Investigation of polarization behavior in a vertical-coupled-cavities surface-emitting laser

Vlad Badilita; Jean-Francois Carlin; Marc Ilegems; Marcel Brunner; Guy Verschaffelt; Krassimir P. Panajotov

doi:10.1117/12.470867

15 April 2003 Investigation of polarization behavior in a vertical-coupled-cavities surface-emitting laser

Vlad Badilita, Jean-Francois Carlin, Marc Ilegems, Marcel Brunner, Guy Verschaffelt, Krassimir P. Panajotov

Proceedings Volume 4942, VCSELs and Optical Interconnects; (2003) https://doi.org/10.1117/12.470867
Event: Photonics Fabrication Europe, 2002, Bruges, Belgium

Abstract

We report a novel three-contact coupled-vertical-cavity surface-emitting laser (VCSEL) for use in polarizaiton-sensitive optical applications. The device consists in two vertical cavities, coupled by a common semitransparent mirror. We demonstrate that one can independenlty choose both the power of the output beam - through the current in the first cavity - and the polarization state - through the bias aplied to the second cavity. The control of the polarization state is performed with a control of voltage required in the range-2V to 0V. Within this interval the structure exhibits a bistable behavior with respect to the bottom cavity bias. Several physical mechanisms to explain the polarization switch are discussed.

Citation Download Citation

Vlad Badilita, Jean-Francois Carlin, Marc Ilegems, Marcel Brunner, Guy Verschaffelt, and Krassimir P. Panajotov "Investigation of polarization behavior in a vertical-coupled-cavities surface-emitting laser", Proc. SPIE 4942, VCSELs and Optical Interconnects, (15 April 2003); https://doi.org/10.1117/12.470867

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