Bright room temperature near-infrared single-photon emission from single point defects in the AlGaN film

Yingxian Xue, Feiliang Chen, Zhiyun Fang, Shiyu Zhang, Qian Li, Mo Li, Jianbin Kang, Jian Zhang, Si Shen, Botao Wu, E. Wu

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Near-infrared (NIR) single-photon source plays a key role in a wide range of applications in quantum technology. In particular, in quantum communication, the NIR wavelength operation perfectly matches the relatively low-attenuation transmission window of the optical fiber, which attracts more and more research interest. Here, we report the room temperature single-photon emission from single point defects in the aluminum gallium nitride (AlGaN) film. The obtained single-photon emission covers from 720 to 930 nm and exhibits highly linear polarization and high photon brightness. This may provide a platform for future integrated on-chip quantum photonic devices.

Original languageEnglish
Article number131103
JournalApplied Physics Letters
Volume118
Issue number13
DOIs
StatePublished - 29 Mar 2021

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