Characterization of a Wide-Band Single-Photon Detector Based on Transition-Edge Sensor
A superconducting transition-edge sensor (TES) as a microcalorimeter detects incoming photons by measuring heat converted from photon energy. With high resolving power and low noise levels, a TES is sensitive to single photons and able to count photons within a wide spectral band from X-ray to near-...
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MDPI AG
2025-06-01
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| Series: | Photonics |
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| Online Access: | https://www.mdpi.com/2304-6732/12/6/609 |
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| author | Jingkai Xia Shuo Zhang Bingjun Wu |
| author_facet | Jingkai Xia Shuo Zhang Bingjun Wu |
| author_sort | Jingkai Xia |
| collection | DOAJ |
| description | A superconducting transition-edge sensor (TES) as a microcalorimeter detects incoming photons by measuring heat converted from photon energy. With high resolving power and low noise levels, a TES is sensitive to single photons and able to count photons within a wide spectral band from X-ray to near-infrared. We have developed a TES detector aiming at soft X-ray spectroscopy applications. In this work, the performance of this detector is characterized. It is shown that the energy resolution of this detector is about 1.8 eV for 1.5 keV photons. The good resolution is also kept in visible range, enabling photon-number resolving for 405 nm photons. |
| format | Article |
| id | doaj-art-610e5ba9968741c68ef5da8f9baaba68 |
| institution | Kabale University |
| issn | 2304-6732 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Photonics |
| spelling | doaj-art-610e5ba9968741c68ef5da8f9baaba682025-08-20T03:27:22ZengMDPI AGPhotonics2304-67322025-06-0112660910.3390/photonics12060609Characterization of a Wide-Band Single-Photon Detector Based on Transition-Edge SensorJingkai Xia0Shuo Zhang1Bingjun Wu2Key Laboratory for Particle Astrophysics and Cosmology, Ministry of Education (MoE), Shanghai 201210, ChinaAdvanced Energy Science and Technology Guangdong Provincial Laboratory, Huizhou 516007, ChinaShanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, ChinaA superconducting transition-edge sensor (TES) as a microcalorimeter detects incoming photons by measuring heat converted from photon energy. With high resolving power and low noise levels, a TES is sensitive to single photons and able to count photons within a wide spectral band from X-ray to near-infrared. We have developed a TES detector aiming at soft X-ray spectroscopy applications. In this work, the performance of this detector is characterized. It is shown that the energy resolution of this detector is about 1.8 eV for 1.5 keV photons. The good resolution is also kept in visible range, enabling photon-number resolving for 405 nm photons.https://www.mdpi.com/2304-6732/12/6/609single-photon detectorsuperconducting transition-edge sensorenergy resolutionphoton-number resolving |
| spellingShingle | Jingkai Xia Shuo Zhang Bingjun Wu Characterization of a Wide-Band Single-Photon Detector Based on Transition-Edge Sensor Photonics single-photon detector superconducting transition-edge sensor energy resolution photon-number resolving |
| title | Characterization of a Wide-Band Single-Photon Detector Based on Transition-Edge Sensor |
| title_full | Characterization of a Wide-Band Single-Photon Detector Based on Transition-Edge Sensor |
| title_fullStr | Characterization of a Wide-Band Single-Photon Detector Based on Transition-Edge Sensor |
| title_full_unstemmed | Characterization of a Wide-Band Single-Photon Detector Based on Transition-Edge Sensor |
| title_short | Characterization of a Wide-Band Single-Photon Detector Based on Transition-Edge Sensor |
| title_sort | characterization of a wide band single photon detector based on transition edge sensor |
| topic | single-photon detector superconducting transition-edge sensor energy resolution photon-number resolving |
| url | https://www.mdpi.com/2304-6732/12/6/609 |
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