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Future quantum applications require non-classical light sources that emit indistinguishable photons on-demand with high efficiency and purity. A stringent requirement for industrial applications is that these sources are fabricated via simple and cost-effective methods and, at the same time, be compatible with current photonic integration technologies. The performance of solid-state quantum emitters and single photon sources has been significantly improved, owing to almost 20 years of extensive engineering efforts. However, bringing them out of research laboratories remains a grand challenge, mainly due to the difficulty of fulfilling the scalability requirement set by quantum technologies.
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We propose a novel approach to fabricate arrays of near-ideal single-photon sources. The sources will be realized starting from two-dimensional materials made of transition metal dichalcogenides (TMDs). Atomically thin TMDs can be easily produced, are cost-effective and, thanks to their inherently flexible nature, their optical properties can be seamlessly tuned. Furthermore, the emission from these materials may cover the wavelength region of interest for signal transmission through optical fibers. We will combine mechanics and electrochemistry to deform and shape two-dimensional membranes made of TMDs at the nanoscale and transform them into site-controlled single photon sources.
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