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零相移传输材料可以实现光波在数百波长传播而不引起相位变化,从而减弱了波的频谱色散问题,提高了波导间的耦合效率,因而成为光功能材料研究的热点.结合本课题组的研究工作,本文从理论和实验研究两方面对零相移传输超材料的最新进展和研究热点进行了全面地总结和评述,根据相位调制机理不同对各种零相移超材料进行了分类和归纳,进一步客观分析了各种实现方法的优、缺点及目前研究中存在的问题,并展望其未来发展方向.相关研究对拓展零相移基础物理学研究和光学器件设计具有重要意义.
The zero-phase-shift transmission material can realize light wave propagation at several hundred wavelengths without causing phase change, thus reducing the spectral dispersion of the wave and improving the coupling efficiency between the waveguides, thus becoming a hot spot in the research of optical functional materials. Research work, this paper summarizes and reviews the recent progress and research hotspots of zero-phase-shift transmission metamaterials both theoretically and experimentally, and classifies and summarizes various phase-shift metamaterials according to the phase modulation mechanism , And further objectively analyzes the advantages and disadvantages of various implementation methods and the existing problems in the current research, and looks forward to its future development direction.Relevant research is of great significance to expand the study of zero-phase shift fundamental physics and optics design.