Stability and bifurcation analysis of spin-polarized vertical-cavity surface-emitting lasers
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DOI: 10.1103/physreva.96.013840
Abstract: A detailed stability and bifurcation analysis of spin-polarized vertical-cavity surface-emitting lasers (VCSELs) is presented. We consider both steady-state and dynamical regimes. In the case of steady-state operation, we carry out a small-signal (asymptotic) stability analysis… read more here.
Keywords: bifurcation analysis; stability bifurcation; spin; analysis spin ... See more keywords
Terahertz dielectric analysis and spin-phonon coupling in multiferroic GeV4S8
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DOI: 10.1103/physrevb.96.054432
Abstract: We present an investigation of the multiferroic lacunar spinel compound GeV$_4$S$_8$ using time-domain terahertz spectroscopy. We find three absorptions which either appear or shift at the antiferromagnetic transition temperature, T$_N = 17$ K, as S=1… read more here.
Keywords: spin phonon; dielectric analysis; temperature; terahertz dielectric ... See more keywords