面向大数据应用的大容量全息光存储技术研究进展  

A Review of High-Capacity Hologram Data Storage for Big Data Applications

作　　者：胡德骄 王震 罗铁威 夏启繁 张荻琴 赵榆霞[3] 郑穆 李向平 曹耀宇 Hu Dejiao;Wang Zhen;Luo Tiewei;Xia Qifan;Zhang Diqin;Zhao Yuxia;Zheng Mu;Li Xiangping;Cao Yaoyu(Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications,Institute of Photonics Technology,Jinan University,Guangzhou 510632,Guangdong,China;Amethystum Storage Technology Co.,Ltd.,Meizhou 514000,Guangdong,China;Technical Institute of Physics and Chemistry,Chinese Academy of Science,Beijing 100190,China)

机构地区：[1]暨南大学光子技术研究院,广东省光纤传感与通信技术重点实验室,广东广州510632 [2]广东紫晶信息存储技术股份有限公司,广东梅州514000 [3]中国科学院理化技术研究所,北京100190

出　　处：《中国激光》2023年第18期30-43,共14页Chinese Journal of Lasers

基　　金：国家重点研发计划(2022YFB2804301);国家自然科学基金(62275108,12272362);广东省重点领域研发计划项目(2019B090915003)。

摘　　要：随着信息时代全球数据量爆发式增长,需要存储的数据量与日俱增。面对大数据存储的挑战,全息光存储技术将信息以数据页的形式并行记录在体全息介质中,可以实现大容量数据的存储与高速读写,具有独特优势。本文从全息存储的原理和关键技术入手,详细介绍了面向商业化应用的全息光存储系统和全息光存储介质的研究现状,探讨了实现大容量和长寿命数据存储的技术途径。Significance With the explosive growth of global data in the information age,the amount of data to be stored is increasing exponentially.The secure,stable,and long-term storage of vast amount of data generated by the internet in various scenarios has become the foundation for the sustainable development of future information technology.The capacity of a single hard disk drive(HDD)can be as large as 20 TB,which plays an important role in many applications.An HDD is a typical magnetic data storage technique.However,the rapidly developing technology of solid-state disks(SSD),which employ electronic circuits to store and retrieve data,is superior in terms of a high transfer rate and favors applications requiring frequent data exchange.However,both magnetic-and electronic-circuit-based data storage have the disadvantages of high energy consumption,short lifetime,low safety,and poor stability.These issues become increasingly obvious for the storage requirement of“cold data,”which have large size and needs to be accessed less frequently.Optical data storage(ODS)has the advantages of low energy consumption,long lifetime(as long as 50 years),high safety,and high stability.Consequently,the utilization of the ODS technology in the field of large data storage has attracted considerable attention.The conventional ODS technique employs a focused laser spot to record and read data,and the data density depends on the lateral size of the laser spot.Based on this concept,the ODS industry developed compact discs(CD),digital video discs(DVD),blueray discs(BD),and archival discs(AD).In 2019,Sony released a second-generation AD with a capacity of 500 GB per disc.The minimum size of the data bit on the disc was approximately 68 nm,which is close to the physical limit of this technique.Further increase in the capacity requires an increase in the number of recording layers,which causes serious interlayer interference and limits the maximum number of layers.Inorganic glass was used as the recording medium to further increase the archi

关 键 词：全息 全息光存储技术 大数据 全息记录介质 

分 类 号：O436[机械工程—光学工程]