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相关概念视频

Semiconductors01:22

Semiconductors

There is variation in the electrical conductivity of materials - metals, semiconductors, and insulators that are showcased with the help of the energy band diagrams.
Metals such as copper (Cu), zinc (Zn), or lead (Pb) have low resistivity and feature conduction bands that are either not fully occupied or overlap with the valence band, making a bandgap non-existent. This allows electrons in the highest energy levels of the valence band to easily transition to the conduction band upon gaining...
MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no current...

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相关实验视频

Updated: Jun 23, 2026

Quasi-light Storage for Optical Data Packets
07:45

Quasi-light Storage for Optical Data Packets

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3D集成的2 × 2 × 106.25 Gbps平行多模式发射器

Shihuan Ran, Yao Sun, Ting Miao

    Optics letters
    |May 1, 2025
    PubMed
    概括

    本研究介绍了一种新的3D集成发射器,用于模式分割复杂化 (MDM). 它使用两个多模纤维和多个模式 (TE0,TE1) 实现高速数据传输.

    科学领域:

    • 光学通信是指光学通信.
    • 综合光子学 综合光子学
    • 信号处理 信号处理

    背景情况:

    • 模式分割多重化 (MDM) 对于增加通信能力至关重要.
    • 现有的发射器在并行模式传输方面面临局限性.

    研究的目的:

    • 为增强数据复杂化提供3D集成并行多模发射器.
    • 为了证明 TE0 和 TE1 模式的同时传输.

    主要方法:

    • 开发一个3D集成的并行多模式发射器.
    • 使用两个多模纤维进行并行数据流.
    • 使用四级脉冲振幅调制 (PAM-4).

    主要成果:

    • 在TE0和TE1模式中成功传输.
    • 实现了每通道大约45GHz的电光 (EO) 带宽.
    • 证明了2x2x106.25 Gbps的总数据传输速率.

    结论:

    • 这种发射器可以通过MDM实现高容量的光通信.
    • 这项技术为并行多模式传输提供了显著的进步.

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    Last Updated: Jun 23, 2026

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  • 对于高速光学发射器,3D集成方法是有效的.