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
概括
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.
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.
相关概念视频
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 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...
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 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


