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The enhanced and partially polarized output of a green light-emitting diode, in which its InGaN/GaN quantum well couples with surface plasmons on an Ag grating structure, is demonstrated by comparing with the conventionally fabricated devices.
The transient behaviors of the dipole coupling with surface plasmons in an Ag/dielectric grating structure for understanding the characteristics of those dipole-coupling features are demonstrated. The major decay mechanisms of those coupling features are identified.
We observe the enhancement of photoluminescence excitation through the coupling of an InGaN/GaN quantum well (QW) with surface plasmons which are generated on an Ag nanostructure deposited on the SiN-coated QW epitaxial sample.
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