Phase-controlled propagation of surface plasmons

作     者：Basudeb Sain Roy Kaner Yehiam Prior 

作者机构：Department of Chemical PhysicsWeizmann Institute of ScienceRehovot 76100Israel 

出 版 物：《Light(Science & Applications)》 (光（科学与应用)（英文版）)

年 卷 期：2017年第6卷第1期

页      面：466-474页

核心收录：

学科分类：07[理学] 070204[理学-等离子体物理] 0702[理学-物理学] 

基　　金：supported by the Israel Science Foundation grant no.1242/12 by the ICORE program by an FTA grant from the Israel National Nano Initiative by the Minerva Foundation 

主　　题：FDTD NSOM phased array plasmonic wakes surface plasmons 

摘      要：Directional emission of electromagnetic radiation can be achieved using a properly shaped single antenna or a phased array of individual *** of the individual phases within an array enables scanning or other manipulations of the emission,and it is this property of phased arrays that makes them attractive in modern ***,the propagation of surface plasmons at the interface between metal films and dielectric materials can be determined by shaping the individual surface nanostructures or via the phase control of individual elements in an array of such ***,we demonstrate control of the propagation of surface plasmons within a linear array of *** generic situation of plasmonic surface propagation that is different on both sides of a metal film provides a unique opportunity for such control:plasmons propagating on the slower side feed into the side with the faster propagation,creating a phased array of interfering antennas and thus controlling the directionality of the wake *** further show that by shaping the individual nanoantennas,we can generate an asymmetric propagation geometry.