High-Speed Non-Volatile Optical Memory: Achievements and Challenges

被引：5
|
作者：
Zayets, Vadym [1 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Spintron Res Ctr, Tsukuba, Ibaraki 3058568, Japan
来源：
ELECTRONICS | 2017年 / 6卷 / 01期
关键词：
high-speed optical memory; spin-transfer torque; ferromagnetic-metal; semiconductor hybrid; nanomagnet; spin-polarized current; high-speed electron transport; WAVE-GUIDE; ISOLATOR; SURFACE; PROPAGATION;
D O I：
10.3390/electronics6010007
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We have proposed, fabricated, and studied a new design of a high-speed optical non-volatile memory. The recoding mechanism of the proposed memory utilizes a magnetization reversal of a nanomagnet by a spin-polarized photocurrent. It was shown experimentally that the operational speed of this memory may be extremely fast above 1 TBit/s. The challenges to realize both a high-speed recording and a high-speed reading are discussed. The memory is compact, integratable, and compatible with present semiconductor technology. If realized, it will advance data processing and computing technology towards a faster operation speed.
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页数：17
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