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Negative initial phase shift of Kerr rotation generated from the building-up process of resident electron spin polarization in a CdTe single quantum well

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/57749

Title: Negative initial phase shift of Kerr rotation generated from the building-up process of resident electron spin polarization in a CdTe single quantum well
Authors: Yan, L. -P. Browse this author
Kurosawa, M. Browse this author
Kaji, R. Browse this author
Karczewski, G. Browse this author
Takeyama, S. Browse this author
Adachi, S. Browse this author →KAKEN DB
Issue Date: 15-Nov-2014
Publisher: American Physical Society
Journal Title: Physical Review B
Volume: 90
Issue: 20
Publisher DOI: 10.1103/PhysRevB.90.205307
Abstract: Initial phase shift in a precessional motion of resident electron-spin polarization is studied in a CdTe /Cd0.85Mg0.15Te single quantum well using a time-resolved Kerr rotation technique. The generation dynamics of resident electron-spin polarization involve the formation and transformation of the associated optically excited states and are complicated particularly in the early time region. A careful analysis of the phase shift gives a deep understanding of the generation processes. In the experiments, the negative phase shift of the resident electron-spin polarization is observed, and the mechanism associated especially with a quick hole spin flip in negative trions is studied through the dependences on excitation power and magnetic field strength.
Rights: ©2014 American Physical Society
Type: article
URI: http://hdl.handle.net/2115/57749
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 足立 智

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