Superconducting Tunnel Junctions As Mixers at 115 Ghz
Superconducting tunnel junctions have been used as the nonlinear element for mixing at a signal frequency of 115 GHz. The experimental results are compared with predictions of a theoretical analysis based on the quantum theory of mixing of J. R. Tucker. Qualitative agreement is obtained and suggesti...
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| Veröffentlicht in: | IEEE transactions on microwave theory and techniques 1981-02, Vol.29 (2), p.87-91 |
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| container_end_page | 91 |
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| container_issue | 2 |
| container_start_page | 87 |
| container_title | IEEE transactions on microwave theory and techniques |
| container_volume | 29 |
| creator | Dolan, G.J. Linke, R.A. Sollner, T.C.L.G. Woody, D.P. Phillips, T.G. |
| description | Superconducting tunnel junctions have been used as the nonlinear element for mixing at a signal frequency of 115 GHz. The experimental results are compared with predictions of a theoretical analysis based on the quantum theory of mixing of J. R. Tucker. Qualitative agreement is obtained and suggestions are made for quantitative reconciliation. The junctions were small area (/spl equiv/0.4mu m/sup 2/) with normal resistances of 60 to 100 omega and capacitance approximately 20 fF. Measured sensitivity (T/ sup SSB/sub MXR/=62 K, L/sub c/=7.6 dB) implies receiver noise temperatures superior to the best receivers now in use at this frequency. |
| doi_str_mv | 10.1109/TMTT.1981.1130300 |
| format | Article |
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The experimental results are compared with predictions of a theoretical analysis based on the quantum theory of mixing of J. R. Tucker. Qualitative agreement is obtained and suggestions are made for quantitative reconciliation. The junctions were small area (/spl equiv/0.4mu m/sup 2/) with normal resistances of 60 to 100 omega and capacitance approximately 20 fF. Measured sensitivity (T/ sup SSB/sub MXR/=62 K, L/sub c/=7.6 dB) implies receiver noise temperatures superior to the best receivers now in use at this frequency.</description><subject>Capacitance</subject><subject>Frequency</subject><subject>Josephson junctions</subject><subject>Local oscillators</subject><subject>Observatories</subject><subject>Quantum mechanics</subject><subject>Superconducting device noise</subject><subject>Temperature</subject><subject>Tunneling</subject><subject>Voltage</subject><issn>0018-9480</issn><issn>1557-9670</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1981</creationdate><recordtype>article</recordtype><recordid>eNqFkDFPwzAQhS0EEqXwAxBLJraUuzi2L2NVQQG1YiDMlutcIShNSpxIwK8nVSsxdjo93ffe8AlxjTBBhOwuX-b5BDPCIUqQACdihEqZONMGTsUIACnOUoJzcRHC5xBTBTQS6rXfcuubuuh9V9bvUd7XNVfRc18PualDNA3RsvzmNkSuixBVNP_4vRRna1cFvjrcsXh7uM9nj_HiZf40my5iL5XuYiaVkPboJDhjMIEio7QwypBMndOKV6DJc8FUrFeYsPcePSnERGqVmEyOxe1-d9s2Xz2Hzm7K4LmqXM1NH2ySgSKJ8jhIWhJKdRyUpIwkGkDcg75tQmh5bbdtuXHtj0WwO-V2p9zulNuD8qFzs--UzPzPH75_3Uh6fw</recordid><startdate>19810201</startdate><enddate>19810201</enddate><creator>Dolan, G.J.</creator><creator>Linke, R.A.</creator><creator>Sollner, T.C.L.G.</creator><creator>Woody, D.P.</creator><creator>Phillips, T.G.</creator><general>IEEE</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7SP</scope><scope>7U5</scope></search><sort><creationdate>19810201</creationdate><title>Superconducting Tunnel Junctions As Mixers at 115 Ghz</title><author>Dolan, G.J. ; Linke, R.A. ; Sollner, T.C.L.G. ; Woody, D.P. ; Phillips, T.G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c356t-e85286c1a30a77120d984d757834aa65eb068cede8dfb12eccc1c851123652793</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1981</creationdate><topic>Capacitance</topic><topic>Frequency</topic><topic>Josephson junctions</topic><topic>Local oscillators</topic><topic>Observatories</topic><topic>Quantum mechanics</topic><topic>Superconducting device noise</topic><topic>Temperature</topic><topic>Tunneling</topic><topic>Voltage</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dolan, G.J.</creatorcontrib><creatorcontrib>Linke, R.A.</creatorcontrib><creatorcontrib>Sollner, T.C.L.G.</creatorcontrib><creatorcontrib>Woody, D.P.</creatorcontrib><creatorcontrib>Phillips, T.G.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><jtitle>IEEE transactions on microwave theory and techniques</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Dolan, G.J.</au><au>Linke, R.A.</au><au>Sollner, T.C.L.G.</au><au>Woody, D.P.</au><au>Phillips, T.G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Superconducting Tunnel Junctions As Mixers at 115 Ghz</atitle><jtitle>IEEE transactions on microwave theory and techniques</jtitle><stitle>TMTT</stitle><date>1981-02-01</date><risdate>1981</risdate><volume>29</volume><issue>2</issue><spage>87</spage><epage>91</epage><pages>87-91</pages><issn>0018-9480</issn><eissn>1557-9670</eissn><coden>IETMAB</coden><abstract>Superconducting tunnel junctions have been used as the nonlinear element for mixing at a signal frequency of 115 GHz. The experimental results are compared with predictions of a theoretical analysis based on the quantum theory of mixing of J. R. Tucker. Qualitative agreement is obtained and suggestions are made for quantitative reconciliation. The junctions were small area (/spl equiv/0.4mu m/sup 2/) with normal resistances of 60 to 100 omega and capacitance approximately 20 fF. Measured sensitivity (T/ sup SSB/sub MXR/=62 K, L/sub c/=7.6 dB) implies receiver noise temperatures superior to the best receivers now in use at this frequency.</abstract><pub>IEEE</pub><doi>10.1109/TMTT.1981.1130300</doi><tpages>5</tpages></addata></record> |
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| ispartof | IEEE transactions on microwave theory and techniques, 1981-02, Vol.29 (2), p.87-91 |
| issn | 0018-9480 1557-9670 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_28638135 |
| source | IEEE Electronic Library (IEL) |
| subjects | Capacitance Frequency Josephson junctions Local oscillators Observatories Quantum mechanics Superconducting device noise Temperature Tunneling Voltage |
| title | Superconducting Tunnel Junctions As Mixers at 115 Ghz |
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