Direct mapping of photoexcited local spins in a modulation-doped GaAs/AlGaAs wires

Jun Ishihara, Yuzo Ohno, Hideo Ohno

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We directly measured the spatiotemporal evolution of photoexcited local spins in wires made from a modulation-doped GaAs/AlGaAs quantum well by using a time- and spatially resolved Kerr microscopy. We observed the spatial pattern of spin-up and -down near the case of persistent spin helix (PSH) in [110] wires and the retention of the initial spin state in [110] wires which were designed such that the Dresselhaus and Rashba spin- orbit interaction are nearly equal to each other in magnitude.

Original languageEnglish
Article number04EM04
JournalJapanese journal of applied physics
Volume53
Issue number4 SPEC. ISSUE
DOIs
Publication statusPublished - 2014 Apr

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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