【摘要】 表面波作为一种信息或能量传递载体，在片上光学器件及系统中具有重要应用，然而实现近场表面波到远场传输波的高效自由调控是片上光子学领域中的基础难题。本文从表面波的远场辐射原理出发，介绍了人们利用超表面对表面波辐射场的相位、振幅、偏振态等多种参量的调控能力，以及表面波的定向辐射、远场聚焦、特殊光束激发、全息成像等复杂波前调控效应，最后对表面波远场辐射调控的主要挑战和未来发展做了总结。更多还原

【Abstract】 Surface wave(SW), as a kind of information or energy transportation platform, can find important applications in on-chip optical devices and systems. However, the efficient and free control from near-field SW to far-field propagation wave still suffers from fundamental challenges in the field of on-chip photonics. This paper starts with an introduction of the basic principles for far-field radiation. Then it reviews the approaches to control the multiple parameters(e.g., phase, amplitude, and polarization state) of the SW ’s radiation field based on the metasurface, as well as the complex far-field wavefront manipulation of the surface wave, such as the directional radiation, far-field focusing, special beam excitation, and holographic imaging. Finally, the main challenges and future developments of far-field radiation control of SWs are summarized.更多还原