嵌入Fabry-Perot谐振腔的Tl-2212双晶约瑟夫森结的特性

广西师范大学学报（自然科学版） ›› 2011, Vol. 29 ›› Issue (2): 10-14.

嵌入Fabry-Perot谐振腔的Tl-2212双晶约瑟夫森结的特性

岳宏卫^1,2, 谢清连³, 韦保林¹, 晋良念¹, 谢跃雷¹, 李琦¹, 周茜¹

1.桂林电子科技大学信息与通信学院,广西桂林541004;
2.南开大学电子系,天津300071;
3.广西师范学院物理与电子工程学院,广西南宁530001

收稿日期:2011-01-14 发布日期:2018-11-19
通讯作者: 岳宏卫(1967—),男,广西贺州人,桂林电子科技大学副教授,博士。E-mail:guetyhw@163.com
基金资助:
国家高技术研究发展计划(863)项目(2006AA03Z213)

Characteristics of Tl-2212 Bicrystal Josephson Junction Embedded in a Fabry-Perot Resonator

YUE Hong-wei^1,2, XIE Qing-lian³, WEI Bao-lin¹, JIN Liang-nian¹, XIE Yue-lei¹, LI Qi¹, ZHOU Qian¹

1.School of Information and Communication,Guilin University of Electronic Technology,Guilin Guangxi 541004, China;
2.Department of Electronics,Nankai University,Tianjin 300071,China;
3.College of Physics and Electronic Engineering,Guangxi Teachers EducationUniversity, Nanning Guangxi 530001,China

Received:2011-01-14 Published:2018-11-19

摘要/Abstract

摘要： 采用嵌入Fabry-Perot谐振腔的方式,测量并研究Tl₂Ba₂CaCu₂O₈(Tl-2212)高温超导薄膜双晶约瑟夫森结的毫米波辐照特性。通过精细调节谐振腔的各种参数,可使双晶约瑟夫森结与外加毫米波达到最佳耦合,在最佳耦合情况下,能观察到5级明显的夏皮罗台阶。初步测量了由667个双晶约瑟夫森结组成的串联结阵列的毫米波辐射特性,得到中心频率为78.7 GHz,大约6 pW的辐射功率。

关键词: 高温超导薄膜, Fabry-Perot谐振腔, 约瑟夫森结, 夏皮罗台阶

Abstract: The mm-wave irradiation characteristics of Tl₂Ba₂CaCu₂O₈ (Tl-2212),a high temperature superconducting thin film bicrystalJosephson junction embedded in a hemispherical Fabry-Perot resonator,is studied.The optimized coupling between Josephson junction and applied microwave is achieved by subtle adjustment of the various factors of resonator.5 orders distinct Shapiro steps are observed.The radiation property of serial array consistingof 667 bicrystal Josephson junctions is measured and the radiation power is approximately 6 pW at 78.7 GHz center frequency.

Key words: high temperature superconducting thin film, Fabry-Perot resonator, Josephson junction, Shapiro step

中图分类号:

O511.9

岳宏卫, 谢清连, 韦保林, 晋良念, 谢跃雷, 李琦, 周茜. 嵌入Fabry-Perot谐振腔的Tl-2212双晶约瑟夫森结的特性[J]. 广西师范大学学报（自然科学版）, 2011, 29(2): 10-14.

YUE Hong-wei, XIE Qing-lian, WEI Bao-lin, JIN Liang-nian, XIE Yue-lei, LI Qi, ZHOU Qian. Characteristics of Tl-2212 Bicrystal Josephson Junction Embedded in a Fabry-Perot Resonator[J]. Journal of Guangxi Normal University(Natural Science Edition), 2011, 29(2): 10-14.

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