Characterization of low loss microstrip resonators as a building block for circuit QED in a 3D waveguide

• URL: http://arxiv.org/abs/1706.04169v3
• Date: Wed, 5 Apr 2023 14:38:20 GMT
• Title: Characterization of low loss microstrip resonators as a building block for circuit QED in a 3D waveguide
• Authors: D. Zoepfl, P. R. Muppalla, C. M. F. Schneider, S. Kasemann, S. Partel, G. Kirchmair
• Abstract summary: In the low temperature, low power limit internal quality factors of up to one million were reached. We found a good agreement to models predicting conductive losses and losses to two level systems for increasing temperature. In combination with transmon qubits, these resonators serve as a building block for a novel circuit QED architecture inside a rectangular waveguide.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Here we present the microwave characterization of microstrip resonators made from aluminum and niobium inside a 3D microwave waveguide. In the low temperature, low power limit internal quality factors of up to one million were reached. We found a good agreement to models predicting conductive losses and losses to two level systems for increasing temperature. The setup presented here is appealing for testing materials and structures, as it is free of wire bonds and offers a well controlled microwave environment. In combination with transmon qubits, these resonators serve as a building block for a novel circuit QED architecture inside a rectangular waveguide.

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