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Reconfigurable optics, optical systems that have a dynamically tunableconfiguration, are emerging as a new frontier in photonics research. Recently,twisted moir\'e photonic crystal has become a competitive candidate forimplementing reconfigurable optics because of its high degree of tunability.However, despite its great potential as versatile optics components,simultaneous and dynamic modulation of multiple degrees of freedom in twistedmoir\'e photonic crystal has remained out of reach, severely limiting its areaof application. In this paper, we present a MEMS-integrated twisted moir\'ephotonic crystal sensor that offers precise control over the interlayer gap andtwist angle between two photonic crystal layers, and demonstrate an activetwisted moir\'e photonic crystal-based optical sensor that can simultaneouslyresolve wavelength and polarization. Leveraging twist- and gap-tuned resonancemodes, we achieve high-accuracy spectropolarimetric reconstruction of lightusing an adaptive sensing algorithm over a broad operational bandwidth in thetelecom range and full Poincar\'e sphere. Our research showcases the remarkablecapabilities of multidimensional control over emergent degrees of freedom inreconfigurable nanophotonics platforms and establishes a scalable pathwaytowards creating comprehensive flat-optics devices suitable for versatile lightmanipulation and information processing tasks.

On-Chip Multidimensional Dynamic Control of Twisted Moir\'e Photonic Crystal for Smart Sensing and Imaging