Fabrication and characterization of aluminum airbridges for superconducting microwave circuits
Superconducting microwave circuits based on coplanar waveguides (CPW) are susceptible to parasitic slotline modes which can lead to loss and decoherence. We motivate the use of superconducting airbridges as a reliable method for preventing the propagation of these modes. We describe the fabrication...
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| Veröffentlicht in: | Applied physics letters 2014-02, Vol.104 (5) |
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| creator | Chen, Zijun Megrant, A. Kelly, J. Barends, R. Bochmann, J. Chen, Yu Chiaro, B. Dunsworth, A. Jeffrey, E. Mutus, J. Y. O'Malley, P. J. J. Neill, C. Roushan, P. Sank, D. Vainsencher, A. Wenner, J. White, T. C. Cleland, A. N. Martinis, John M. |
| description | Superconducting microwave circuits based on coplanar waveguides (CPW) are susceptible to parasitic slotline modes which can lead to loss and decoherence. We motivate the use of superconducting airbridges as a reliable method for preventing the propagation of these modes. We describe the fabrication of these airbridges on superconducting resonators, which we use to measure the loss due to placing airbridges over CPW lines. We find that the additional loss at single photon levels is small, and decreases at higher drive powers. |
| doi_str_mv | 10.1063/1.4863745 |
| format | Article |
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Y. ; O'Malley, P. J. J. ; Neill, C. ; Roushan, P. ; Sank, D. ; Vainsencher, A. ; Wenner, J. ; White, T. C. ; Cleland, A. N. ; Martinis, John M.</creator><creatorcontrib>Chen, Zijun ; Megrant, A. ; Kelly, J. ; Barends, R. ; Bochmann, J. ; Chen, Yu ; Chiaro, B. ; Dunsworth, A. ; Jeffrey, E. ; Mutus, J. Y. ; O'Malley, P. J. J. ; Neill, C. ; Roushan, P. ; Sank, D. ; Vainsencher, A. ; Wenner, J. ; White, T. C. ; Cleland, A. N. ; Martinis, John M.</creatorcontrib><description>Superconducting microwave circuits based on coplanar waveguides (CPW) are susceptible to parasitic slotline modes which can lead to loss and decoherence. We motivate the use of superconducting airbridges as a reliable method for preventing the propagation of these modes. We describe the fabrication of these airbridges on superconducting resonators, which we use to measure the loss due to placing airbridges over CPW lines. We find that the additional loss at single photon levels is small, and decreases at higher drive powers.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.4863745</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>ALUMINIUM ; Aluminum ; Applied physics ; CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ; Coplanar waveguides ; FABRICATION ; Microwave circuits ; MICROWAVE RADIATION ; PHOTONS ; Propagation modes ; Quantum theory ; SUPERCONDUCTING CAVITY RESONATORS ; SUPERCONDUCTIVITY ; SUPERCONDUCTORS ; WAVEGUIDES</subject><ispartof>Applied physics letters, 2014-02, Vol.104 (5)</ispartof><rights>2014 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c351t-b87ec1dad38e225abcad4aecfc30b32389c421e2f3a73e47bc8d3a215db4305c3</citedby><cites>FETCH-LOGICAL-c351t-b87ec1dad38e225abcad4aecfc30b32389c421e2f3a73e47bc8d3a215db4305c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22283279$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Chen, Zijun</creatorcontrib><creatorcontrib>Megrant, A.</creatorcontrib><creatorcontrib>Kelly, J.</creatorcontrib><creatorcontrib>Barends, R.</creatorcontrib><creatorcontrib>Bochmann, J.</creatorcontrib><creatorcontrib>Chen, Yu</creatorcontrib><creatorcontrib>Chiaro, B.</creatorcontrib><creatorcontrib>Dunsworth, A.</creatorcontrib><creatorcontrib>Jeffrey, E.</creatorcontrib><creatorcontrib>Mutus, J. 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We describe the fabrication of these airbridges on superconducting resonators, which we use to measure the loss due to placing airbridges over CPW lines. We find that the additional loss at single photon levels is small, and decreases at higher drive powers.</description><subject>ALUMINIUM</subject><subject>Aluminum</subject><subject>Applied physics</subject><subject>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</subject><subject>Coplanar waveguides</subject><subject>FABRICATION</subject><subject>Microwave circuits</subject><subject>MICROWAVE RADIATION</subject><subject>PHOTONS</subject><subject>Propagation modes</subject><subject>Quantum theory</subject><subject>SUPERCONDUCTING CAVITY RESONATORS</subject><subject>SUPERCONDUCTIVITY</subject><subject>SUPERCONDUCTORS</subject><subject>WAVEGUIDES</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNpFkEFLAzEQhYMoWKsH_8GCJw9bM5ndJj1KsSoUvOjVkJ1k25R2U5Osor_elRY8DW_4eLz3GLsGPgE-xTuYVGqKsqpP2Ai4lCUCqFM24pxjOZ3VcM4uUtoMshaII_a-ME30ZLIPXWE6W9DaREPZRf9zeIa2MNt-57t-VxgfB9quXCraEIvU712k0Nmesu9Wxc5TDF_m0xXkI_U-p0t21pptclfHO2Zvi4fX-VO5fHl8nt8vS8Iactko6QissaicELVpyNjKOGoJeYMC1YwqAU60aCS6SjakLBoBtW0q5DXhmN0cfEPKXify2dF6SNY5yloIoVDI2T-1j-GjdynrTehjNwTTAoSUwCsFA3V7oIYyKUXX6n30OxO_NXD9N7IGfRwZfwGS_3AW</recordid><startdate>20140203</startdate><enddate>20140203</enddate><creator>Chen, Zijun</creator><creator>Megrant, A.</creator><creator>Kelly, J.</creator><creator>Barends, R.</creator><creator>Bochmann, J.</creator><creator>Chen, Yu</creator><creator>Chiaro, B.</creator><creator>Dunsworth, A.</creator><creator>Jeffrey, E.</creator><creator>Mutus, J. 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N.</au><au>Martinis, John M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fabrication and characterization of aluminum airbridges for superconducting microwave circuits</atitle><jtitle>Applied physics letters</jtitle><date>2014-02-03</date><risdate>2014</risdate><volume>104</volume><issue>5</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><abstract>Superconducting microwave circuits based on coplanar waveguides (CPW) are susceptible to parasitic slotline modes which can lead to loss and decoherence. We motivate the use of superconducting airbridges as a reliable method for preventing the propagation of these modes. We describe the fabrication of these airbridges on superconducting resonators, which we use to measure the loss due to placing airbridges over CPW lines. We find that the additional loss at single photon levels is small, and decreases at higher drive powers.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4863745</doi></addata></record> |
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| subjects | ALUMINIUM Aluminum Applied physics CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY Coplanar waveguides FABRICATION Microwave circuits MICROWAVE RADIATION PHOTONS Propagation modes Quantum theory SUPERCONDUCTING CAVITY RESONATORS SUPERCONDUCTIVITY SUPERCONDUCTORS WAVEGUIDES |
| title | Fabrication and characterization of aluminum airbridges for superconducting microwave circuits |
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