概括
这项研究引入了具有热调的波导光探测器,使得L频段检测成为可能. 该设备实现了高响应性和超过40GHz的带宽,证明了高效的光信号检测.
科学领域:
- 光子学和光电学和光电学.
- 半导体设备 半导体设备
- 集成光学 集成光学 集成光学
背景情况:
- (Ge) 光探测器对于光通信至关重要.
- 为了增加带宽,将检测扩展到L频段 (15651625nm) 是必不可少的.
- 在芯片上的热调节为波长管理提供了一个紧的解决方案.
研究的目的:
- 设计和制造一个波导 p-i-n 光探测器.
- 实现芯片内热调节,用于延长波长检测.
- 描述设备的性能,包括响应能力和带宽.
主要方法:
- 为了预测热效应,进行了理论模拟.
- 一个波导 p-i-n 光探测器被制造出来.
- 进行了实验测量,以评估从1525到1625nm的性能.
- 测量频率响应以确定带宽.
主要成果:
- 使用3V的热调整将检测范围扩展到L频段.
- 光探测器在1525至1625nm间有效运行.
- 在1625nm时,达到0.72A/W的最大响应率.
- 在 -3 V 测量时,超过 40 GHz 的 3 dB 带宽被测量为 -3 V.
- 更高的调电压增加了暗电流,但没有显著改善吸收.
结论:
- 带有芯片内热调的波导光探测器对L频段操作有效.
- 该设备提供了适合光通信系统的高响应性和带宽.
- 优化热调是平衡性能和暗电流的重要.
相关概念视频
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