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Coupling effect of surface plasmon (SP) with InGaAs/GaAs QW emission is demonstrated experimentally. The SP resonance is generated by disordered arrays of Au nanodisks on the InGaAs/GaAs QW surface. More than twofold enhancement in QW PL is observed. Theoretical simulations also indicated that the disordered arrays of Au structures enlarged the cone angle for which light can be radiated out. The larger...
In this report, we present experimental results of transmittance through nanohole arrays created onto Au films on glass substrates. 110-nm-thick Au films with arrays of nanoholes were fabricated by using self-assembled polystyrene spheres, of which the diameters were reduced to designed values on site by dry etching, as a template. Transmission spectra of the nanostructured Au films show strong enhancement...
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