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相关概念视频

MOSFET Amplifiers01:17

MOSFET Amplifiers

165
The MOSFET, when operating in its active region, functions as a voltage-controlled current source. In this region, the gate-to-source voltage controls the drain current. This principle underlies the operation of the transconductance MOSFET amplifier. The output current is directed through a load resistor to convert this amplifier into a voltage amplifier. The output voltage is then obtained by subtracting the voltage drop across the load resistance from the supply voltage. This process results...
165
MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

362
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...
362
Small-Signal Analysis of MOSFET Amplifiers01:23

Small-Signal Analysis of MOSFET Amplifiers

576
In small-signal analysis, a MOSFET transistor amplifier acts as a linear amplifier when operating in its saturation region. The gate-to-source voltage (VGS) of the MOSFET is the sum of the DC biasing voltage and the small time-varying input signal. This combination sets up the operating point and modulates the drain current (ID) that flows from the drain to the source. When a small AC signal is superimposed on the DC bias voltage at the gate, the instantaneous drain current comprises three...
576

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相关实验视频

Updated: Jul 12, 2025

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
11:08

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

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慢光调制器具有110GHz带宽.

Changhao Han1, Zhao Zheng1, Haowen Shu1,2,3

  • 1State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Electronics, Peking University, Beijing 100871, China.

Science advances
|October 20, 2023
PubMed
概括
此摘要是机器生成的。

研究人员开发了一种紧型调制器,实现了110千兆赫的带宽,克服了以前的限制. 这一突破为先进的光学互连和机器学习应用程序提供了112千兆比特/秒的操作.

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Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
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相关实验视频

Last Updated: Jul 12, 2025

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11:08

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

19.0K
20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
10:17

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Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
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科学领域:

  • 光子学是指光子学的使用方法.
  • 集成光学 集成光学 集成光学
  • 材料科学 材料科学 材料科学

背景情况:

  • 调节器对于将电光功能集成到设备中至关重要.
  • 目前的调制器面临带宽上限,阻碍了Tbps级吞吐量.
  • 克服这种带宽限制对于下一代光通信至关重要.

研究的目的:

  • 展示一种超越现有的带宽限制的新调制器设计.
  • 为了实现超高调制带宽,实现高通量数据传输.
  • 探索光学在苛刻应用中的潜力.

主要方法:

  • 使用级联波纹波导架构来诱导缓慢光效应.
  • 优化的调制器设计,以平衡效率,大小和带宽.
  • 制造并测试了一种紧的纯调制器.

主要成果:

  • 实现了创纪录的110千兆赫的带宽.
  • 演示了每秒112千兆比特的开启-关闭键操作.
  • 该调制器具有124微米的紧长度.

结论:

  • 能够提供110千兆赫兹带宽的调节器是可行的.
  • 波纹波导中的慢光效应是高带宽的关键.
  • 这项技术在光学互连和光子机器学习方面具有重大潜力.