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)
Hauptverfasser:	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.
Format:	Artikel
Sprache:	eng
Schlagworte:	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
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