Abstract
This study demonstrates how a one-dimensional photonic crystal (1-DPC) made of indirect bandgap materials can be engineered with a highly sensitive reflectance dip-driven compactable bandgap. The identified photonic crystal (PC), which is usually built on silicon substrate contains two-cavity infiltrated with bio liquid for defect state calculations for its better achievements in chemical and biological detections. The analysis is based on a super amazing ab initio transfer matrix tool to collect the data of photonic bandgap (PBG) maps of multi-layered PC. The structural and optical parameters of the suggested PC are then examined and tuned for the wide and narrow PBG of several bulk crystalline combinations spanning the extended communication window to surpass recent sensors with increased sensitivity.
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