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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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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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