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As a key component of various acoustic systems, acoustic beam splitter (BS) finds important application in many scenarios, yet are conventionally based on the assumption that the acoustic waves propagate as easily when incident from either input or output side. It would therefore be intriguing, from the viewpoints of both science and technology, to break through this limit by realizing acoustic BSs supporting asymmetric transmission. Here we propose the concept of one-way acoustic BS capable ofdoi:10.1038/s41598-018-29579-0 pmid:30206365 pmcid:PMC6134148 fatcat:pb7xqxfm3zguzmocvypv2e37xe