Atomistic defects as single-photon emitters in atomically thin MoS2 | Zendy

Katja Barthelmi | Zendy; Julian Klein | Zendy; Alexander Hötger | Zendy; Lukas Sigl | Zendy; Florian Sigger | Zendy; Elmar Mitterreiter | Zendy; Sergio Rey | Zendy; Samuel Gyger | Zendy; Michael Lorke | Zendy; Matthias Florian | Zendy; F. Jahnke | Zendy; Takashi Taniguchi | Zendy; Kenji Watanabe | Zendy; V. Zwiller | Zendy; Klaus D. Jöns | Zendy; Ursula Wurstbauer | Zendy; Christoph Kastl | Zendy; Alexander WeberBargioni | Zendy; Jonathan J. Finley | Zendy; Kai Müller | Zendy; Alexander W. Holleitner | Zendy

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Atomistic defects as single-photon emitters in atomically thin MoS2

Author(s) -

Katja Barthelmi,

Julian Klein,

Alexander Hötger,

Lukas Sigl,

Florian Sigger,

Elmar Mitterreiter,

Sergio Rey,

Samuel Gyger,

Michael Lorke,

Matthias Florian,

F. Jahnke,

Takashi Taniguchi,

Kenji Watanabe,

V. Zwiller,

Klaus D. Jöns,

Ursula Wurstbauer,

Christoph Kastl,

Alexander WeberBargioni,

Jonathan J. Finley,

Kai Müller,

Alexander W. Holleitner

Publication year - 2020

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/5.0018557

Subject(s) - microsecond , materials science , photonics , photon , optoelectronics , nanometre , monolayer , quantum dot , nanotechnology , physics , optics , composite material

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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