G. Verschaffelt et al., Polarization stabilization in vertical-cavity surface-emitting lasers through asymmetric current injection, IEEE PHOTON, 12(8), 2000, pp. 945-947
We present experimental evidence that asymmetric current injection in intra
cavity contacted vertical-cavity surface-emitting lasers (VCSELs) stabilize
s the polarization of the emitted light. Anisotropies in the gain and loss
mechanisms introduced by asymmetric current injection are considered to exp
lain this effect. This design scheme opens perspectives to obtain actual po
larization control in VCSELs.