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Published on: October 13, 2017
Quantum Optical Signature of Plasmonically Coupled Nanocrystal Quantum Dots
Feng Wang1, Niladri S Karan1, Hue Minh Nguyen1
1Center for Integrated Nanotechnologies, Materials Physics & Applications Division, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA.
Abstract:
Small clusters of two to three silica-coated nanocrystals coupled to plasmonic gap-bar antennas can exhibit photon antibunching, a characteristic of single quantum emitters. Through a detailed analysis of their photoluminescence emissions characteristics, it is shown that the observed photon antibunching is the evidence of coupled quantum dot formation resulting from the plasmonic enhancement of dipole-dipole interaction.
