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Strongly suppressed multi-photon generation from a single quantum dot in a metal-embedded structure

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/45366

Title: Strongly suppressed multi-photon generation from a single quantum dot in a metal-embedded structure
Authors: Nakajima, Hideaki Browse this author
Ekuni, Shingo Browse this author
Kumano, Hidekazu Browse this author →KAKEN DB
Idutsu, Yasuhiro Browse this author
Miyamura, Souta Browse this author
Kato, Daimotsu Browse this author
Ida, Sotaro Browse this author
Sasakura, Hirotaka Browse this author →KAKEN DB
Suemune, Ikuo Browse this author →KAKEN DB
Keywords: quantum dot
single photon
correlation function
photon extraction efficiency
Issue Date: Feb-2011
Publisher: Wiley-Blackwell
Journal Title: Physica Status Solidi C Conferences
Volume: 8
Issue: 2
Start Page: 337
End Page: 339
Publisher DOI: 10.1002/pssc.201000519
Abstract: We introduce a novel metal-embedded semiconductor pillar structure including quantum dots as highly efficient single-photon sources for quantum information applications. We have developed related processes for fabricating the proposed structure and have demonstrated strongly suppressed multi-photon generation and improved photon extraction efficiency. As a result, under non-resonant excitation, which is highly preferable for practical use, single-photon purity with g(2)(0) as low as 0.015 has been measured. The extremely small semiconductor volume of the metal embedded structure is a crucial factor for this observation. Moreover, single-photon generation from a single quantum dot at a rate of up to 6.4 million per second has been achieved. (© 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
Rights: This is the pre-peer reviewed version of the following article: physica status solidi (c)Volume 8, Issue 2, pages 337–339, February 2011, which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1002/pssc.201000519/abstract.
Type: article (author version)
URI: http://hdl.handle.net/2115/45366
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 末宗 幾夫

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