宋海洋 Song Haiyang, 李枷楠 Li Jianan, 范琳琳 Fan Linlin, 林达奎 Lin Dakui, 王琨 Wang Kun, 林枭 Lin Xiao, 谭小地 Tan Xiaodi
{"title":"正交相位编码的同轴全息加密存储系统的研究","authors":"宋海洋 Song Haiyang, 李枷楠 Li Jianan, 范琳琳 Fan Linlin, 林达奎 Lin Dakui, 王琨 Wang Kun, 林枭 Lin Xiao, 谭小地 Tan Xiaodi","doi":"10.3788/cjl230696","DOIUrl":"https://doi.org/10.3788/cjl230696","url":null,"abstract":"通过调制具有不同编码单元的参考光，对信息光进行分页式加密存储。提出两种参考光编码加密模式，即扇形参考光编码模式和随机位置参考光编码模式，并对这两种方法进行验证。实验结果表明，这两种方式都通过正交相位编码完成加密解密的过程。对两种方法的加密性进行评估，不同密钥对应的加密信息之间的相似度均值分别为0.57和0.02，均方误差的平均值分别为537和1872。随机位置参考光编码模式下的同轴系统安全性更高。正交相位加密技术可以有效地防止存储数据被非法访问和窃取，保证了数据的安全性。","PeriodicalId":47922,"journal":{"name":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135104394","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"外尔半金属TaAs中太赫兹电场诱导的二次谐波产生","authors":"彭湃 Peng Pai, 李治林 Li Zhilin, 汪信波 Wang Xinbo","doi":"10.3788/cjl230830","DOIUrl":"https://doi.org/10.3788/cjl230830","url":null,"abstract":"使用强场太赫兹泵浦二次谐波产生探测、研究外尔半金属TaAs中的三阶非线性响应过程。当泵浦太赫兹电场沿着TaAs（112）晶面的不同晶向时，强场太赫兹诱导的光学二次谐波信号展现出了不同的响应，这可以用泵浦太赫兹电场引入的三阶非线性极化来定量地解释，其中较大的zzzz分量可能起着重要的作用。","PeriodicalId":47922,"journal":{"name":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135105317","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
刘姿廷 Liu Ziting, 袁一鸣 Yuan Yiming, 李子越 Li Ziyue, 龚伟 Gong Wei, 张栩 Zhang Xu, 赵新景 Zhao Xinjing, 王熠 Wang Yi, 李臻赜 Li Zhenze, 王磊 Wang Lei
{"title":"飞秒激光与透明硬质材料的相互作用：从相变机理到永久光存储","authors":"刘姿廷 Liu Ziting, 袁一鸣 Yuan Yiming, 李子越 Li Ziyue, 龚伟 Gong Wei, 张栩 Zhang Xu, 赵新景 Zhao Xinjing, 王熠 Wang Yi, 李臻赜 Li Zhenze, 王磊 Wang Lei","doi":"10.3788/cjl230742","DOIUrl":"https://doi.org/10.3788/cjl230742","url":null,"abstract":"随着大数据时代的来临，利用飞秒激光在透明硬质材料中写入数据形成永久光存储的技术成为高容量、长寿命冷数据的一种理想存储方案，具有广阔的应用前景。本文从飞秒激光永久光存储发展存在的问题出发，梳理了近20年来超快激光与透明硬质材料相互作用的机制，总结了飞秒激光诱导相变的类型和过程，展示了其在光存储方面的应用；同时，从写入速度和容量角度出发，介绍了最新的脉宽调制效应和热调制高重复频率直写技术，阐述了五维永久光存储目前面临的挑战以及可行的解决办法。","PeriodicalId":47922,"journal":{"name":"CHINESE JOURNAL OF LASERS-ZHONGGUO JIGUANG","volume":"144 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135105648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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