概括
这项研究介绍了一种极化不敏感的波导交叉,其性能优化. 该设备在宽带宽上实现了低插入损失和交叉通话,非常适合集成光子学.
科学领域:
- 光子学 是一个光子学.
- 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:
- 光子学对于光通信至关重要.
- 波导交叉是光子集成电路中必不可少的组成部分.
- 在多模波导交叉路口中实现极化不敏感性和低损耗仍然是一个挑战.
研究的目的:
- 设计和实验验证一个极化不敏感的多模波导交叉.
- 为了优化设备的宽带宽,低插入损失 (IL) 和低交叉通话 (CT).
- 为了实现一个紧的设备足迹.
主要方法:
- 使用粒子群集优化 (PSO) 算法来调整设备参数.
- 用于电磁模拟的有限差时域 (FDTD) 方法.
- 制造的波导体交叉的实验性表征.
主要成果:
- 优化的设备具有11.92μm × 11.92μm的紧足迹.
- 在TE0和TE1模式 (1520-1600 nm) 中,实现了低于0.67 dB的插入损失和低于-28.6 dB的交叉通话.
- 在TM0模式 (IL < 0.48 dB,CT < -36.3 dB) 和TM1模式 (IL < 0.62 dB,CT < -28 dB) 中表现出卓越的性能.
结论:
- 开发的波导交道交叉显示出出色的极化不敏感性能.
- 该设备满足插入损失,交叉通话和带宽的关键指标.
- 这项工作有助于发展紧而高效的集成光子设备.
相关概念视频
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