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DOE OSTI · 2204662

Towards multi-qudit quantum processor using superconducting RF cavities

Roy, Tanay
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Abstract

Superconducting radio-frequency (SRF) cavities made using high-purity Niobium can reach single photon lifetimes longer than a second with proper treatment [1]. These resonator cavities are thus an excellent choice for storing higher-dimensional quantum states. However, preparing and manipulating quantum states with larger photon numbers require a nonlinear component, like a transmon, with a sufficiently long coherence time. With the advancement in materials processing enabling coherence times for transmons exceeding hundreds of micro-seconds, one can encode and process quantum information using d-levels (qudit) of the resonators. In this talk, we will present preliminary results showing the control of a single-qudit and our progress toward building multi-qudit architecture using multi-mode SRF cavities.

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Roy, Tanay. 2023-11-02. Towards multi-qudit quantum processor using superconducting RF cavities. https://doi.org/10.2172/2204662

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