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SIS Detectors for Terahertz Photon Counting System.

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Title: SIS Detectors for Terahertz Photon Counting System.
Authors: Ezawa, Hajime1 h.ezawa@nao.ac.jp, Matsuo, Hiroshi1, Ukibe, Masahiro2, Fujii, Go2, Shiki, Shigetomo2
Source: Journal of Low Temperature Physics. Jul2016, Vol. 184 Issue 1/2, p244-249. 6p.
Subjects: Photon counting, Intensity interferometers, Interferometers, Astronomical observations, Electric circuits, Superconducting junction devices, Tunnel junctions (Materials science)
Abstract: 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. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Low Temperature Physics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: <searchLink fieldCode="AR" term="%22Ezawa%2C+Hajime%22">Ezawa, Hajime</searchLink><relatesTo>1</relatesTo><i> h.ezawa@nao.ac.jp</i><br /><searchLink fieldCode="AR" term="%22Matsuo%2C+Hiroshi%22">Matsuo, Hiroshi</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ukibe%2C+Masahiro%22">Ukibe, Masahiro</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Fujii%2C+Go%22">Fujii, Go</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Shiki%2C+Shigetomo%22">Shiki, Shigetomo</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Low+Temperature+Physics%22">Journal of Low Temperature Physics</searchLink>. Jul2016, Vol. 184 Issue 1/2, p244-249. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Photon+counting%22">Photon counting</searchLink><br /><searchLink fieldCode="DE" term="%22Intensity+interferometers%22">Intensity interferometers</searchLink><br /><searchLink fieldCode="DE" term="%22Interferometers%22">Interferometers</searchLink><br /><searchLink fieldCode="DE" term="%22Astronomical+observations%22">Astronomical observations</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+circuits%22">Electric circuits</searchLink><br /><searchLink fieldCode="DE" term="%22Superconducting+junction+devices%22">Superconducting junction devices</searchLink><br /><searchLink fieldCode="DE" term="%22Tunnel+junctions+%28Materials+science%29%22">Tunnel junctions (Materials science)</searchLink>
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  Data: 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. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Low Temperature Physics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s10909-015-1465-9
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        Text: English
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      – SubjectFull: Electric circuits
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      – SubjectFull: Superconducting junction devices
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      – SubjectFull: Tunnel junctions (Materials science)
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              Text: Jul2016
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