Coupling a single solid-state quantum emitter to an array of resonant plasmonic antennas

Scientific Reports
Markus PfeifferKlas Lindfors

Abstract

Plasmon resonant arrays or meta-surfaces shape both the incoming optical field and the local density of states for emission processes. They provide large regions of enhanced emission from emitters and greater design flexibility than single nanoantennas. This makes them of great interest for engineering optical absorption and emission. Here we study the coupling of a single quantum emitter, a self-assembled semiconductor quantum dot, to a plasmonic meta-surface. We investigate the influence of the spectral properties of the nanoantennas and the position of the emitter in the unit cell of the structure. We observe a resonant enhancement due to emitter-array coupling in the far-field regime and find a clear difference from the interaction of an emitter with a single antenna.

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Citations

Aug 30, 2019·Nanoscale Horizons : the Home for Rapid Reports of Exceptional Significance in Nanoscience and Nanotechnolgy·Peng ZhengNianqiang Wu
Jan 24, 2019·ACS Applied Materials & Interfaces·Zhi-Jun ZhaoJun-Ho Jeong

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Methods Mentioned

BETA
electron beam lithography

Software Mentioned

Comsol Multiphysics

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