Spin-flip quenching in trion state mediated by optical phonons in a single quantum dot

Kumano, H.; Ekuni, S.; Kobayashi, H. et al.

Physica Status Solidi B Basic Research, 2009, 246(4), 775-778

Permalink : https://hdl.handle.net/2115/45359

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アクセス権
open access
URI
https://hdl.handle.net/2115/45359
タイトル
Spin-flip quenching in trion state mediated by optical phonons in a single quantum dot
著者
Kumano, H. ; Ekuni, S. ; Kobayashi, H. ; Sasakura, H. ; Suemune, I. ; Adachi, S. ; Muto, S.
著者名
Kumano, H.
著者名
Ekuni, S.
著者名
Kobayashi, H.
著者名
Sasakura, H.
e-Rad_Researcher
00112178
著者名
Suemune, I.
著者名
Adachi, S.
著者名
Muto, S.
言語
英語
キーワード
71.35.Pq
72.25.Fe
72.25.Rb
78.67.Hc
発行日
2009-04
出版者
Wiley-Blackwell
収録物名
Physica Status Solidi B Basic Research
巻(号)
246(4)
ページ
775-778
抄録
High degree of preservation of spin states mediated by optical phonons is demonstrated with a positive trion state in a single quantum dot. At the optical phonon resonance, suppression of spin relaxation is clearly identified as dip structures in photoluminescence excitation spectra under cross-circularly polarize detection with respect to a pumping. As a result, distinguishably high degree of circular polarization up to ∼0.85 is achieved in the absence of external magnetic field, which is not the case for neutral excitons with finite fine structure splitting. The absence of continuum states plays a crucial role for this observation. (© 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
資源タイプ
学術雑誌論文
出版タイプ
Submitted Manuscript Under Review
権利情報
This is the pre-peer reviewed version of the following article: physica status solidi (b)Volume 246, Issue 4, pages 775–778, April 2009, which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1002/pssb.200880619/abstract.
PISSN
0370-1972
EISSN
1521-3951
関連情報 (isVersionOf)
出版社版DOI
https://doi.org/10.1002/pssb.200880619