2016/10/05 by Artur Branny, Santosh Kumar, Raphaël Proux +1 · 3 citations
Engineering · Materials Science · Physics and Astronomy · #2D Materials and Applications #Coherence (philosophical gambling strategy) #Common emitter #Materials science #Nanopillar #Nanostructure #Nanotechnology #Nanowire Synthesis and Applications #Optics #Optoelectronics #Photon #Photonic and Optical Devices #Photonics #Physics #Quantum #Quantum entanglement #Quantum mechanics #Quantum network #Quantum sensor #Semiconductor #cond-mat.mes-hall #quant-ph
paper · pdf · doi:10.1038/ncomms15053
10 pages including supplemental information, 9 figures
arxiv created 2016/10/05 · openalex publication_date 2017/05/22 · arxiv updated 2017/06/28 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
Abstract An outstanding challenge in quantum photonics is scalability, which requires positioning of single quantum emitters in a deterministic fashion. Site positioning progress has been made in established platforms including defects in diamond and self-assembled quantum dots, albeit often with compromised coherence and optical quality. The emergence of single quantum emitters in layered transition metal dichalcogenide semiconductors offers new opportunities to construct a scalable quantum architecture. Here, using nanoscale strain engineering, we deterministically achieve a two-dimensional lattice of quantum emitters in an atomically thin semiconductor. We create point-like strain perturbations in mono- and bi-layer WSe 2 which locally modify the band-gap, leading to efficient funnelling of excitons towards isolated strain-tuned quantum emitters that exhibit high-purity single photon emission. We achieve near unity emitter creation probability and a mean positioning accuracy of 120±32 nm, which may be improved with further optimization of the nanopillar dimensions.