Bright room temperature single photon source at telecom range in cubic silicon carbide

Junfeng Wang, Yu Zhou, Ziyu Wang, Abdullah Rasmita, Jianqun Yang, Xingji Li (), Hans Jürgen von Bardeleben () and Weibo Gao ()
Additional contact information
Junfeng Wang: Nanyang Technological University
Yu Zhou: Nanyang Technological University
Ziyu Wang: Nanyang Technological University
Abdullah Rasmita: Nanyang Technological University
Jianqun Yang: Harbin institute of Technology
Xingji Li: Harbin institute of Technology
Hans Jürgen von Bardeleben: UMR 7588 au CNRS 4 place Jussieu
Weibo Gao: Nanyang Technological University

Nature Communications, 2018, vol. 9, issue 1, 1-6

Abstract: Abstract Single-photon emitters (SPEs) play an important role in a number of quantum information tasks such as quantum key distributions. In these protocols, telecom wavelength photons are desired due to their low transmission loss in optical fibers. In this paper, we present a study of bright single-photon emitters in cubic silicon carbide (3C-SiC) emitting in the telecom range. We find that these emitters are photostable and bright at room temperature with a count rate of ~ MHz. Altogether with the fact that SiC is a growth and fabrication-friendly material, our result may be relevant for future applications in quantum communication technology.

Date: 2018
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DOI: 10.1038/s41467-018-06605-3

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