Designing an Ultra-Negative Dispersion Photonic Crystal Fiber with Square-Lattice Geometry

<table>Cross-section of the proposed/studied fiber. The air-hole diameter of the third air-hole ring is reduced to create the outer core, thereby creating the dual-core structure.</table>

International Scholarly Research Notices

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Figure 1

Figure 1: Designing an Ultra-Negative Dispersion Photonic Crystal Fiber with Square-Lattice Geometry 