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    Research progress of optical signal processing with orbital angular momentum by Jun LIU, Jian WANG

    Published 2021-11-01
    “…Light beams carrying OAM (orbital angular momentum) exploit the transverse spatial distribution of photons and have helical phase front.In recent years, similar to the WDM (wavelength-division multiplexing) technology, OAM multiplexing technology has attracted widespread interest and made remarkable progress in high-speed and large-capacity optical signal transmission.It is worth noting that, optical signal processing is also the key technology of optical communication systems in addition to optical signal transmission.A complete OAM-based optical communication network system includes both OAM multiplexing transmission along network links and OAM signal processing at network nodes.The research progress of optical signal processing with OAM were reviewed, and different optical signal processing functions with OAM and the various OAM-based optical signal processing technologies in different application scenarios were comprehensively summarized.Meanwhile, the future development trend of optical signal processing with OAM was analyzed and its prospect was discussed.The optical signal processing technologies with OAM improve the OAM-based space-division multiplexing optical communication systems, which is expected to provide solutions for realizing efficient and flexible information management of OAM and addressing the new capacity crunch of optical communications.…”
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    Health, the new horizon for a desirable future by Laurence Bedeau

    Published 2025-01-01
    “…Quite the opposite! The prospect of living in better health is the number one driver for the acceptability, and even desirability, of ecological transformation.*. …”
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    IMPORT SUBSTITUTION: THE BOARDERS OF THE ENERGY SECURITY by N. N. Shvets

    Published 2016-02-01
    “…The article analyzes issues of import substitution in national production and determination of its effective scale considering the country's involvement to international division of labor and an important role of interstate cooperation in today's globalized world. …”
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    New Technology and Experimental Study on Snow-Melting Heated Pavement System in Tunnel Portal by Jinxing Lai, Junling Qiu, Jianxun Chen, Haobo Fan, Ke Wang

    Published 2015-01-01
    “…Therefore, such new technology, which offers new snow-melting methods for tunnel portal, bridge, mountainous area, and large longitudinal slope in cold region, has promising prospect for extensive application.…”
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    Research on Grid Scroll Chaotic Extended Sequence Algorithm and Its Circuit Implementation for F-OFDM System by Yingjie Ma, Ya Li, Geng Zhao, Ping Zeng, Yatao Yang

    Published 2019-01-01
    “…The proposed schemes have a broad application prospect in 5G multicarrier modulation technology.…”
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