Robust silicon 3-dB coupler using inverse engineering based optimization

Hung Ching Chung, Shuo Yen Tseng

研究成果: Article同行評審

5 引文 斯高帕斯(Scopus)

摘要

We propose a scheme to optimize the adiabaticity of silicon 3-dB couplers for broadband operation and good fabrication tolerance. We use the invariant based inverse engineering to optimize the system evolution to be as as adiabatic as possible while ensuring that the resulting device parameters are smooth. Using the inverse engineering based optimization, a 125 µm long silicon 3-dB coupler with a maximum imbalance of 0.8 dB from 1.4 to 1.7 µm and good fabrication tolerance is obtained. The optimized waveguide widths and separation are smooth.

原文English
文章編號08PC01
期刊Japanese Journal of Applied Physics
57
發行號8
DOIs
出版狀態Published - 2018 八月

All Science Journal Classification (ASJC) codes

  • 工程 (全部)
  • 物理與天文學 (全部)

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