Design and Testing of Superconducting Microwave Passive Components for Quantum Information Processing

We report on the design, fabrication and testing of two superconducting passive microwave components, a quadrature hybrid and a 20 dB directional coupler. These components are designed to be integrated with superconducting qubits or Josephson parametric amplifiers and used in quantum information pro...

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Veröffentlicht in:	IEEE transactions on applied superconductivity 2011-06, Vol.21 (3), p.452-455
Hauptverfasser:	Ku, H S, Mallet, F, Vale, L R, Irwin, K D, Russek, S E, Hilton, G C, Lehnert, K W
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Coplanar waveguides Directional coupler Electrical engineering. Electrical power engineering Electromagnets Electronic equipment and fabrication. Passive components, printed wiring boards, connectics Electronics Exact sciences and technology Insertion loss microwave Microwave and submillimeter wave devices, electron transfer devices Microwave circuits Microwave integrated circuits Microwave measurements Microwaves Noise levels Passive components passive microwave components Probes quadrature hybrid Quadratures quantum information Qubits (quantum computing) Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Specifications Superconducting devices Superconducting microwave devices Superconductivity TRL calibration Various equipment and components
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Beschreibung
Zusammenfassung:	We report on the design, fabrication and testing of two superconducting passive microwave components, a quadrature hybrid and a 20 dB directional coupler. These components are designed to be integrated with superconducting qubits or Josephson parametric amplifiers and used in quantum information processing applications. For the coupler, we measure return loss and isolation >;20 dB, and insertion loss ;20 dB and insertion loss
ISSN:	1051-8223 1558-2515
DOI:	10.1109/TASC.2010.2089403