Superconducting lumped-element resonators: enabling technologies for radiation detection and quantum computing interfacing

Place: conference hall, IMDEA Nanociencia.

Abstract: 

Superconducting Lumped-Element Resonators (LERs) have emerged as powerful tools in modern technology. They function as highly sensitive radiation detectors by leveraging a property of the Cooper pair condensate known as kinetic inductance. Additionally, these devices are essential components in solid-state quantum computers, enabling interactions with quantum bits due to their lossless nature. This seminar will explore their application as W-band (75 GHz to 110 GHz) radiation detectors for cosmic microwave background and axion-decay experiments. Their high-quality factors and low noise properties provide sensing capabilities that far surpass those of established detection technologies. Furthermore, the seminar will discuss their role in facilitating coherent interactions between molecular spins and superconducting circuits, highlighting recent advancements in this area. They hold great potential as enabling technologies for high-performance radiation sensing and as platforms for developing new hybrid quantum systems including molecular spin ensembles, opening up new pathways for innovation in both fields.

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