Enhanced Single Photon Emission from a Diamond-Silver Aperture
Abstract
We have developed a scalable method for coupling single color centers in diamond to plasmonic resonators and demonstrated Purcell enhancement of the single photon emission rate of nitrogen-vacancy (NV) centers. Our structures consist of single nitrogen-vacancy (NV) center-containing diamond nanoposts embedded in a thin silver film. We have utilized the strong plasmon resonances in the diamond-silver apertures to enhance the spontaneous emission of the enclosed dipole. The devices were realized by a combination of ion implantation and top-down nanofabrication techniques, which have enabled deterministic coupling between single NV centers and the plasmonic modes for multiple devices in parallel. The plasmon-enhanced NV centers exhibited over six-fold improvements in spontaneous emission rate in comparison to bare nanoposts and up to a factor of 3.6 in radiative lifetime reduction over bulk samples, with comparable increases in photon counts. The hybrid diamond-plasmon system presented here could provide a stable platform for the implementation of diamond-based quantum information processing and magnetometry schemes.
Cite
@article{arxiv.1105.4096,
title = {Enhanced Single Photon Emission from a Diamond-Silver Aperture},
author = {Jennifer T. Choy and Birgit J. M. Hausmann and Thomas M. Babinec and Irfan Bulu and Mughees Khan and Patrick Maletinsky and Amir Yacoby and Marko Lončar},
journal= {arXiv preprint arXiv:1105.4096},
year = {2015}
}
Comments
16 pages, 4 figures