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IQUIST Young Researchers Seminar: "Improving Information Storage Time in Microwave Superconducting Circuits with Spin Ensembles", presented by Ale Baptista

Event Type
276 Loomis Laboratory
Feb 16, 2022   12:00 - 12:50 pm  
Ale Baptista, Graduate Research Assistant, Physics, Pfaff Research Group
Wolfgang Pfaff
Originating Calendar
IQUIST Young Researchers Seminar

Improving Information Storage Time in Microwave Superconducting Circuits with Spin Ensembles

The goal of my research is to build hybrid microwave superconducting circuit systems that use spin ensembles as long-lived, coherent, quantum memories. To develop an efficient interface between the two systems, we propose coupling to the ensemble through a 3D cavity with a focused and homogeneous magnetic field mode. We plan to control the interaction between the 3D cavity and the spin ensemble through parametric coupling to a 3-wave mixing superconducting circuit element known as a SNAIL. This talk will walk through the relevant background for the two systems of interest and the parametric coupling used to interface them. Then I describe current experimental progress in designing our coupling cavity, fabricating our 3-wave mixing SNAIL element, and testing the SNAIL by using it as a parametric amplifier. Finally, I outline the experimental roadmap to realize controllable coupling between superconducting circuits and spin ensembles.

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