Low-noise waveguide SIS mixer with NbN/AlN/NbN tunnel junctions tuned by an NbN/MgO/NbTiN microstrip circuit
文献类型：期刊论文
| 作者 | Takeda, Masanori1; Shan, Wenlei2; Kojima, Takafumi3,4; Saito, Shingo1; Kroug, Matthias4; Uzawa, Yoshinori4; Wang, Zhen1 |
| 刊名 | SUPERCONDUCTOR SCIENCE & TECHNOLOGY
 |
| 出版日期 | 2009-07-01 |
| 卷号 | 22期号:7页码:075015' |
| 关键词 | INSULATOR-SUPERCONDUCTOR MIXERS TUNING CIRCUITS CURRENT DENSITY TEMPERATURE MILLIMETER RECEIVER FILMS |
| ISSN号 | 0953-2048 |
| 英文摘要 | The low-noise performance of a waveguide SIS mixer with NbN/AlN/NbN tunnel junctions and an NbN/MgO/NbTiN tuning circuit on an MgO substrate was demonstrated at frequencies above the gap frequency of Nb. To design the mixer, the complex refractive index of the MgO substrate was measured by using a THz time-domain spectrometer. The superconductive properties of NbTiN films on MgO were examined in detail. An uncorrected receiver noise temperature of 262 K (DSB) at 820 GHz was achieved in an IF bandwidth of 4-12 GHz at a bath temperature of 4.2 K. By comparing the measured and calculated conversion gains, the loss in the NbN/MgO/NbTiN tuning circuit was estimated to be 0.98 dB at 810 GHz. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 学科主题 | Physics |
| 类目[WOS] | Physics, Applied ; Physics, Condensed Matter |
| 研究领域[WOS] | Physics |
| 关键词[WOS] | INSULATOR-SUPERCONDUCTOR MIXERS ; TUNING CIRCUITS ; CURRENT DENSITY ; TEMPERATURE ; MILLIMETER ; RECEIVER ; FILMS |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000267291300016 |
| 公开日期 | 2011-12-08 |
| 源URL | [http://159.226.72.40/handle/332002/1687]  |
| 专题 | 紫金山天文台_毫米波和亚毫米波技术实验室 |
| 作者单位 | 1.Natl Inst Informat & Commun Technol, Kobe Adv ICT Res Ctr, Nishi Ku, Kobe, Hyogo 6512492, Japan 2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China 3.Osaka Prefecture Univ, Dept Phys Sci, Osaka 5998531, Japan 4.Natl Inst Nat Sci, Natl Astron Observ Japan, Mitaka, Tokyo 1818588, Japan |
| 推荐引用方式 GB/T 7714 | Takeda, Masanori,Shan, Wenlei,Kojima, Takafumi,et al. Low-noise waveguide SIS mixer with NbN/AlN/NbN tunnel junctions tuned by an NbN/MgO/NbTiN microstrip circuit[J]. SUPERCONDUCTOR SCIENCE & TECHNOLOGY,2009,22(7):075015'. |
| APA | Takeda, Masanori.,Shan, Wenlei.,Kojima, Takafumi.,Saito, Shingo.,Kroug, Matthias.,...&Wang, Zhen.(2009).Low-noise waveguide SIS mixer with NbN/AlN/NbN tunnel junctions tuned by an NbN/MgO/NbTiN microstrip circuit.SUPERCONDUCTOR SCIENCE & TECHNOLOGY,22(7),075015'. |
| MLA | Takeda, Masanori,et al."Low-noise waveguide SIS mixer with NbN/AlN/NbN tunnel junctions tuned by an NbN/MgO/NbTiN microstrip circuit".SUPERCONDUCTOR SCIENCE & TECHNOLOGY 22.7(2009):075015'. |
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来源：紫金山天文台
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