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Atomic monolayers of transition metal dichalcogenides represent an emergingmaterial platform for the implementation of ultra compact quantum lightemitters via strain engineering. In this framework, we discuss experimentalresults on creation of strain induced single photon sources using a WSe2monolayer on a silver substrate, coated with a very thin dielectric layer. Weidentify quantum emitters which are formed at various locations in the sample.The emission is highly linearly polarized, stable in linewidth and decay timesdown to 300 ps are observed. We provide numerical calculations of ourmonolayer-metal device platform to assess the strength of the radiative decayrate enhancement by the presence of the plasmonic structure. We believe, thatour results represent a crucial step towards the ultra-compact integration ofhigh performance single photon sources in nanoplasmonic devices and circuits.

Spontaneous emission enhancement in strain-induced WSe2 monolayer based quantum light sources on metallic surfaces