Josephson junction infrared single-photon detector

被引：62

作者：

Walsh, Evan D. ^{[1
,2
,11
]}

Jung, Woochan ^{[3
]}

Lee, Gil-Ho ^{[3
,4
]}

Efetov, Dmitri K. ^{[5
]}

Wu, Bae-Ian ^{[6
]}

Huang, K-F ^{[4
]}

Ohki, Thomas A. ^{[7
]}

Taniguchi, Takashi ^{[8
]}

Watanabe, Kenji ^{[9
]}

Kim, Philip ^{[4
]}

Englund, Dirk ^{[1
,10
]}

Fong, Kin Chung ^{[7
]}

机构：

[1] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA

[2] Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA

[3] Pohang Univ Sci & Technol, Dept Phys, Pohang 790784, South Korea

[4] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA

[5] Barcelona Inst Sci & Technol, ICFO Inst Ciencies Foton, Castelldefels 08860, Barcelona, Spain

[6] Air Force Res Lab, Wright Patterson AFB, OH 45433 USA

[7] Raytheon BBN Technol, Quantum Engn & Comp Grp Cambridge, Cambridge, MA 02138 USA

[8] Natl Inst Mat Sci, Int Ctr Mat Nanoarchitecton, Tsukuba, Ibaraki, Japan

[9] Natl Inst Mat Sci, Res Ctr Funct Mat, Tsukuba, Ibaraki, Japan

[10] MIT, Res Lab Elect, 77 Massachusetts Ave, Cambridge, MA 02139 USA

[11] Syst & Technol Res, Arlington, VA USA

来源：

SCIENCE | 2021年 / 372卷 / 6540期

基金：

欧盟地平线“2020”; 新加坡国家研究基金会;

关键词：

ZERO-VOLTAGE STATE; SUPERCONDUCTING QUBIT; DECOHERENCE; RADIATION; LIFETIME; CONTACT; LIGHT;

D O I：

10.1126/science.abf5539

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Josephson junctions are superconducting devices used as high-sensitivity magnetometers and voltage amplifiers as well as the basis of high-performance cryogenic computers and superconducting quantum computers. Although device performance can be degraded by the generation of quasiparticles formed from broken Cooper pairs, this phenomenon also opens opportunities to sensitively detect electromagnetic radiation. We demonstrate single near-infrared photon detection by coupling photons to the localized surface plasmons of a graphene-based Josephson junction. Using the photon-induced switching statistics of the current-biased device, we reveal the critical role of quasiparticles generated by the absorbed photon in the detection mechanism. The photon sensitivity will enable a high-speed, low-power optical interconnect for future superconducting computing architectures.

引用

页码：409 / +

页数：26

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