Nonlinear Quantum Processes in Superconducting Resonators Terminated by Neon-Focused-Ion-Beam-Fabricated Superconducting Nanowires

Nonlinear Quantum Processes in Superconducting Resonators Terminated by Neon-Focused-Ion-Beam-Fabricated Superconducting Nanowires
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由氖聚焦离子束制造的超导纳米线终止的超导谐振器中的非线性量子过程

DOI:
10.1109/tasc.2020.3018545
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发表时间:
2020
影响因子:
1.8
通讯作者:
Potter J
Potter J
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Potter J

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我们已经使用了氖聚焦离子束来制造纳米级NbDayem桥和NbN相位滑移纳米线位于四分之一波长共面波导谐振器的短路端。在300 mK时,达耶姆电桥器件的磁通可调谐性和内在品质因数超过10 000,局部磁场至少为60 mT。NbN纳米线显示出在300 mK的通量的非相干量子隧穿的签名。
We have used a neon focused-ion-beam to fabricate both nanoscale Nb Dayem bridges and NbN phase-slip nanowires located at the short-circuited end of quarter-wavelength coplanar waveguide resonators. The Dayem bridge devices show flux-tunability and intrinsic quality factor exceeding 10 000 at 300 mK up to local fields of at least 60 mT. The NbN nanowires show signatures of incoherent quantum tunneling of flux at 300 mK.
聚焦离子束纳米约瑟夫森装置的特点
DOI: 10.1088/0953-2048/22/6/064011
发表时间: 2009
影响因子: 3.6
作者:
L. Hao;D. Cox;J. Gallop
通讯作者: J. Gallop
DOI: 10.1116/1.3511509
发表时间: 2010-11-01
影响因子: 1.4
作者:
Tan, Shida;Livengood, Richard;McVey, Shawn
通讯作者: McVey, Shawn