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Highly birefringent and dichroic photonic crystal VCSEL design |
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| Authors: | Maciej Dems Tomasz Czyszanowski Hugo Thienpont |
| Affiliation: | a Institute of Physics, Technical University of Lodz, ul. Wolczanska 219, 90-924 Lodz, Poland b Department of Applied Physics and Photonics, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium c Institute of Solid State Physics, 72 Tzarigradsko Chaussee Blvd., 1784 Sofia, Bulgaria |
| Abstract: | We analyse the possibility to stabilise the polarisation of light emitted by photonic crystal vertical-cavity surface-emitting lasers (PC-VCSELs). We consider two different photonic crystal configurations in a GaAs/AlGaAs VCSEL: with elliptical holes and with selectively enlarged holes and a small central hole. Very large birefringence (∼400 GHz) and dichroism (∼7%) are demonstrated for the second PC-VCSEL design. |
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