Deterministic coupling of quantum emitters in WSe2 monolayers to plasmonic nanocavities
- Authors
- Iff, Oliver; Lundt, Nils; Betzold, Simon; Tripathi, Laxmi Narayan; Emmerling, Monika; Tongay, Sefaattin; Lee, Young Jin; Kwon, Soon-Hong; Hoefling, Sven; Schneider, Christian
- Issue Date
- Oct-2018
- Publisher
- OPTICAL SOC AMER
- Citation
- OPTICS EXPRESS, v.26, no.20, pp 25944 - 25951
- Pages
- 8
- Journal Title
- OPTICS EXPRESS
- Volume
- 26
- Number
- 20
- Start Page
- 25944
- End Page
- 25951
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/675
- DOI
- 10.1364/OE.26.025944
- ISSN
- 1094-4087
- Abstract
- We discuss coupling of site-selectively induced quantum emitters in exfoliated monolayers of WSe2 to plasmonic nanostructures. Gold nanorods of 20 nm-240 nm size, which are arranged in pitches of a few micrometers on a dielectric surface, act as seeds for the formation of quantum emitters in the atomically thin materials. We observe characteristic narrow-band emission signals from the monolayers, which correspond well with the positions of the metallic nanopillars with and without thin dielectric coating. Single photon emission from the emitters is confirmed by autocorrelation measurements, yielding g(2) (tau = 0) values as low as 0.17. Moreover, we observe a strong co-polarization of our single photon emitters with the frequency matched plasmonic resonances, as a consequence of light-matter coupling. Our work represents a significant step towards the scalable implementation of coupled quantum emitter-resonator systems for highly integrated quantum photonic and plasmonic applications. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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Collections - College of Natural Sciences > Department of Physics > 1. Journal Articles
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