概括
这项研究呈现了高灭绝率的薄膜基酸马赫-泽恩德调制器. 这种新的设计实现了41dBER,这对于先进的光通信系统至关重要.
科学领域:
- 光子学和光学工程的工程.
- 材料科学 材料科学 材料科学
背景情况:
- 薄膜酸 (TFLN) 调制器对于下一代光通信至关重要.
- 实现高灭绝比 (ER) 对调制器性能至关重要.
研究的目的:
- 设计,制造和表征一个TFLN马赫-泽恩德调制器 (TFLN-MZM) 具有显著改进的灭绝比.
- 为了展示一个调制器设计,增强ER没有复杂的控制电路.
主要方法:
- 集成波导极化器,以提高极化灭绝比 (PER).
- 使用故意的输入-输出波导 misalignment. 使用故意的输入-输出波导失调.
- 使用马赫-泽恩德干扰仪 (MZI) 结构与1x2多模干扰仪 (MMI).
主要成果:
- 实现了41dB的高灭绝比 (ER).
- 对于集成波导极化器,证明极化灭绝比 (PER) 为38dB,过用于横向电 (TE) 模式.
- 测量了一半波电压 (Vπ) 为7.9V的3.3毫米调制臂长,产生电压长乘积为2.6V·cm.
结论:
- 开发的TFLN-MZM在没有额外的控制电路的情况下提供了更高的灭火率.
- 该调制器适用于各种应用,包括光通信,量子密钥分布,激光雷达和光纤分布式声学传感 (DAS).
相关概念视频
Bridge rectifier
The bridge rectifier is essential in electronics for efficiently converting alternating current (AC) to direct current (DC). Comprised of four diodes configured in a bridge layout, this rectifier effectively processes both the positive and negative halves of the AC waveform, making it superior to half-wave and full-wave center-tapped rectifiers in terms of voltage regulation and output stability.
Operationally, the bridge rectifier allows current flow through two of its diodes during each...
Operationally, the bridge rectifier allows current flow through two of its diodes during each...
Bioreactor Controls-I
Maintaining optimal conditions within fermenters is essential for maximizing microbial productivity and ensuring process efficiency. This lesson focuses on key parameters—temperature, foam, pH, carbon dioxide, oxygen, and pressure—and their precise measurement and control strategies in fermentation systems.Temperature ControlTemperature regulation is critical due to the exothermic nature of many fermentation processes. In small laboratory fermenters, temperature is commonly monitored using...


