概括
工程基板,而不仅仅是覆盖,是减少光子芯片中波导交叉声的关键. 不同类型的元材料基板有效抑制 evanescent 波,使宽带交叉通话减少更密集的整合.
科学领域:
- 光子学是指光子学的使用方法.
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
背景情况:
- 波导交叉声限制了光子芯片中的集成密度.
- 传统的方法主要集中在覆盖层工程,以抑制交叉通道.
研究的目的:
- 调查基板工程在缓解波导交叉声的作用.
- 通过使用元材料基板来展示一种用于抑制宽带交叉通话的新方法.
主要方法:
- 设计异构型的元材料基板.
- 在基板内模拟 evanescent 波压抑.
- 在合的条波导中分析交叉声波.
主要成果:
- 不同类型的元材料基板显著抑制基板合的 evanescent 波.
- 在1300-1637nm波长范围内,基本模式实现了低于-20dB的交叉声.
- 已被证明适用于曲波导和波导阵列.
结论:
- 基板工程对于有效的波导交叉声缓解至关重要.
- 超材料基板为宽带交叉通话抑制提供了一个可行的策略.
- 这种方法可以开发超紧的集成光子芯片.
相关概念视频
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01:21Boundary Conditions: Lossless Lines
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At the receiving end, the boundary condition states that the voltage equals the product of the receiving-end impedance and current. This relationship is expressed as a function of the incident and...