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光存储系统是未来全光通信和全光计算的关键要素。基于有限元方法的仿真实验研究,设计了一种新型的光学存储系统,该系统基于磁光光子晶体单向边界模式与微腔模式的耦合。应用磁光光子晶体单向边界模式特性形成闭合回路。设计另外的单向波导和磁性微腔,电磁信号不仅能从闭合回路中取出,而且能写入回路。通过外加磁场控制微腔属性,可动态实现电磁信号的读写操作。
Optical storage systems are the key elements of future all-optical communications and all-optical computing. Based on the finite element simulation experiment, a new type of optical storage system is designed. The system is based on the coupling of the uniaxial boundary mode with the microcavity mode of magneto-optic photonic crystal. The application of magneto-optical photonic crystal unidirectional boundary mode characteristics to form a closed loop. Designing additional unidirectional waveguides and magnetic microcavities, the electromagnetic signal can be taken out of the closed loop and into the loop. By controlling the microcavity property by external magnetic field, the reading and writing operation of electromagnetic signal can be realized dynamically.