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physics.app-ph2026★ 1 cited
Boundary-induced helical bulk acoustic transport in LiNbO3 thin films
Zhe Li, Zhen-Hui Qin, Shu-Mao Wu +10
We experimentally demonstrate boundary-induced helical bulk states (BI-HBSs) for RF acoustic transport in LiNbO3 thin-film phononic crystals (approximately 175-200 MHz). A boundary…
physics.app-ph2026
Vectorial Acoustic Multiplexed Holography
Yuan Tian, Hao Ge, Jiangpo Zheng +3
Encoding more information into wave fields is a central goal in imaging, communication, and wave control. Optical holography benefits from polarization multiplexing, but acoustic h…
physics.app-ph2024
Width-independent and Robust Multimode Interference Waveguides Based on Anomalous Bulk States
Lei Liu, Xiujuan Zhang, Ming-Hui Lu +1
Multimode interference (MMI) is a fundamental physical principle that plays a crucial role in modern communication technologies for wave splitting, filtering, switching and multipl…