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On the Emission Pattern of Nanoscopic Emitters in Planar Anisotropic Matrix and Nanoantenna Structures

Abstract

Single nanoscopic emitters embedded in crystalline matrix have become a valuable resource for emerging nanophotonic and quantum technologies. The generally anisotropic nature of the matrix strongly affects the emission properties of the quantum emitters, in particular, when the matrix is assembled in nanophotonic structures. We report on rigorous analysis and engineering of spontaneous emission from single emitters coupled to nanoantenna and planar anisotropic antenna structures. By developing a convenient theoretical method with efficient numerical implementation, we show that accurate modeling of the anisotropy is essential in predicting the emission pattern for many important systems, such as single molecules in solid-state matrix, isolated defects in 2D materials and so on. In particular, we illustrate the amplified effects of material anisotropy and geometrical anisotropy for emitters coupled to planar antenna and nanoantenna structures. We show that with proper design of the anisotropies strong enhancement of the emission rate and nearly collimated beam from single emitters can be simultaneously achieved.

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Supplementary files

Publication details

The article was received on 08 Jan 2019, accepted on 09 May 2019 and first published on 09 May 2019


Article type: Paper
DOI: 10.1039/C9NR00235A
Nanoscale, 2019, Accepted Manuscript

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    On the Emission Pattern of Nanoscopic Emitters in Planar Anisotropic Matrix and Nanoantenna Structures

    P. Zhang, P. Ren and X. Chen, Nanoscale, 2019, Accepted Manuscript , DOI: 10.1039/C9NR00235A

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