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However, the motions of most self\u2010oscillators are reciprocal, which hinders their use in sophisticated biomimetic functions such as fluidic transportation. Here, an optically powered soft material strip that can perform nonreciprocal, cilia\u2010like,\u00a0self\u2010sustained oscillation under water is reported. The actuator is made of planar\u2010aligned liquid crystal elastomer responding to visible light. Two laser beams from orthogonal directions allow for piecewise control over the strip deformation, enabling two self\u2010shadowing effects coupled in one single material to yield nonreciprocal strokes. The nonreciprocity, stroke pattern and handedness are connected to the fluidic pumping efficiency, which can be controlled by the excitation conditions. Autonomous microfluidic pumping in clockwise and anticlockwise directions, translocation of a micro\u2010object by liquid propulsion, and coupling between two oscillating strips through liquid medium interaction are demonstrated. The results offer new concepts for non\u2010equilibrium soft actuators that can perform bio\u2010like functions under water.<\/jats:p>","DOI":"10.1002\/adma.202209683","type":"journal-article","created":{"date-parts":[[2022,12,16]],"date-time":"2022-12-16T16:03:38Z","timestamp":1671206618000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":72,"title":["Light\u2010Fueled Nonreciprocal Self\u2010Oscillators for Fluidic Transportation and Coupling"],"prefix":"10.1002","volume":"36","author":[{"given":"Zixuan","family":"Deng","sequence":"first","affiliation":[{"name":"Smart Photonic Materials Faculty of Engineering and Natural Sciences Tampere University  P.O. 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