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相关概念视频

MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

246
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...
246

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单立体化电光调制器,通过光学辅助抛光启用.

Christian Lafforgue1, Boris Zabelich1,2, Camille-Sophie Brès1

  • 1Ecole Polytechnique Fédérale de Lausanne, Photonic Systems Laboratory (PHOSL), CH-1015 Lausanne, Switzerland.

Communications physics
|April 11, 2025
PubMed
概括

化通过光学辅助抛光显示电光学 (EO) 调制,绕过高温. 这使得集成光信号处理的紧型芯片内EO调制器成为可能.

科学领域:

  • 光子学和材料科学 材料科学
  • 集成光学 集成光学 集成光学

背景情况:

  • 化是芯片集成光子学的一个有前途的材料.
  • 在化中实现线性电光 (EO) 效果是具有挑战性的,因为它的内在特性.
  • 最近的工作表明,在高电场下的电荷载体移位可以诱导线性EO效应.

研究的目的:

  • 开发一种低温方法,使化中的线性电光调制成为可能.
  • 为了演示化微波振器的光学辅助抛光.
  • 为了描述由此产生的化EO调节器的性能.

主要方法:

  • 在室温下对化微振振振器进行光学辅助抛光.
  • 优化光学抛光过程以诱导二次非线性.
  • 测量有效的第二阶非线性和高速EO响应.

主要成果:

  • 成功实施光学辅助抛光,避免高温加工.
  • 实验实现了1.218 pm/V.的长期有效的第二阶非线性.
  • 展示了一种具有4GHz带宽的高速EO调制器.

结论:

  • 光学辅助抛光是一种有效的技术,可以在化中实现线性EO调制.
关键词:
集成光学 集成光学非线性光学是一种非线性光学.光电子设备和组件的组件.

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  • 这种方法使得能够开发出紧的,单质的化EO调节器.
  • 结果为先进的集成光学信号处理铺平了道路.