基于对齐金纳米棒的近乎完美保真偏振编码多层光学数据存储

IF 15.3 1区 物理与天体物理 Q1 OPTICS Opto-Electronic Advances Pub Date : 2021-04-13 DOI:10.29026/oea.2021.210002
Linwei Zhu, Yaoyu Cao, Qiuqun Chen, Xueying Ouyang, Yi Xu, Zhongliang Hu, J. Qiu, Xiangping Li
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引用次数: 21

摘要

对光偏振信息进行编码对于促进光学数据存储(ODS)的信息安全和数据存储容量升级具有重要意义。然而,尽管纳米光子技术的最新进展大大提高了应用偏振通道的可行性,但在数据记录和读取过程中,不同偏振角之间发生的严重串扰限制了重建比特的数据保真度,这严重阻碍了该技术在实践中的应用。在本文中,我们展示了一种超低串扰偏振编码多层光学数据存储技术,通过利用包含高度排列的金纳米棒(GNRs)的基于纳米纤维的纳米复合薄膜,用于高保真数据记录和检索。通过在记录介质中并行化金纳米棒,与随机自组装的对应物相比,信息载体配置分别最大限度地减少了信息输入和输出的错误写入和误读可能性。增强的数据准确性显著提高了比特召回保真度,该保真度通过高于0.99的相关系数来量化。预计所展示的技术可以促进多路复用ODS的发展,以实现更绿色的未来。
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Near-perfect fidelity polarization-encoded multilayer optical data storage based on aligned gold nanorods
Encoding information in light polarization is of great importance in facilitating optical data storage (ODS) for information security and data storage capacity escalation. However, despite recent advances in nanophotonic techniques vastly enhancing the feasibility of applying polarization channels, the data fidelity in reconstructed bits has been constrained by severe crosstalks occurring between varied polarization angles during data recording and reading process, which gravely hindered the utilization of this technique in practice. In this paper, we demonstrate an ultra-low crosstalk polarization-encoding multilayer optical data storage technique for high-fidelity data recording and retrieving by utilizing a nanofibre-based nanocomposite film involving highly aligned gold nanorods (GNRs). With parallelizing the gold nanorods in the recording medium, the information carrier configuration minimizes miswriting and misreading possibilities for information input and output, respectively, compared with its randomly self-assembled counterparts. The enhanced data accuracy has significantly improved the bit recall fidelity that is quantified by a correlation coefficient higher than 0.99. It is anticipated that the demonstrated technique can facilitate the development of multiplexing ODS for a greener future.
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来源期刊
CiteScore
19.30
自引率
7.10%
发文量
128
期刊介绍: Opto-Electronic Advances (OEA) is a distinguished scientific journal that has made significant strides since its inception in March 2018. Here's a collated summary of its key features and accomplishments: Impact Factor and Ranking: OEA boasts an impressive Impact Factor of 14.1, which positions it within the Q1 quartiles of the Optics category. This high ranking indicates that the journal is among the top 25% of its field in terms of citation impact. Open Access and Peer Review: As an open access journal, OEA ensures that research findings are freely available to the global scientific community, promoting wider dissemination and collaboration. It upholds rigorous academic standards through a peer review process, ensuring the quality and integrity of the published research. Database Indexing: OEA's content is indexed in several prestigious databases, including the Science Citation Index (SCI), Engineering Index (EI), Scopus, Chemical Abstracts (CA), and the Index to Chinese Periodical Articles (ICI). This broad indexing facilitates easy access to the journal's articles by researchers worldwide. Scope and Purpose: OEA is committed to serving as a platform for the exchange of knowledge through the publication of high-quality empirical and theoretical research papers. It covers a wide range of topics within the broad area of optics, photonics, and optoelectronics, catering to researchers, academicians, professionals, practitioners, and students alike.
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