Polarization stabilization in vertical-cavity surface-emitting lasers through asymmetric current injection

Polarization stabilization in vertical-cavity surface-emitting lasers through asymmetric current injection

We present experimental evidence that asymmetric current injection in intracavity contacted vertical-cavity surface-emitting lasers (VCSELs) stabilizes the polarization of the emitted light. Anisotropies in the gain and loss mechanisms introduced by asymmetric current injection are considered to exp...

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Veröffentlicht in:IEEE photonics technology letters 2000-08, Vol.12 (8), p.945-947
Hauptverfasser: Verschaffelt, G., van der Vleuten, W., Creusen, M., Smalbrugge, E., van de Roer, T.G., Karouta, F., Strijbos, R.C., Danckaert, J., Veretennicoff, I., Ryvkin, B., Thienpont, H., Acket, G.A.
Format: Artikel
Sprache:eng
Schlagworte:
Anisotropic magnetoresistance
Asymmetry
Current injection
Distributed Bragg reflectors
Emittance
Gain
Gallium arsenide
Laser stability
Lighting control
Optical polarization
Photonics
Physics
Polarization
Stabilization
Surface emitting lasers
Vertical cavity surface emission lasers
Vertical cavity surface emitting lasers
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Zusammenfassung:We present experimental evidence that asymmetric current injection in intracavity contacted vertical-cavity surface-emitting lasers (VCSELs) stabilizes the polarization of the emitted light. Anisotropies in the gain and loss mechanisms introduced by asymmetric current injection are considered to explain this effect. The design scheme opens perspectives to obtain actual polarization control in VCSELs.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.867969