ArticleNature communications2026
Operating a non-Hermitian atomic magnetometer with programmable digital electronics.
Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
15 authors.
Funding
Abstract
Non-Hermitian systems with exceptional points (EPs) have attracted much attention for their potential to increase sensitivity. However, EPs are difficult to generate and control accurately in most physical systems, as they are extremely sensitive to environmental disturbances. We propose a unique non-Hermitian system formed by hybridizing digital electronics with physical sensors. The programmability of digital electronics allows EPs to be created, manipulated, and applied easily and flexibly. More interestingly, the modular design of our system facilitates coupling with various physical sensors, increasing their linear response to an EP-enhanced sublinear response. By coupling digital electronics with an atomic magnetometer, we achieved a 4.27-fold sensitivity increase for weak magnetic field measurements. Our work opens a new frontier at the junction of three active fields, namely, atomic physics, electronics, and non-Hermitian devices. The programmability, scalability, and practicality of our approach could further increase the universality, complexity, and intelligence of non-Hermitian fields.
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Registered trials
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