Journal
APPLIED PHYSICS LETTERS
Volume 117, Issue 7, Pages -Publisher
AIP Publishing
DOI: 10.1063/5.0018557
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Funding
- Deutsche Forschungsgemeinschaft (DFG) via the Munich Center for Quantum Science and Technology [(MCQST)-EXC-2111-390814868]
- European Union's Horizon 2020 research and innovation programme [820423]
- German Federal Ministry of Education and Research via the program Photonics Research Germany [13N14846]
- Bavarian Academy of Sciences and Humanities
- Alexander von Humboldt Foundation
- Goran Gustafsson Foundation (SweTeQ)
- Deutsche Forschungsgemeinschaft (DFG) [RTG 2247]
- Elemental Strategy Initiative by the MEXT, Japan [JPMXP0112101001]
- JSPS KAKENHI [JP20H00354]
- CREST, JST [JPMJCR15F3]
- Deutsche Forschungsgemeinschaft (DFG) via e-conversion-EXC [2089/1-390776260]
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Precisely positioned and scalable single-photon emitters (SPEs) are highly desirable for applications in quantum technology. This Perspective discusses single-photon-emitting atomistic defects in monolayers of MoS2 that can be generated by focused He-ion irradiation with few nanometers positioning accuracy. We present the optical properties of the emitters and the possibilities to implement them into photonic and optoelectronic devices. We showcase the advantages of the presented emitters with respect to atomistic positioning, scalability, long (microsecond) lifetime, and a homogeneous emission energy within ensembles of the emitters. Moreover, we demonstrate that the emitters are stable in energy on a timescale exceeding several weeks and that temperature cycling narrows the ensembles' emission energy distribution.
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