SIS Detectors for Terahertz Photon Counting System

被引：8

作者：

Ezawa, Hajime ^{[1
]}

Matsuo, Hiroshi ^{[1
]}

Ukibe, Masahiro ^{[2
]}

Fujii, Go ^{[2
]}

Shiki, Shigetomo ^{[2
]}

机构：

[1] Natl Astron Observ Japan, Mitaka, Tokyo 1818588, Japan

[2] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan

来源：

JOURNAL OF LOW TEMPERATURE PHYSICS | 2016年 / 184卷 / 1-2期

关键词：

Superconducting tunnel junction; Terahertz detector; Intensity interferometer; PERFORMANCE;

D O I：

10.1007/s10909-015-1465-9

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

An Intensity interferometer with photon counting detector is a candidate to realize a THz interferometer for astronomical observations. We have demonstrated that synthesis imaging is possible even with intensity interferometers. An SIS junction (or STJ) with low leakage current of 1 pA is a suitable device for photon counting detectors. Readout circuit utilizing FETs with low gate leakage, low gate capacitance, and fast response is discussed.

引用

页码：244 / 249

页数：6

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