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Enhanced extraction of molecular fluorescence as provided by photonic crystal slabs is studied. An enhanced extraction biosensor capable of boosting fluorescence output in the detection of the cytokine TNF-alpha by over 20x is demonstrated.
Two dimensional slab photonic crystal waveguides were designed and fabricated. Full photonic band gap, band gap guided mode, and mini-stop-bands were observed. Passive and active performances were investigated theoretically and experimentally.
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