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Discrimination of quantum dots using an optically created nuclear field

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Title: Discrimination of quantum dots using an optically created nuclear field
Authors: Sasakura, H. Browse this author
Kaji, R. Browse this author
Adachi, S. Browse this author
Muto, S. Browse this author
Issue Date: 2008
Publisher: American Institute of Physics
Journal Title: Applied Physics Letters
Volume: 92
Issue: 4
Start Page: 041915-1
End Page: 041915-3
Publisher DOI: 10.1063/1.2839615
Abstract: We investigated an optically created nuclear field in a single InAlAs quantum dot and demonstrated that the nuclear field can be used to discriminate whether photoluminescence lines originate from the same dot or a different dot. Since the nonlinear response of the nuclear field is sensitive to the electron g factor and correlation time of a coupled electron-nuclear spin system, the resultant Overhauser shift is their good measure for individual quantum dots. This method provides a simple and convenient alternative to the standard photon cross-correlation method.
Type: article
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: 笹倉 弘理

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