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Omnidirectional photonic band gap in polymer photonic crystal slabs
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View: Figures


Image of FIG. 1.
FIG. 1.

Band diagram of a triangular photonic crystal of air holes in a polymer slab waveguide suspended on an airlike mesoporous silica material . An omnidirectional PBG is visible for TE-like polarized modes (filled squares). The air and substrate light line are marked by solid and dashed lines, respectively. The arrows indicate the vacuum wavelengths at the edges of the complete band gap based on a lattice constant of .

Image of FIG. 2.
FIG. 2.

Scanning electron micrograph displaying the cleaved edge of a 2D polymer triangular photonic crystal made from a P(MMA∕DR1) core, with mesoporous silica as the substrate material (, ). Holes were etched into the core material, with a slight penetration of the substrate material.

Image of FIG. 3.
FIG. 3.

Simulated (lines) and experimental (dots) transmission spectra of a bulk 40 lattice constant triangular photonic crystal in a polymer slab waveguide. The simulated and experimental results are in excellent agreement. A suppression of represents the noise floor of the employed measurement apparatus. A band gap between 1170 and is clearly identifiable.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Omnidirectional photonic band gap in polymer photonic crystal slabs