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Nat Commun. 2017 May 22;8:15053. doi: 10.1038/ncomms15053.

Deterministic strain-induced arrays of quantum emitters in a two-dimensional semiconductor.

Nature communications

Artur Branny, Santosh Kumar, Raphaƫl Proux, Brian D Gerardot

Affiliations

  1. Institute of Photonics and Quantum Sciences, SUPA, Heriot-Watt University, Edinburgh EH14 4AS, UK.

PMID: 28530219 PMCID: PMC5458118 DOI: 10.1038/ncomms15053

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

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