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Browsing by Author "Yang, Chang-Fa"

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    A Low-Profile Dipole RFID Tag Antenna with Lateral Omni-Directional Radiation Properties for Cold-Chain Logistics Applications
    (2014-01-01)
    Chen, Keng-Hsien
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    Yen, Jui-Hsien
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    Tarng, Jenn-Hwan
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    Yang, Chang-Fa
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    傳播研究所
    In this paper, a low-profile dipole RFID tag antenna with a lateral omni-directional pattern is presented. The proposed low-profile antenna can be easily integrated into a size-limited RFID module. To achieve the lateral omni-directional pattern, two shorting pins are added in this antenna structure, which performs better in stacking environments. Therefore, the proposed antenna is suitable for cold-chain logistics applications.
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    Development of 400 Gb/s optical transceivers for SMF based datacenter optical interconnect
    (2018-01-01)
    Lee, San-Liang
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    Chen, Jyehong
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    Liu, Shen-Iuan
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    Yang, Chang-Fa
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    Tsao, Hen-Wai
    We reported the progress of developing 400-Gb/s optical transceivers with 1.3-mu m electro-absorption modulators for optical interconnect applications in data centers. The key technologies include high-speed light sources, silicon photonics based WDM multiplexers/de-multiplexers, driving and receiving circuits, signal processing and monitoring schemes.