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Triggered single-photon emission and cross-correlation properties in InAlAs quantum dot

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Title: Triggered single-photon emission and cross-correlation properties in InAlAs quantum dot
Authors: Kumano, H. Browse this author →KAKEN DB
Kimura, Satoshi Browse this author
Endo, Michiaki Browse this author
Suemune, Ikuo Browse this author →KAKEN DB
Sasakura, Hirotaka Browse this author →KAKEN DB
Adachi, Satoru Browse this author →KAKEN DB
Muto, Shunichi Browse this author →KAKEN DB
Song, Hai Zhi Browse this author
Hirose, Shinichi Browse this author
Usuki, Tatsuya Browse this author
Keywords: Single photon emission
Quantum key distribution (QKD)
free-space communication
Issue Date: May-2006
Publisher: Elsevier
Journal Title: Physica E: Low-dimensional Systems and Nanostructures
Volume: 32
Issue: 1-2
Start Page: 144
End Page: 147
Publisher DOI: 10.1016/j.physe.2005.12.027
Abstract: Triggered single-photon generation from InAlAs quantum dot (QD) was demonstrated for the first time. Emitted photon energy coincides with high detection efficiency range of Si single-photon detectors, which is highly suitable for free-space communication. Single-QD spectroscopy and crossed photon correlation measurements unambiguously revealed that several emitting lines observed in a single mesa structure originated from the identical QD, and two temporary competing decay processes associated with neutral states and charged states were identified. Presence of the competing process is also inferred from an analysis of steady-state photoluminescence intensities. Formation process of charged exciton in QD is also discussed.
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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