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Journal of Low Temperature Physics

, Volume 193, Issue 3–4, pp 344–348 | Cite as

Development of a Small-Pixel Ir-TES for Optical Applications

  • Y. Miura
  • T. Irimatsugawa
  • M. Ohno
  • H. Takahashi
Article
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Abstract

We designed and fabricated a photon-number-resolving detector based on an iridium (Ir) transition-edge sensors (TES) with small timing jitter time for coherent optical communication. The current–voltage relationship of the small Ir-TES, with an effective area of 7 μm × 7 μm, was measured, and its electrothermal feedback operation was confirmed. This device had a transition temperature of 280 mK, which is higher than that of bulk Ir, because of the wide contact area.

Keywords

Transition-edge sensor Small pixel Microcalorimeter 

Notes

Acknowledgements

This work was financially supported by JSPS KAKENHI (Grant Numbers 15H02341 and 26630480).

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Nuclear Engineering and ManagementThe University of TokyoTokyoJapan

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