通过曲超级细胞模拟,优化光子晶体微环共振器 (PhC-MRRs)
Optics express
|August 13, 2025
概括
我们开发了一种新的六角光子晶体微环共振器 (PhC-MRR) 设计,采用优化的超级细胞结构. 这种设计可以实现在芯片上应用的高Q,纯引导腔共振.
科学领域:
- 光子学 是一个光子学.
- 纳米技术纳米技术
- 光学工程是指光学工程.
背景情况:
- 光子晶体微环共振器 (PhC-MRR) 为芯片上的光子集成电路提供紧的高Q腔.
- 与传统的基于波导的微环共振器相比,设计PhC-MRR面临模式匹配和共振分析方面的挑战.
研究的目的:
- 提出和分析一种新的PhC-MRR设计,克服传统的设计障碍.
- 为了实现高Q,纯指导腔共振与可预测的自由光谱范围.
主要方法:
- 利用扩展超级细胞方法,结合直线和曲结构,优化角落以满足周期性要求.
- 设计了一个六角形的PhC-MRR,具有特定的格子常量 (a=364nm),填充因子 (f0=0.33),半径 (13a) 和合间隙 (g=3a).
主要成果:
- 优化后的PhC-MRR结构显示出一个传输频谱,其中有六个均等间隔的高Q纯指导腔共振.
- 从1500nm到1600nm的宽带宽度实现了18nm的自由光谱范围 (FSR).
结论:
- 拟议的扩展超细胞方法有效地解决了PhC-MRRs中模式匹配和共振分析的挑战.
- 开发的六角形PhC-MRR设计为需要稳定,高Q共振的先进芯片上光子应用提供了一个有前途的平台.
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