Target-Triggered Assembly of Nanogap Antennas to Enhance the Fluorescence of Single Molecules and Their Application in MicroRNA Detection.
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DOI: 10.1002/smll.202000460
Abstract: Nanogap antennas are plasmonic nanostructures with a strong electromagnetic field generated at the gap region of two neighboring particles owing to the coupling of the collective surface plasmon resonance. They have great potential for improving… read more here.
Keywords: detection; fluorescence; nanogap antennas; triggered assembly ... See more keywords
Critical coupling and extreme confinement in nanogap antennas.
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DOI: 10.1364/ol.44.004761
Abstract: Nanogap antennas are compelling structures for squeezing light into ultrasmall volumes. However, when gaps are shrunk to the nanometer scale, the mode losses dramatically increase. In this Letter, we report the conditions of critical coupling… read more here.
Keywords: critical coupling; mode; nanogap antennas; extreme confinement ... See more keywords