Indium tin oxide films meet circular Rydberg atoms: prospects for novel quantum simulation schemes

Abstract

Long-lived circular Rydberg atoms are picking up increasing interest for boosting coherence times in Rydberg-based quantum simulation. We elaborate a novel approach to stabilize circular Rydberg states against spontaneous and blackbody-induced decay using a suppression capacitor made from indium tin oxide (ITO) thin films, which combine reflection of microwaves with transparency in the visible spectral range. To this end, we perform detailed characterization of such films using complementary spectroscopic methods at GHz and THz frequencies and identify conditions that allow for reaching circular-state lifetimes up to tens of milliseconds in a room-temperature environment. We discuss prospects of our findings in view of the quest for quantum simulations with high-$n$ circular Rydberg states at room temperature.

arXiv comment7 pages, 4 figures

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• Preparation of Long-Lived, Non-Autoionizing Circular Rydberg States of Strontium
• Floquet-Tailored Rydberg Interactions
• Array of Individual Circular Rydberg Atoms Trapped in Optical Tweezers
• Millisecond-lived circular Rydberg atoms in a room-temperature experiment
• Quadrupole coupling of circular Rydberg qubits to inner shell excitations
• Extended Rydberg Lifetimes in a Cryogenic Atom Array
• Tailoring interaction ranges in atom arrays
• Programmable order by disorder effect and underlying phases through dipolar quantum simulators