Optical spin manipulation of electrically pumped vertical-cavity surface-emitting lasers

S. Hovel, A. Bischoff, N.C. Gerhardt, M.R. Hofmann, T. Ackemann, A. Kroner, R. Michalzik

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We analyze the potential for the spin manipulation of vertical-cavity surface-emitting lasers (VCSELs) by operating them electrically and injecting additional spin-polarized carriers by polarized optical excitation. The output polarization of the VCSELs can be easily controlled by the spin orientation of the optically injected carriers when the injection current does not exceed the threshold current.
Original languageEnglish
Article number041118
JournalApplied Physics Letters
Issue number4
Publication statusPublished - 28 Jan 2008


  • charge injection
  • spin polarised transport
  • surface emitting lasers

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