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

页码：86 / 91

页数：6

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