integrated quantum voltage noise source for Johnson noise thermometry

Integrated quantum voltage noise source for Johnson noise thermometry
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DOI:
10.1088/1742-6596/507/4/042023
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发表时间:
2014-05
期刊:
Journal of Physics: Conference Series
影响因子:
--
通讯作者:
M. Maezawa;Takahiro Yamada;C. Urano
M. Maezawa;Takahiro Yamada;C. Urano
中科院分区:
其他
文献类型:
--
作者:
M. Maezawa;Takahiro Yamada;C. Urano

文献摘要

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我们为热计量中的约翰逊噪声测温(JNT)技术开发了一种新的量子电压噪声源(QVNS)--集成QVNS(IQVNS)。我们设计了一个基于快速单通量量子(RSFQ)技术的IQVNS芯片。用傅里叶分析方法导出了输出功率谱的一般公式,表明该谱是可以计算的,误差很小,可用于实际的JNT测量。
We have been developing a new implementation of quantum voltage noise source (QVNS), an integrated QVNS (IQVNS), for Johnson noise thermometry (JNT) in thermal metrology. We designed an IQVNS chip based on rapid single flux quantum (RSFQ) technology. A general formula for the output power spectrum has been derived by using a Fourier analysis method, which shows that the spectrum is calculable with sufficiently small errors for practical JNT measurements.