Brightness and purity of a room-temperature single-photon source in the blue-green range

被引：1

作者：

Granger, Francis ^{[1
,2
]}

Gosain, Saransh Raj ^{[1
]}

Nogues, Gilles ^{[2
]}

Bellet-Amalric, Edith ^{[1
]}

Cibert, Joel ^{[2
]}

Ferrand, David ^{[2
]}

Kheng, Kuntheak ^{[1
]}

机构：

[1] Univ Grenoble Alpes, CEA, Grenoble INP, IRIG,PHELIQS,NPSC, F-38000 Grenoble, France

[2] Univ Grenoble Alpes, CNRS, Inst NEEL, F-38042 Grenoble, France

来源：

OPTICS LETTERS | 2023年 / 48卷 / 15期

关键词：

QUANTUM-DOT; NANOWIRE; STATE;

D O I：

10.1364/OL.492039

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We discuss a promising solid-state system that emits sin-gle photons at room temperature in the blue-green range, making it an attractive candidate for quantum communi-cations in free space and underwater. The active element is a core-shell ZnSe tapered nanowire embedding a single CdSe quantum dot grown by molecular beam epitaxy. A pat-terned substrate enables a comprehensive study of a single nanowire using various methods. Our source shows poten-tial for achieving a total brightness of 0.17 photon per pulse and anti-bunching with g(2)(0) < 0.3 within a restricted spec-tral window. Additionally, we analyze the impact of charged excitons on the g(2)(0) value in different spectral ranges.& COPY; 2023 Optica Publishing Group

引用

页码：3833 / 3836

页数：4

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