Enhancing Eu3+ magnetic dipole emission by resonant plasmonic nanostructures
We demonstrate the enhancement of magnetic dipole spontaneous emission from Eu3?ions by an engineered plas-monic nanostructure that controls the electromagnetic environment of the emitter. Using an optical microscope setup, an enhancement in the intensity of the Eu3?magnetic dipole emission was observed for emitters located in close vicinity to a gold nanohole array designed to support plasmonic resonances overlapping with the emission spectrum of the ions.
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