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Superconducting Qubits

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

arXiv

Authors: H. S. Ku, F. Mallet, L. R. Vale, K. D. Irwin, S. E. Russek, G. C. Hilton, K. W. Lehnert

Year

2010

Paper ID

10840

Status

Preprint

Abstract Read

~2 min

Abstract Words

105

Citations

N/A

Abstract

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 < 0.3 dB in a 2 GHz band around 6 GHz. For the hybrid performance, we measure isolation > 20 dB and insertion loss < 0.3 dB in a 10% band around 6.5 GHz. These values are within the design specifications of our application; however, we find a 7% difference between the designed and measured center frequency for the hybrid.

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We report on the design, fabrication and testing of two superconducting passive microwave components, a quadrature hybrid and a 20 dB directional coupler.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1010.3232 [2] arXiv https://arxiv.org/abs/1010.3232 [3] Publisher https://arxiv.org/abs/1010.3232

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