Nonvolatile plasmonic holographic memory based on photo-driven ion migration

Liu Shuangyan; Fu Shencheng; Han Xiuxiu; Wang Xinnong; Ji Ruiya; Zhang Xintong; Liu Yichun

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Nonvolatile plasmonic holographic memory based on photo-driven ion migration

机译：基于光电离子迁移的非易失性等离子体全息记忆

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Stability of data storage is essential for optical information processing. TiO2 nanoporous films loaded with smallsized Ag nanoparticles thus attracted much attention due to their fast and polarization-sensitive photochemical response, which is able to realize optical phase modulation and high-density optical memory. However, little attention was given to the modulation of the silver ion migration, which plays a key role in anti-erasure of the recorded hologram. In this paper, the strong coupling of two phase gratings was achieved by long-term recording in the Ag-TiO2 film irradiated with a pair of coherent left-and right-hand circular polarization lights from a Blu-ray (similar to 405 nm) laser. The migration of Ag+ ions was enhanced by the electronic field gradient force. A stable polarization holographic grating was obtained by this method and observed by a polarizing microscope. This work provided a strategy for a nonvolatile device based on photo-driven ion migration. (C) 2017 Optical Society of America

机译：数据存储的稳定性对于光学信息处理至关重要。由于它们的快速和极化敏感的光化学响应，TiO2纳米孔薄膜负载，因此引起了小型Ag纳米颗粒，因此引起了很多关注的光学响应，能够实现光学相位调制和高密度光存储器。但是，对银离子迁移的调制很少注意，这在记录的全息图的抗擦除中起着关键作用。在本文中，通过从蓝光（类似于405nm）的一对连贯的左右圆偏振灯照射的Ag-TiO 2膜中的长期记录来实现两个相光栅的强耦合激光。通过电子场梯度力增强了Ag +离子的迁移。通过该方法获得稳定的极化全息光栅并由偏振显微镜观察。这项工作为基于照片驱动离子迁移提供了一种非易失性设备的策略。（c）2017年光学学会

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《Applied optics》 |2017年第24期|共7页
作者
Liu Shuangyan; Fu Shencheng; Han Xiuxiu; Wang Xinnong; Ji Ruiya; Zhang Xintong; Liu Yichun;
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Northeast Normal Univ Ctr Adv Optoelect Funct Mat Res Changchun 130024 Jilin Peoples R China;

Northeast Normal Univ Ctr Adv Optoelect Funct Mat Res Changchun 130024 Jilin Peoples R China;

Northeast Normal Univ Ctr Adv Optoelect Funct Mat Res Changchun 130024 Jilin Peoples R China;

Northeast Normal Univ Ctr Adv Optoelect Funct Mat Res Changchun 130024 Jilin Peoples R China;

Northeast Normal Univ Ctr Adv Optoelect Funct Mat Res Changchun 130024 Jilin Peoples R China;

Northeast Normal Univ Ctr Adv Optoelect Funct Mat Res Changchun 130024 Jilin Peoples R China;

Northeast Normal Univ Ctr Adv Optoelect Funct Mat Res Changchun 130024 Jilin Peoples R China;

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Nonvolatile plasmonic holographic memory based on photo-driven ion migration

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