Optical data storage articles within Nature Communications

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  • Article
    | Open Access

    Inspired by fireflies, a bimodal information indication system using a photochemical afterglow material within a photonic crystal matrix is developed to display both static and changing information, such as sample type and degree of degradation.

    • Hanwen Huang
    • , Jiamiao Yin
    •  & Changchun Wang

  • Article
    | Open Access

    Photonic integrated circuits have grown as potential hardware for neural networks and quantum computing, yet the tuning speed and large power consumption limited the application. Here, authors introduce the memresonator, a memristor heterogeneously integrated with a microring resonator, as a non-volatile silicon photonic phase shifter to address these limitations.

    • Bassem Tossoun
    • , Di Liang
    •  & Raymond G. Beausoleil

  • Article
    | Open Access

    Designing high efficient optoelectronic memory remains a challenge. Here, the authors report a novel optoelectronic memory device based on a photosensitive dielectric that is an insulator in dark and a semiconductor under irradiation with multilevel storage ability, low energy consumption and good compatibility.

    • Rui Zhu
    • , Huili Liang
    •  & Zengxia Mei

  • Article
    | Open Access

    The use of light in driving the magnetization of materials has great technological potential, as well as allowing for insights into the fast dynamics of magnetic systems. Here, the authors combine CrI3, a van der Waals magnet, with WSe2, and demonstrate all optical switching of the resulting heterostructure.

    • Maciej Da̧browski
    • , Shi Guo
    •  & Robert J. Hicken

  • Article
    | Open Access

    Robust and high capacity optical coding will be at the base of future developments of information transfer and storage. Here the authors develop a topological all-optical coding scheme, which possesses good stability and a high capacity, using nested vortex knots and links.

    • Ling-Jun Kong
    • , Weixuan Zhang
    •  & Xiangdong Zhang

  • Article
    | Open Access

    Continued device miniaturization and feasibility of integrating two-dimensional materials into circuits have enabled flexible and transparent optoelectronic memories. Here, the authors show a WSe2–hBN-based heterostructure memory with switching ratio of ~1.1 × 106, ensuring over 128 distinct storage states and retention time of ~4.5 × 104 s.

    • Du Xiang
    • , Tao Liu
    •  & Wei Chen

  • Article |

    Conventional flash memory devices are voltage driven and found to be unsafe for confidential data storage. Here, the authors propose a light driven, rewritable photonic flash memory device based on upconversion nanocrystals with a high ON/OFF ratio and long retention time.

    • Ye Zhou
    • , Su-Ting Han
    •  & V.A.L. Roy

  • Article |

    Smart luminescent materials have many potential applications. Here, the authors synthesize a series of responsive iridium complexes, with tunable emission colours, and use their mechano-, vapo- and electrochromic phosphorescence properties to construct a proof of concept data recording device.

    • Huibin Sun
    • , Shujuan Liu
    •  & Wei Huang

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