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We propose a novel mirror-image nanoepsilon (MINE) structure to achieve highly localized and enhanced near field at its gap and systematically investigate its plasmonic behaviors. The MINE can be regarded as a combination of two fundamental plasmonic nanostructures: a nanorod dimer and nanoring. By adapting a nanoring surrounding a nanorod dimer structure, the nanorod is regarded as a bridge pulling...
A rod-dimer/ring (RDR) plasmonic nanostructure with different gap distances is investigated in both experiment and simulation. Compared to rod-dimer and ring, the localized near-field intensity of RDR can be significantly enhanced and further increased in smaller gap distance owing to stronger coupling effect.
Under the efficient and compact coupling from optical waveguide, the field highly enhanced and concentrated around gap of gold bowtie structure can trap nano-particle precisely with very strong optical forces compared with most nanophotonic tweezers.
We propose and investigate a novel hybrid plasmonic rod-dimer/ring (RDR) nanostructure with significantly enhanced near-field at the gap region for its potential on sensing and trapping applications.
A novel photonic crystal nano-fishbone is proposed, which confines ultrahigh Q (∼ 1.6×107) transverse magnetic mode with smaller mode volume, device size, surface area, and higher confinement factor than those in photonic crystal nanobeam.
We propose a square photonic crystal point-shifted nanocavity, which sustains an ultra-small lowest-order whispering-gallery mode. Lasing actions with low threshold of 160 μW and changed polarization due to a nearby nano-particle are observed.
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