ABSTRACT The detection of light polarization is crucial in optical networks, which currently rely on complex modules comprising a series of optical and electronic elements, such as lenses, polarizers, waveplates, and filters, thereby hindering miniaturization and integration for compact systems. Here, we developed a miniaturized self‐driven polarimeter designed with a semiconducting transition metal dichalcogenide (TMD) and a ring‐shaped electrode. Under perpendicular illumination, the edge plasmon at the metal/MoS 2 interface is excited, consequently enhancing photoresponse significantly. Building on this phenomenon, a ring‐shaped electrode structure has been designed, enabling the direct visualization of the polarization of the incident light, with the ability to reconstruct the polarization angle with a root‐mean‐square error of ∼2° at 532 nm. The simple design and ultracompact structure of our developed polarimeter may inspire the development of high‐performance polarization‐resolvable optoelectronic platforms.
Cai et al. (Mon,) studied this question.
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