Thermoelectric Single-Photon Detection Through Superconducting Tunnel Junctions

被引：0
|
作者：
Paolucci, Federico [1 ]
Germanese, Gaia [2 ,3 ]
Braggio, Alessandro [3 ]
Giazotto, Francesco [3 ]
机构：
[1] INFN Sez Pisa, Largo B Pontecorvo 3, I-56127 Pisa, Italy
[2] Univ Pisa, Dept Phys E Fermi, Largo B Pontecorvo 3, I-56127 Pisa, Italy
[3] Scuola Normale Super Pisa, Ist Nanosci CNR, NEST, Piazza San Silvestro 12, I-56127 Pisa, Italy
来源：
JOURNAL OF LOW TEMPERATURE PHYSICS | 2024年 / 214卷 / 3-4期
关键词：
Thermoelectric detector; Single-photon; Superconducting tunnel junctions; Quantum technology;
D O I：
10.1007/s10909-023-03011-y
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Bipolar thermoelectricity in tunnel junctions between superconductors of different energy gap has been recently predicted and experimentally demonstrated. This effect showed thermovoltages up to +/- 150 mu V at milliKelvin temperatures. Thus, superconducting tunnel junctions can be exploited to realize a passive single-photon thermoelectric detector TED operating in the broadband range 15 GHz - 50 PHz. In particular, this detector is expected to show a signal-to-noise ratio of about 15 down to nu = 50 GHz and an operating window of more than 4 decades. Therefore, the TED might find applications in quantum computing, telecommunications, optoelectronics, spectroscopy and astro-particle physics.
引用
收藏
页码：86 / 91
页数：6
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