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MOS Capacitor01:25

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A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
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基于铜damascene工艺的高性能薄膜坦酸调节器.

Mengxin Lin1,2, Zihan Li1,2, Alexander Kotz3

  • 1Institute of Physics, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, Switzerland.

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概括

研究人员开发了一种可扩展的制造方法,用于使用铜大马士革工艺的薄膜坦酸调节器. 这种集成增强了与微电子的兼容性,提高了光通信系统的性能.

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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
  • 半导体制造业 半导体制造业

背景情况:

  • 电到光信号的转换对于光通信至关重要,需要与电子设备进行协同集成.
  • 薄膜坦酸盐 (TFLN) 是一个有前途的光电平台,但面临着与微电子工艺的整合挑战.

研究的目的:

  • 为TFLN调制器开发一种电子兼容的制造方法.
  • 为了提高基于TFLN的电光设备的性能和可扩展性.

主要方法:

  • 将铜大马士革工艺纳入TFLN调制器制造.
  • 微波损失,光学功率处理和电压稳定的表征.
  • 使用PAM4和PAM8调制的高速数据传输实验.

主要成果:

  • 铜大马士革工艺使可扩展的,电子兼容的TFLN调制器制造成为可能.
  • 与黄金电极设计相比,设备显示微波损耗~10%较低.
  • 实现了瓦特级光学功率处理和稳定的准静态半波电压 (1 Hz1 MHz).
  • 已证明的高速传输速率为416 Gbit/s (PAM4) 和540 Gbit/s (PAM8).

结论:

  • 铜大马士革工艺为TFLN电光调制器与微电子的可扩展集成提供了一个实用的途径.
  • 这一进步为下一代光通信系统的芯片上晶圆集成提供了便利.