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Updated: Jun 16, 2025

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Ti-扩散的KTN波导使得基于二次电光效应的强度调制成为可能.

Tao Wang, Yu Wang, Peng Tan

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    PubMed
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    研究人员使用坦酸 (KTN) 晶体开发了一种新的光学波导,展示了用于集成光学应用的高性能电光学调制器.

    科学领域:

    • 集成光学 集成光学 集成光学
    • 材料科学 材料科学 材料科学
    • 电光学是一种电光学.

    背景情况:

    • 光学波导对于将光限制在集成光学中至关重要.
    • 坦酸 (KTN) 晶体具有显著的二次电光效应,非常适合调制器.
    • 高效的电光调制器对于先进的光学设备至关重要.

    研究的目的:

    • 为了制造和描述一个新的光学波导,利用KTN的二次电光效应.
    • 开发一种基于KTN光学波导的强度调节器.
    • 为了评估基于KTN的调制器的性能.

    主要方法:

    • 通过离子扩散在KTN晶体中制造10微米宽的埋藏波导.
    • 使用共聚焦拉曼光谱学分析晶体结构变化.
    • 在1550 nm开发和测试一个单波导电强度调节器.

    主要成果:

    • 通过离子扩散成功制造KTN波导.
    • 描述离子扩散对KTN晶体结构的影响.
    • 一个强度调节器的演示,具有14.2dB的灭火比.
    • 调制函数的评估与和没有应用偏移电压.

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    结论:

    • 这项研究介绍了一种新的KTN光学波导,利用二次电光效应.
    • 成功开发了一种功能强度调节器,展示了有前途的性能.
    • 研究结果为设计高效的低驱动电压电光调制器提供了洞察力,用于集成光学.