Photon antibunching in the emission from a single organic dye nanocrystal

被引：22

作者：

Masuo, Sadahiro ^{[1
]}

Masuhara, Akito

Akashi, Takeaki

Muranushi, Mai

Machida, Shinjiro

Kasai, Hitoshi

Nakanishi, Hachiro

Oikawa, Hidetoshi

Itaya, Akira

机构：

[1] Kyoto Inst Technol, Dept Macromol Sci & Engn, Sakyo Ku, Kyoto 6068585, Japan

[2] Japan Sci & Technol Agcy JST, PRESTO, Kawaguchi, Saitama 3320012, Japan

[3] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Aoba Ku, Sendai, Miyagi 9808577, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 2007年 / 46卷 / 12-16期

关键词：

nanocrystal; single-photon source; photon antibunching; quantum cryptography; photon correlation measurement; coincidence measurement; emission; perylenebisimide; molecular assembly;

D O I：

10.1143/JJAP.46.L268

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We demonstrated that the emission from a single organic nanocrystal consisting of organic dye molecules shows photon antibunching. That is, an assembling structure consisting of many chromophores can also be made to behave as a single-photon source by controlling the size. We found that most of single nanocrystals within a size range from 35 to 85 nm show photon antibunching even when more than one exciton in a crystal is generated by an intense single excitation pulse. On the other hand, single micrometer-sized crystals showed no antibunching. The present results indicate that molecular assemblies can also be considered as candidates for new single-photon sources.

引用

页码：L268 / L270

页数：3

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