Coherent Spectroscopy of Optically Gated Charged Single InGaAs Quantum Dots


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/5520

Title:	Coherent Spectroscopy of Optically Gated Charged Single InGaAs Quantum Dots
Authors:	Besombes, L. Browse this author
	Baumberg, J. J. Browse this author
	Motohisa, J.³ Browse this author →KAKEN DB
Authors(alt):	本久, 順一³
Issue Date:	27-Jun-2003
Publisher:	American Physical Society
Journal Title:	Physical Review Letters
Volume:	90
Issue:	25
Start Page:	257402
Publisher DOI:	10.1103/PhysRevLett.90.257402
Abstract:	The excited states of neutral and charged single InGaAs/GaAs quantum dots are studied using a confocal microspectroscopy technique. Because of their different Coulomb energy shifts, the charged and neutral states of the same quantum dot can be selectively excited. The charge of the quantum dot is controlled by a photo-depletion mechanism. Time-resolved coherent spectroscopy shows that the dephasing time of the excited states is longer when the quantum dot is charged. Rabi oscillation of the excited state of a singly charged quantum dot is demonstrated.
Rights:	Copyright © 2003 American Physical Society
Relation:	http://www.aps.org/
Type:	article
URI:	http://hdl.handle.net/2115/5520
Appears in Collections:	量子集積エレクトロニクス研究センター (Research Center for Integrated Quantum Electronics) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 本久順一

OAI-PMH ( junii2 , jpcoar_1.0 )

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