Dresden 2017 – wissenschaftliches Programm

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SYLM: Symposium Optics and Light-Matter Interaction with Excitons in 2D Materials

SYLM 1: Optics and Light-Matter Interaction with Excitons in 2D Materials (SYLM)

SYLM 1.6: Hauptvortrag

Donnerstag, 23. März 2017, 18:00–18:30, HSZ 02

Strain-induced single-photon emitters in layered semiconductors — •Rudolf Bratschitsch — Westfälische Wilhelms-Universität Münster, Münster, Deutschland

Single-photon sources are important building blocks for quantum information technology. Emitters based on solid-state systems provide a viable route for their integration in photonic devices. Recently, we have found single-photon emitters in the atomically thin semiconductor WSe2 [1]. We show that the quantum light sources are strain-induced and demonstrate deterministic positioning of the emitters on the nanoscale [2]. Finally, we present single-photon emission from the layered semiconductor GaSe and provide evidence that the incorporated non-classical light sources are also strain-induced [3].

[1] P. Tonndorf et al., Optica 2, 347 (2015)

[2] J. Kern et al., Advanced Materials 28, 7101 (2016)

[3] P. Tonndorf et al., 2D Materials (2016)