Sub-Wavelength Surface Grating Application For High-Power Fundamental-Mode And Polarization Stabilization Of The Vcsels

A. Haglund,A. Larsson,P. Jedrasik,J. Gustavsson

ETFA 2005: 10th IEEE International Conference on Emerging Technologies and Factory Automation, Vol 1, Pts 1 and 2, Proceedings（2005）

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摘要

We present a monolithic technique for simultaneous mode and polarization control in oxide-confined VCSELs using a locally etched sub-wavelength surface grating. A single-jundamenta-lmode emission with an SMSR > 30 dB and an OPSR similar to 20 dB is achieved over the entire operational current range, with a maximum output power of 4.1 in mW.

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关键词

etching,vcsel,vertical cavity surface emitting laser,diffraction gratings,polarization

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