Carrier-transfer dynamics between neutral and charged excitonic states in a single quantum dot probed with second-order photon correlation measurements

Nakajima, H.; Kumano, H.; Iijima, H.; Odashima, S.; Suemune, I.

doi:10.1103/PhysRevB.88.045324


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Carrier-transfer dynamics between neutral and charged excitonic states in a single quantum dot probed with second-order photon correlation measurements

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/59634

Title:	Carrier-transfer dynamics between neutral and charged excitonic states in a single quantum dot probed with second-order photon correlation measurements
Authors:	Nakajima, H. Browse this author
	Kumano, H. Browse this author →KAKEN DB
	Iijima, H. Browse this author
	Odashima, S. Browse this author
	Suemune, I. Browse this author →KAKEN DB
Issue Date:	31-Jul-2013
Publisher:	American Physical Society
Journal Title:	Physical Review B
Volume:	88
Issue:	4
Start Page:	045324-1
End Page:	045324-6
Publisher DOI:	10.1103/PhysRevB.88.045324
Abstract:	We report a comprehensive investigation of carrier-transfer dynamics in a single InAs quantum dot (QD) based on second-order photon correlation measurements. The experimentally obtained auto and crosscorrelation functions as well as photoluminescence intensities are successfully explained on the basis of a series of rate equations with common excitation and also single-carrier-capture/escape rates to/from a QD. This approach enables us to understand the carrier-transfer dynamics responsible for the stability of a quantum two-level system formed in a single QD under various excitation conditions. We clarify that the transition between neutral and charged excitonic states is suppressed by one order of magnitude under quasiresonant excitation.
Rights:	©2013 American Physical Society
Type:	article
URI:	http://hdl.handle.net/2115/59634
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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