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相关概念视频

Switching of BJT01:22

Switching of BJT

Switching behavior in Bipolar Junction Transistors (BJTs) is a fundamental aspect utilized in various electronic circuits, particularly for digital logic applications like switches and amplifiers. In a typical switching circuit, a BJT alternates between cut-off and saturation modes, corresponding to the "off" and "on" states, respectively, thus behaving like an ideal switch.
Cut-off Mode ("Off" State): In this state, both the emitter-base and collector-base junctions are reverse-biased. The...
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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基于Sb2Se3加载的三模式干扰的非挥发性光学开关.

Xinxin Zhao, Xiaolong Liu, Yujiao Tao

    Optics letters
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    概括
    此摘要是机器生成的。

    我们开发了一种新型的非挥发性光学交换机,在波导中使用化 (Sb2Se3). 该设备可为先进的光子处理器和光学场可编程门阵列提供高效的光路由.

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    科学领域:

    • 光学和光学工程的光学和光学工程.
    • 材料科学用于光电子学.
    • 不易挥发的光子设备.

    背景情况:

    • 多模干扰 (MMI) 合器对于光学开关至关重要.
    • 控制MMI设备中的相位转移是有效的光路由的关键.
    • 非挥发性材料为可重新配置的光子电路提供了潜力.

    研究的目的:

    • 提出并演示一种非易失性光学交换机.
    • 在Sb2Se3装载波导中利用多模干扰进行光学切换.
    • 为了实现低损耗和紧的光学开关与可重新配置的光路由.

    主要方法:

    • 制造一个装有Sb2Se3的波导.
    • 在MMI合器中实施低损相位控制.
    • 在无形和晶体状态下光学开关性能的表征.

    主要成果:

    • 演示了长度为35微米的紧光学开关.
    • 实现了~1.5dB的低插入损失.
    • 在35纳米带宽上显示的最小交叉声低于-6dB.

    结论:

    • 装有Sb2Se3的波导开关提供了高效的,非挥发性光路由.
    • 在Sb2Se3中的相位过渡使可重新配置的光信号路径成为可能.
    • 这项技术为光学场可编程门阵列和高密度光子处理器铺平了道路.