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Enhanced Photon Extraction from a Quantum Dot Induced by a Silver Microcolumnar Photon Reflector

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Title: Enhanced Photon Extraction from a Quantum Dot Induced by a Silver Microcolumnar Photon Reflector
Authors: Kumano, Hidekazu Browse this author →KAKEN DB
Nakajima, Hideaki Browse this author
Iijima, Hitoshi Browse this author
Odashima, Satoru Browse this author
Matsuo, Yasuhiro Browse this author
Ijiro, Kuniharu Browse this author
Suemune, Ikuo Browse this author →KAKEN DB
Issue Date: Jun-2013
Publisher: Japan Society of Applied Physics
Journal Title: Applied Physics Express
Volume: 6
Issue: 6
Start Page: 062801-1
End Page: 062801-4
Publisher DOI: 10.7567/APEX.6.062801
Abstract: We have fabricated silver microcolumnar photon reflectors to enhance the photon extraction efficiency from a quantum dot. The mechanically robust planar structure is favorable to couple to optical fibers for stable and efficient single-photon sources. A high photon extraction efficiency of up to 18% is achieved. Furthermore, strong suppression of multiphoton generation is confirmed. The proposed structure is quite promising toward the implementation of practical quantum key distribution systems with dot-fiber-coupled photon sources.
Rights: © 2013 The Japan Society of Applied Physics
Type: article (author version)
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: 熊野 英和

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