We have numerically demonstrated the significant impacts on the resonance mode characteristics of subwavelength grating structures due to tapered sidewall profile and high aspect ratio, which is normally obtained from CMOS-compatible nanoelectronic fabrication processes.
Wenxi YuDong WuXiaofeng DuanYa Yi
Jau-Kun KuoWen-Chung ChangKao-Feng YarnWei‐Ching Chuang