Without a phase conjugator, the new architecture is capable of fast self enhancement of the stored gratings by using two temporally modulated plane waves.

• 该结构包含两块存储内容完全相同的光折变晶体,无需相位共轭器,仅利用两束时域快速调制的平面参考光波便可实现对存储全息图的迅速增强。