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
收藏
页码：3833 / 3836
页数：4
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