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Open Quantum Systems Decoherence Photonic Quantum Computing

Spontaneous emission and collection efficiency enhancement of single emitters in diamond via plasmonic cavities and gratings

arXiv
Authors: Jennifer T. Choy, Irfan Bulu, Birgit J. M. Hausmann, Erika Janitz, I-Chun Huang, Marko Lončar

Year

2013

Paper ID

33383

Status

Preprint

Abstract Read

~2 min

Abstract Words

97

Citations

N/A

Abstract

We demonstrate an approach, based on plasmonic apertures and gratings, to enhance the radiative decay rate of single NV centers in diamond, while simultaneously improving their collection efficiency. Our structures are based on metallic resonators formed by surrounding sub-wavelength diamond nanoposts with a silver film, which can enhance the spontaneous emission rate of an embedded NV center. However, the collection efficiency of emitted photons remains low due to losses to surface plasmons and reflections at the diamond-air interface. In this work, we mitigate photon losses into these channels by incorporating grating structures into the plasmonic cavity system.

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  • We demonstrate an approach, based on plasmonic apertures and gratings, to enhance the radiative decay rate of single NV centers in diamond, while simultaneously improving their...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1308.0522 [2] arXiv https://arxiv.org/abs/1308.0522 [3] Publisher https://arxiv.org/abs/1308.0522

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